Subtraction Word Problems in 1st Grade - Mathematics - Exercises with solutions

Master subtraction word problems: visual problem-solving strategies, key vocabulary, and step-by-step solutions through these 10 detailed exercises.

Solutions: Exercises 1 to 10
1 Taking away problems
Exercise 1
Sarah had 8 apples. She gave 3 apples to her friend. How many apples does Sarah have now?
Difficulty: Beginner Time: ~2 minutes Skills: Basic Subtraction
Definition:

Taking away: When we start with a number and remove some amount, we use subtraction to find what remains.

Note: This is the most basic subtraction concept for 1st graders. We identify the starting amount, the amount taken away, and find the remaining amount.

Step-by-step problem solving:
  1. Read the problem carefully and identify key numbers
  2. Find what we start with (total amount)
  3. Find what is taken away (subtracted amount)
  4. Subtract to find what remains
Starting Amount
8 apples
Taken Away
3 apples
Remaining
? apples
Step 1: Identify the starting amount

Sarah had 8 apples initially

Step 2: Identify what was taken away

She gave 3 apples to her friend

Step 3: Set up the subtraction sentence

8 - 3 = ?

Step 4: Solve the subtraction

Count backwards: 8, 7, 6, 5 (we count back 3 numbers)

8 - 3 = 5
Final answer:

Sarah has 5 apples now.

Applied rules:

• Problem identification: Look for keywords like "gave", "took", "left", "remaining"

• Subtraction setup: Starting amount - Taken away = Remaining amount

• Counting strategy: Use counting backwards or fingers to solve

• Practice Tip: Draw pictures to visualize the problem (draw 8 apples, cross out 3)

Related Examples:
  • I had 10 cookies, ate 4 cookies. How many are left? (10 - 4 = 6)
  • There were 7 birds, 2 flew away. How many birds remain? (7 - 2 = 5)
  • Tom had 9 pencils, lost 3 pencils. How many does he have? (9 - 3 = 6)
Quick Tips:
  • Look for action words that indicate subtraction: "gave", "took", "ate", "lost", "flew away"
  • Draw pictures or use fingers to visualize the problem
  • Always check if your answer makes sense (should be less than the starting amount)
Frequently Asked Questions:

Q: How do I know when to subtract in a word problem?
A: Look for words like "gave away", "took", "left", "remaining", "less than", or "how many more".

Q: What if the numbers are too big to count?
A: For 1st grade, focus on numbers 0-20. Use drawings, number lines, or manipulatives to help.

2 Finding differences
Exercise 2
Tom has 12 marbles and Jerry has 7 marbles. How many more marbles does Tom have than Jerry?
Difficulty: Intermediate Time: ~3 minutes Skills: Comparison Subtraction
Definition:

Finding differences: When we compare two quantities to see how much more or less one is than the other, we use subtraction.

Note: This type of problem asks for the difference between two amounts. We subtract the smaller number from the larger number.

Step-by-step problem solving:
  1. Identify both quantities being compared
  2. Determine which is larger and which is smaller
  3. Subtract the smaller amount from the larger amount
  4. State the answer in the context of the problem
Larger Amount
12 marbles
Smaller Amount
7 marbles
Difference
? marbles
Step 1: Identify both quantities

Tom has 12 marbles, Jerry has 7 marbles

Step 2: Determine which is larger

12 is larger than 7

Step 3: Set up the subtraction sentence

12 - 7 = ?

Step 4: Solve the subtraction

Count backwards from 12: 12, 11, 10, 9, 8, 7 (that's 5 numbers back)

12 - 7 = 5
Final answer:

Tom has 5 more marbles than Jerry.

Applied rules:

• Comparison setup: Larger amount - Smaller amount = Difference

• Keyword recognition: Words like "more than", "less than", "difference" signal comparison

• Problem solving: Always subtract the smaller number from the larger number

• Practice Tip: Use manipulatives to physically show the comparison (align objects side by side)

Related Examples:
  • Sara is 8 years old, Ben is 5 years old. How much older is Sara? (8 - 5 = 3)
  • Red car traveled 15 miles, blue car traveled 9 miles. How much farther did red car go? (15 - 9 = 6)
  • Book A has 20 pages, Book B has 12 pages. How many more pages does Book A have? (20 - 12 = 8)
Quick Tips:
  • Look for comparison words: "more than", "less than", "older", "younger", "farther", "difference"
  • Always subtract the smaller number from the larger number
  • Draw two groups and match them up to see the difference visually
Frequently Asked Questions:

Q: Does it matter which number I subtract from which?
A: Yes! Always subtract the smaller number from the larger number when finding differences.

Q: What if the problem says "how many fewer"?
A: Same as "how many less" - subtract the smaller from the larger. The difference is the same either way.

3 Comparing quantities
Exercise 3
There are 15 children in the playground. 9 of them are girls. How many are boys?
Difficulty: Intermediate Time: ~3 minutes Skills: Part-Whole Relationships
Definition:

Part-whole relationship: When we know the total and one part, we can find the other part by subtracting.

Note: This problem involves understanding that the total is made up of two parts. If we know one part, we can find the other by subtraction.

Step-by-step problem solving:
  1. Identify the total amount
  2. Identify one of the parts
  3. Set up subtraction: Total - Known part = Unknown part
  4. Solve and check the answer
Total Children
15 children
Girls
9 girls
Boys
? boys
Step 1: Identify the total

There are 15 children in total

Step 2: Identify one part

9 of them are girls

Step 3: Set up the subtraction sentence

Total - Girls = Boys

15 - 9 = ?

Step 4: Solve the subtraction

Count backwards from 15: 15, 14, 13, 12, 11, 10, 9 (that's 6 numbers back)

15 - 9 = 6
Final answer:

There are 6 boys in the playground.

Applied rules:

• Part-whole relationship: Total - Known part = Unknown part

• Problem identification: Look for problems with a total and one part given

• Logical reasoning: Understand that parts make up the whole

• Practice Tip: Use objects to represent the total and separate them into parts

Related Examples:
  • There are 12 flowers, 5 are red. How many are not red? (12 - 5 = 7)
  • 20 students in class, 11 brought lunch. How many didn't bring lunch? (20 - 11 = 9)
  • 18 toys in box, 7 are cars. How many are not cars? (18 - 7 = 11)
Quick Tips:
  • Look for problems with totals and parts: "total", "altogether", "in all", "part of"
  • Understand that the total minus one part equals the other part
  • Check your answer: Add the parts together to see if you get the total
Frequently Asked Questions:

Q: How do I know which number to subtract from which?
A: Subtract the known part from the total. The total is always the largest number in these problems.

Q: What if I have more than two parts?
A: Add all known parts together, then subtract from the total to find the unknown part.

Solutions: Exercises 4 to 5
4 Finding missing numbers
Exercise 4
I had some stickers. I gave 4 stickers to my friend. Now I have 6 stickers left. How many stickers did I have at first?
Definition:

Missing number problems: When we know the amount taken away and the amount remaining, we can find the original amount by adding.

Note: These problems are like subtraction in reverse. We use addition to solve them: Amount taken away + Amount remaining = Original amount.

Step-by-step problem solving:
  1. Identify what we know: amount taken away and amount remaining
  2. Recognize this is a missing number problem
  3. Use addition to find the original amount: taken away + remaining = original
  4. Verify the answer by checking with subtraction
Given Away
4 stickers
Remaining
6 stickers
Original
? stickers
Step 1: Identify known information

Given away = 4 stickers, Remaining = 6 stickers

Step 2: Set up the equation

Amount given away + Amount remaining = Original amount

4 + 6 = ?

Step 3: Solve the addition

4 + 6 = 10

Step 4: Verify with subtraction

Original - Given away = Remaining: 10 - 4 = 6 ✓

4 + 6 = 10
Final answer:

You had 10 stickers at first.

Applied rules:

• Missing number strategy: Original = Taken away + Remaining

• Reverse operation: Use addition to solve subtraction problems with missing start

• Verification: Always check by performing the original operation

• Practice Tip: Think "what number minus 4 gives me 6?" The answer is 10.

Related Examples:
  • I had some candies. Ate 3, now have 5 left. Started with? (3 + 5 = 8)
  • Some books on shelf. Took 2, 7 remain. Originally had? (2 + 7 = 9)
  • Some balloons popped. 6 burst, 4 left. Started with? (6 + 4 = 10)
Quick Tips:
  • Look for problems that say "now I have" or "left" with an unknown start
  • These problems require working backwards: add what was taken to what remains
  • Always verify by doing the original subtraction to check your answer
Frequently Asked Questions:

Q: Why do I add when the problem is about subtraction?
A: Because we're finding the starting amount, which requires the reverse operation. If 4 were taken from the original to get 6, then original = 4 + 6.

Q: How can I tell if it's a missing number problem?
A: Look for problems asking "how many did I have at first" or "started with" when you know what was taken and what's left.

5 Real life scenarios
Exercise 5
Mom bought 14 eggs. She used 5 eggs to make pancakes. How many eggs does she have left for the week?
Definition:

Real life scenarios: Word problems that connect subtraction to everyday situations like cooking, shopping, or sharing.

Note: These problems help students see the practical applications of subtraction in their daily lives and build problem-solving skills.

Step-by-step problem solving:
  1. Read the problem and identify the situation
  2. Find the starting amount (total)
  3. Find the amount that was used or taken
  4. Subtract to find what remains
Bought
14 eggs
Used
5 eggs
Left
? eggs
Step 1: Identify the starting amount

Mom bought 14 eggs initially

Step 2: Identify what was used

She used 5 eggs to make pancakes

Step 3: Set up the subtraction sentence

14 - 5 = ?

Step 4: Solve the subtraction

Count backwards from 14: 14, 13, 12, 11, 10, 9 (that's 5 numbers back)

Step 5: Answer in context

She has 9 eggs left for the week

14 - 5 = 9
Final answer:

Mom has 9 eggs left for the week.

Applied rules:

• Context understanding: Connect math to real-life situations

• Problem identification: Look for "used", "left", "remaining", "for later"

• Practical application: Show how subtraction helps manage resources

• Practice Tip: Relate problems to familiar activities like cooking, playing, or shopping

Related Examples:
  • Dad bought 20 apples, used 8 for pie. How many left for snacks? (20 - 8 = 12)
  • Teacher had 15 markers, gave 6 to students. How many for herself? (15 - 6 = 9)
  • Baker made 18 cupcakes, sold 11. How many to take home? (18 - 11 = 7)
Quick Tips:
  • Connect math to everyday activities to make it more meaningful
  • Use real objects like counters, coins, or food items to act out problems
  • Always answer in the context of the original problem
Frequently Asked Questions:

Q: Why are real life problems important?
A: They help students see the relevance of math and develop critical thinking skills for practical situations.

Q: What if I don't understand the situation in the problem?
A: Read it again slowly, draw a picture, or ask someone to explain the scenario. Understanding the story is key to solving the math.

Solutions: Exercises 6 to 10
6 Visual representations
Exercise 6
There were 11 flowers in the garden. 4 flowers were picked. Draw circles to show how many flowers are still in the garden.
Definition:

Visual representations: Using drawings, pictures, or manipulatives to model subtraction problems and make them concrete.

Note: Visual strategies help young learners understand the concept of taking away and seeing what remains. This builds a strong foundation for abstract thinking.

Step-by-step problem solving:
  1. Draw the starting amount (11 flowers)
  2. Cross out or circle the amount taken away (4 flowers)
  3. Count what remains to find the answer
  4. Write the subtraction sentence
Initial Flowers
● ● ● ● ● ● ● ● ● ● ●
Picked Flowers
● ● ● ● (crossed out)
Remaining Flowers
● ● ● ● ● ● ●
Step 1: Draw the starting amount

Draw 11 circles to represent the flowers: ● ● ● ● ● ● ● ● ● ● ●

Step 2: Show what was taken away

Cross out 4 circles to show the picked flowers: ● ● ● ● ● ● ● ● ● ● ●

Step 3: Count what remains

Count the uncrossed circles: 7 circles remain

Step 4: Write the subtraction sentence

11 - 4 = 7

11 - 4 = 7
Final answer:

There are 7 flowers still in the garden.

Applied rules:

• Concrete modeling: Use visual aids to make abstract concepts tangible

• Physical representation: Draw, cross out, or manipulate objects to show subtraction

• Counting verification: Count remaining items to confirm the answer

• Practice Tip: Use different visual tools: drawings, tally marks, dots, or physical objects

Related Examples:
  • Draw 8 stars, cross out 3. How many remain? (8 - 3 = 5)
  • Show 12 balls with dots, remove 5. How many left? (12 - 5 = 7)
  • Circle 15 apples, cross off 6. How many stay? (15 - 6 = 9)
Quick Tips:
  • Always draw or use objects to represent the starting amount first
  • Cross out or separate the amount being subtracted
  • Count the remaining items to find the answer
Frequently Asked Questions:

Q: Do I always need to draw pictures?
A: Not always, but drawing helps understand the concept. As you get better at subtraction, you might rely less on pictures.

Q: What if I run out of space to draw?
A: Use tally marks or dots instead of detailed drawings. The important thing is to represent the numbers visually.

7 Story problems
Exercise 7
At the pet store, there were 16 goldfish. On Monday, 9 goldfish were sold. On Tuesday, 3 more goldfish were sold. How many goldfish are left in the store?
Definition:

Story problems: Multi-step word problems that require sequential thinking and multiple operations to solve.

Note: These problems often involve multiple actions over time. Students must carefully follow the sequence of events to solve correctly.

Step-by-step problem solving:
  1. Read the entire problem to understand the sequence
  2. Identify the starting amount
  3. Subtract the first amount taken away
  4. Subtract the second amount taken away from the remaining amount
Starting Amount
16 goldfish
Monday Sales
-9 goldfish
Tuesday Sales
-3 goldfish
Final Amount
? goldfish
Step 1: Identify the starting amount

There were 16 goldfish at the beginning

Step 2: Subtract Monday's sales

16 - 9 = 7 goldfish remained after Monday

Step 3: Subtract Tuesday's sales

7 - 3 = 4 goldfish remained after Tuesday

Step 4: State the final answer

There are 4 goldfish left in the store

16 - 9 - 3 = 4
Final answer:

There are 4 goldfish left in the store.

Applied rules:

• Sequential thinking: Follow the order of events in the story

• Multi-step operations: Perform subtractions in sequence

• Tracking changes: Keep track of the remaining amount after each step

• Practice Tip: Use a number line or draw pictures for each step to visualize the changes

Related Examples:
  • Started with 18 cookies, ate 5 on Monday, 3 on Tuesday. Left? (18 - 5 - 3 = 10)
  • Had 20 balloons, gave away 7 to friends, then 4 popped. Remaining? (20 - 7 - 4 = 9)
  • Collected 25 seashells, gave 8 to sister, lost 5. Kept? (25 - 8 - 5 = 12)
Quick Tips:
  • Read the entire problem before starting to calculate
  • Keep track of the remaining amount after each action
  • Check if your answer makes sense in the context of the story
Frequently Asked Questions:

Q: How do I handle multiple subtractions?
A: Solve them one at a time in the order they happen. The result of the first subtraction becomes the starting point for the next.

Q: What if the problem has too much information?
A: Focus only on the numbers that affect the final answer. Ignore extra details that don't change the quantities.

8 Counting backwards
Exercise 8
Tim counted 13 cars in the parking lot. He watched 6 cars leave. How many cars are in the parking lot now? Count backwards to solve.
Definition:

Counting backwards: A mental strategy where you start with the larger number and count backward by the amount being subtracted.

Note: This strategy helps students visualize subtraction as moving backward on a number line and develops mental math skills.

Step-by-step problem solving:
  1. Start with the larger number (13)
  2. Count backward by the number being subtracted (6)
  3. Keep track of each number as you count back
  4. Record the final number reached
Starting Number
13
Count Back
6 steps
Final Number
7
Step 1: Start at the larger number

Begin counting backwards from 13

Step 2: Count backwards 6 numbers

13, 12, 11, 10, 9, 8, 7 (counted back 6 numbers)

Step 3: Identify the stopping point

We stopped at 7

Step 4: Write the subtraction sentence

13 - 6 = 7

13 - 6 = 7
Final answer:

There are 7 cars in the parking lot now.

Applied rules:

• Number line strategy: Move backward from the starting number

• Mental counting: Develop fluency by practicing counting backwards

• Strategy selection: Choose the most efficient method for each problem

• Practice Tip: Use fingers, number lines, or physical movement to help visualize counting backwards

Related Examples:
  • Start at 15, count back 4: 15, 14, 13, 12, 11 (15 - 4 = 11)
  • Start at 18, count back 7: 18, 17, 16, 15, 14, 13, 12, 11 (18 - 7 = 11)
  • Start at 12, count back 5: 12, 11, 10, 9, 8, 7 (12 - 5 = 7)
Quick Tips:
  • Start with the larger number and count backward by the smaller number
  • Use your fingers to help keep track of how many you've counted back
  • Practice counting backwards regularly to build mental math skills
Frequently Asked Questions:

Q: Is counting backwards the same as subtraction?
A: Yes! Counting backwards is one way to perform subtraction mentally. It's a strategy that helps visualize the operation.

Q: What if I lose track while counting backwards?
A: Use a number line, draw marks, or use your fingers to keep track of how many numbers you've counted back.

9 Multiple steps
Exercise 9
Maya collected 15 seashells at the beach. She gave 4 to her brother and 3 to her sister. How many seashells does Maya have left?
Definition:

Multiple steps: Problems that require more than one subtraction operation to reach the final answer.

Note: These problems require careful tracking of quantities as they change through multiple operations. Students must maintain the running total.

Step-by-step problem solving:
  1. Identify the starting amount
  2. Subtract the first amount given away
  3. Subtract the second amount given away from the remaining amount
  4. Check that the answer makes sense
Starting Amount
15 seashells
To Brother
-4 seashells
To Sister
-3 seashells
Final Amount
? seashells
Step 1: Identify the starting amount

Maya collected 15 seashells initially

Step 2: Subtract seashells given to brother

15 - 4 = 11 seashells remaining

Step 3: Subtract seashells given to sister

11 - 3 = 8 seashells remaining

Step 4: State the final answer

Maya has 8 seashells left

15 - 4 - 3 = 8
Final answer:

Maya has 8 seashells left.

Applied rules:

• Sequential operations: Perform subtractions in the order they occur

• Running total: Keep track of the remaining amount after each operation

• Problem decomposition: Break complex problems into simpler steps

• Practice Tip: Add all amounts given away (4 + 3 = 7) and subtract from the total (15 - 7 = 8)

Related Examples:
  • Started with 20 crayons, gave 5 to friend, 3 to cousin. Left? (20 - 5 - 3 = 12)
  • Had 18 cookies, ate 4, shared 6. Remaining? (18 - 4 - 6 = 8)
  • Collected 25 stickers, traded 8, lost 5. Kept? (25 - 8 - 5 = 12)
Quick Tips:
  • Add all the amounts being subtracted together first, then subtract from the total
  • Keep track of the running total after each subtraction
  • Check your work by adding all parts together to see if you get the original amount
Frequently Asked Questions:

Q: Can I subtract all the amounts at once?
A: Yes! Add the amounts being subtracted (4 + 3 = 7) then subtract from the total (15 - 7 = 8).

Q: What if I subtract in the wrong order?
A: The order doesn't matter when subtracting multiple amounts from the same total. You'll get the same answer.

10 Mixed scenarios
Exercise 10
In the library, there were 17 children reading. 5 children went home, and then 2 more children came to read. How many children are reading in the library now?
Definition:

Mixed scenarios: Problems that combine subtraction and addition operations in a real-world context.

Note: These problems require students to identify whether each action increases or decreases the quantity and apply the correct operation.

Step-by-step solution method:
  1. Identify the starting amount
  2. Determine if each action increases (+) or decreases (-) the quantity
  3. Perform operations in sequence
  4. State the final answer
Starting Amount
17 children
Went Home
-5 children
Came to Read
+2 children
Final Amount
? children
Step 1: Identify the starting amount

There were 17 children reading initially

Step 2: Account for children who went home

5 children went home, so subtract: 17 - 5 = 12 children

Step 3: Account for children who came to read

2 more children came to read, so add: 12 + 2 = 14 children

Step 4: State the final answer

There are 14 children reading in the library now

17 - 5 + 2 = 14
Final answer:

There are 14 children reading in the library now.

Applied rules:

• Operation identification: Determine if actions increase or decrease the quantity

• Sequence following: Perform operations in the order they occur

• Multi-operation problems: Combine addition and subtraction as needed

• Practice Tip: Focus on the action words: "went home" means subtract, "came to" means add

Related Examples:
  • Started with 12 balloons, 4 popped, bought 3 more. Now have? (12 - 4 + 3 = 11)
  • 20 people on bus, 8 got off, 5 got on. Current riders? (20 - 8 + 5 = 17)
  • 15 birds on tree, 6 flew away, 4 landed. Now there? (15 - 6 + 4 = 13)
Quick Tips:
  • Pay attention to action words: leaving/giving away = subtract, coming/getting = add
  • Solve step by step in the order events happened
  • Check that your final answer makes sense in the context
Frequently Asked Questions:

Q: How do I know whether to add or subtract?
A: Look for action words: taking away, losing, giving = subtract; getting, coming, adding = add.

Q: What if there are many different actions?
A: Handle each action one at a time in the order they occur, keeping track of the running total.

Key Laws, Methods, Rules, and Definitions
Starting\ Amount - Taken\ Away = Remaining\ Amount
Basic Subtraction Relationship
Key definitions:

Subtraction: The operation of taking away one number from another to find the difference

Word problems: Mathematical problems presented in a narrative format requiring comprehension and translation to mathematical expressions

Keywords: Words that indicate which operation to use (e.g., "left", "remaining", "difference", "more than")

Complete methodology:
  1. Read carefully: Understand the situation described in the problem
  2. Identify numbers: Find the quantities mentioned in the problem
  3. Find the operation: Look for keywords that indicate subtraction
  4. Set up the problem: Write the subtraction sentence
  5. Solve: Calculate the answer using counting, drawing, or mental math
  6. Check: Make sure the answer makes sense in the context
Tip 1: Look for action words like "gave", "took", "used", "ate", "sold" which indicate subtraction.
Tip 2: Draw pictures or use objects to represent the problem when it's difficult to visualize.
Tip 3: For comparison problems, always subtract the smaller number from the larger number.
Tip 4: Check your answer by adding the result back to the subtracted amount to see if you get the original number.
Common errors: Subtracting the wrong way (larger from smaller), misreading keywords, forgetting to answer in context, miscalculating.
Success strategies: Read twice, identify key numbers, draw pictures, check work, answer completely with units.
Problem types to recognize:

• Taking away: Start with amount, take some away, find what remains

• Finding differences: Compare two amounts to see how much more/less

• Part-whole relationships: Know total and one part, find other part

• Missing number problems: Know what was taken and what remains, find original

• Multi-step problems: More than one operation needed to solve

Rules and Methods for Subtraction Word Problems
Total - Part = Other\ Part
Part-Whole Relationship
Taking Away
Start - Take\ Away = Left
Example: 8 - 3 = 5
Comparing
Bigger - Smaller = Difference
Example: 12 - 7 = 5
Missing Start
Take\ Away + Left = Start
Example: 4 + 6 = 10

Key Takeaways

  • Subtraction word problems require identifying the action or relationship
  • Keywords help determine which operation to use
  • Visual representations make abstract concepts concrete
  • Always check that your answer makes sense in the problem context
  • Practice multiple problem types to build flexibility

Questions & Answers

Question: I don't understand when to add and when to subtract in word problems. How do I know which one to use?

Answer: Great question! Here's how to tell the difference:

  • Look for action words: "gave away", "ate", "used", "sold", "lost", "took" usually mean SUBTRACT
  • Look for joining words: "got", "found", "bought", "added", "joined", "came" usually mean ADD
  • Ask yourself: "Is something being TAKEN AWAY or REMOVED?" Then subtract.
  • Ask yourself: "Are things being PUT TOGETHER or JOINED?" Then add.

Examples:
"I had 10 cookies, ate 3" → TAKE AWAY → 10 - 3 = 7
"I had 5 toys, got 3 more" → JOIN TOGETHER → 5 + 3 = 8

When in doubt, draw a picture or use objects to act out the problem!

Question: My child struggles with word problems but does fine with number sentences. How can I help bridge this gap?

Answer: This is very common! Here are effective strategies to help:

  • Start with acting it out: Use real objects (toys, snacks, etc.) to physically demonstrate the problem
  • Draw pictures: Help your child visualize the problem by drawing simple representations
  • Simplify the language: Read the problem together and identify just the numbers and what's happening
  • Connect to number sentences: Once the story is understood, write the corresponding number sentence

For example, for "Sarah had 8 apples, gave 3 away":
1. Use 8 actual apples
2. Physically give away 3
3. Count what remains
4. Write: 8 - 3 = 5

Practice with many simple problems before moving to more complex ones.

Question: Some problems seem really hard with lots of words. Can I just guess?

Answer: Guessing won't help you learn, but there are easier ways to tackle word problems:

  • Circle the numbers in the problem first
  • Underline key words like "have", "give", "left", "more", "total"
  • Draw a simple picture to show what's happening
  • Think about the story - what starts, what happens, what ends

For example, in "Tom had 12 marbles. He gave 5 to his friend. How many does he have left?":
- Circle: 12 and 5
- Key words: "had", "gave", "left"
- Draw 12 circles, cross out 5, count the rest
- Write: 12 - 5 = 7

With practice, word problems will become easier! Don't give up!

Math Glossary

Subtraction
The arithmetic operation of taking one number away from another to find the difference or remainder. Symbol: minus (-).
Minuend
The first number in a subtraction problem; the number from which another number is subtracted. In 8 - 3 = 5, 8 is the minuend.
Subtrahend
The number being subtracted from the minuend. In 8 - 3 = 5, 3 is the subtrahend.
Difference
The answer to a subtraction problem. In 8 - 3 = 5, 5 is the difference.
Word Problem
A mathematical problem presented in a narrative format that requires comprehension and translation to mathematical expressions.

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