Solved Exercises on Subtraction with Objects and Pictures in Grade 1

Master subtraction with objects and pictures: basic concepts, visual representation, and problem solving through these 5 detailed exercises.

Solution: Exercises 1 to 3
1 Subtraction with Real Objects
Exercise 1
Solve: 8 - 3 = ? using apples
Definition:

Subtraction: Taking away a number from another number

Objects: Real items used to represent numbers

Visual Representation: Using pictures or objects to show math

Object Method:
  1. Count out the starting number of objects (8 apples)
  2. Take away the number being subtracted (3 apples)
  3. Count the remaining objects
  4. Write the complete equation
Start With
-
Take Away
=
Left Over
Step 1: Count the starting objects

We have 8 apples: 🍎🍎🍎🍎🍎🍎🍎🍎

Step 2: Take away 3 apples

Cross out 3 apples: ❌❌❌

Step 3: Count remaining apples

Apples left: 🍎🍎🍎🍎🍎 (5 apples)

Step 4: Write the equation

8 - 3 = 5

8 - 3 = 5
Final answer:

8 - 3 = 5

Applied rules:

• Taking away: Remove objects from the starting amount

• Counting remainder: Count what's left after taking away

• Visual confirmation: See the exact number remaining

2 Picture Subtraction
Exercise 2
Solve: 6 - 2 = ? using pictures of bananas
Definition:

Picture Subtraction: Using drawn or visual representations

Visual Confirmation: Seeing the subtraction happen

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🍌
🍌
🍌
🍌
🍌
🍌
🍌
🍌
🍌
🍌
🍌
Step 1: Look at the starting pictures

We have 6 bananas: 🍌🍌🍌🍌🍌🍌

Step 2: Cross out 2 bananas

Take away 2: ❌❌

Step 3: Count remaining bananas

Remaining: 🍌🍌🍌🍌 (4 bananas)

Step 4: Write the equation

6 - 2 = 4

6 - 2 = 4
Final answer:

6 - 2 = 4

Applied rules:

• Visual representation: Pictures show the subtraction process

• Crossing out: Shows what's being taken away

• Counting remaining: The final count is the answer

3 Mixed Objects Subtraction
Exercise 3
Solve: 7 - 4 = ? using mixed fruit pictures
Definition:

Mixed Objects: Different types of objects in the same problem

Consistent Counting: All objects count equally in subtraction

🍎
🍊
🍇
🍒
🍑
🍋
🍓
🍎
🍊
🍇
🍒
🍑
🍋
🍓
Step 1: Count all starting objects

We have 7 different fruits: 🍎🍊🍇🍒🍑🍋🍓

Step 2: Take away 4 objects

Cross out 4: ❌❌❌❌

Step 3: Count what remains

Remaining: 🍑🍋🍓 (3 fruits)

Step 4: Write the equation

7 - 4 = 3

7 - 4 = 3
Final answer:

7 - 4 = 3

Applied rules:

• Mixed objects: Different types still count as individual units

• Consistent counting: All objects contribute equally

• Visual tracking: Pictures help keep track of what's taken away

Rules and methods, laws,...
\(8 - 3 = 5\)
Object Subtraction
Taking Away
Method
Remove objects
Visual
Confirmation
See the result
Cross Out
Technique
Mark what's taken
Key definitions:

Subtraction: The operation of taking away one quantity from another

Objects: Physical items used to represent numbers and quantities

Pictures: Visual representations of numbers and mathematical operations

Complete methodology:
  1. Object placement: Arrange objects to represent the starting number
  2. Selection: Choose the correct number of objects to remove
  3. Removal: Physically take away or mark the objects
  4. Counting: Count the remaining objects
  5. Recording: Write the complete subtraction equation
Tip 1: Use real objects like blocks, counters, or food items.
Tip 2: Cross out or cover objects to show they're taken away.
Tip 3: Count slowly and touch each remaining object.
Tip 4: Always verify by adding back to check your answer.
Common errors: Forgetting to cross out, miscounting remaining objects.
Key concepts: Understanding that subtraction decreases quantity visually.
Rules to remember:

• Visual confirmation: Objects provide concrete evidence of subtraction

• Physical removal: Actually taking away helps understanding

• Counting principle: Count what remains after removal

• Verification: Add back to check your subtraction

Subtraction Facts (with Objects)
5 - 1 = 4
6 - 2 = 4
7 - 3 = 4
8 - 4 = 4
9 - 5 = 4
6 - 1 = 5
7 - 2 = 5
8 - 3 = 5
9 - 4 = 5
10 - 5 = 5
7 - 1 = 6
8 - 2 = 6
9 - 3 = 6
10 - 4 = 6
Solution: Exercises 4 to 5
4 Word Problems with Pictures
Exercise 4
Tom has 9 balloons. He gives 3 balloons to his friend. How many balloons does Tom have left? Use pictures to solve.
Definition:

Word Problem: A math question written in story form

Picture Solution: Using visual aids to solve the problem

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🎈
🎈
🎈
🎈
🎈
🎈
🎈
🎈
🎈
🎈
🎈
🎈
🎈
Step 1: Identify the starting amount

Tom starts with 9 balloons: 🎈🎈🎈🎈🎈🎈🎈🎈🎈

Step 2: Identify what's given away

He gives away 3 balloons

Step 3: Cross out the given balloons

Cross out 3: ❌❌❌

Step 4: Count remaining balloons

Tom has 6 balloons left

9 - 3 = 6
Final answer:

Tom has 6 balloons left

Applied rules:

• Story translation: Convert words to mathematical problem

• Visual representation: Use pictures to model the situation

• Subtraction concept: Giving away means taking away

5 Complex Picture Subtraction
Exercise 5
Solve: 10 - 7 = ? using a combination of different objects
Definition:

Complex Problems: Subtraction with larger numbers

Multiple Representations: Using various objects for same problem

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🍌
🍊
🍇
🍓
🫐
🍋
🍑
🍒
🍐
🍎
🍌
🍊
🍇
🍓
🫐
🍋
🍑
🍒
🍐
Step 1: Count the starting objects

We have 10 different objects: 🍎🍌🍊🍇🍓🫐🍋🍑🍒🍐

Step 2: Take away 7 objects

Cross out 7: ❌❌❌❌❌❌❌

Step 3: Count remaining objects

Remaining: 🍑🍒🍐 (3 objects)

Step 4: Verify the answer

Check: 7 + 3 = 10 ✓

10 - 7 = 3
Final answer:

10 - 7 = 3

Applied rules:

• Large numbers: Same method works for bigger numbers

• Verification: Always check by adding back

• Consistency: Subtraction works the same with any objects

Subtraction with Objects and Pictures - Complete Guide
\(8 - 3 = 5\)
Visual Subtraction
Key definitions:

Subtraction: The mathematical operation of taking away one quantity from another

Objects: Physical items used to represent numbers and mathematical concepts

Pictures: Visual representations that help understand subtraction

Visual Learning: Using sight to understand mathematical concepts

Complete methodology:
  1. Object preparation: Gather or draw the correct number of objects
  2. Arrangement: Organize objects in a clear, visible manner
  3. Selection: Identify the correct number to remove
  4. Removal: Physically take away or mark objects
  5. Counting: Count the remaining objects accurately
  6. Verification: Check the answer by adding back
  7. Recording: Write the complete mathematical sentence
Tip 1: Use colorful objects to make the process engaging.
Tip 2: Touch each remaining object while counting.
Tip 3: Use familiar objects like toys or snacks.
Tip 4: Always verify by adding the result back to the number taken away.
Visual benefits: Objects and pictures make abstract concepts concrete.
Memory aids: Visual representations help with retention and understanding.
Essential formulas:

• Subtraction equation: Minuend - Subtrahend = Difference

• Verification: Difference + Subtrahend = Minuend

• Object counting: Count what remains after removal

• Visual confirmation: See the exact result of subtraction

Subtraction with Objects Workflow

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Step-by-Step Process
1
Arrange
2
Identify
3
Remove
4
Count
5
Verify
Subtraction Keywords

take away

left

remain

give away

eat

Practice Makes Perfect!

Questions & Answers

Question: Why do we need to use objects and pictures for subtraction? Can't we just do it in our head?

Answer: Great question! Using objects and pictures is like training wheels for your brain. Here's why they're important:

  • Understanding: You see exactly what subtraction means - taking away
  • Memory: Visual memories help you remember math facts
  • Accuracy: You can't skip steps when you see everything
  • Confidence: Success with objects builds confidence for mental math

Think of it like learning to ride a bike - you start with training wheels, then you ride on your own!

Once you understand subtraction with objects, you can do it mentally!

Question: My child sometimes forgets to cross out objects and just counts the same ones. How can I help them stay organized?

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

  • Physical removal: Actually pick up and move away the objects being subtracted
  • Color coding: Use a different color marker to cross out
  • Separate piles: Make a "taken away" pile and a "remaining" pile
  • Touch counting: Have them touch each remaining object while counting

Try this: Lay out 8 objects in a line. As you take away each one, move it to a separate area. This makes it clear what's been removed!

Organization helps prevent confusion!

Question: Sometimes when I subtract 6 - 2, I get 3 instead of 4. How can I be more careful?

Answer: It's easy to miscount! Here are ways to be more accurate:

  • Slow counting: Count slowly and clearly
  • Touch method: Touch each remaining object as you count
  • Double check: Count the remaining objects twice
  • Verify: Add back to see if it equals the original number

For 6 - 2: Start with 6 objects, take away 2, count what's left: 1, 2, 3, 4

Check: 4 + 2 = 6 ✓

Take your time - accuracy is more important than speed!

Question: What are some good household items to use for subtraction practice?

Answer: Many household items work great! Here are suggestions:

  • Food items: Pasta, cereal, crackers, raisins
  • Toys: Small cars, blocks, action figures, stickers
  • Household: Paper clips, buttons, coins, crayons
  • Art supplies: Markers, colored pencils, craft sticks

Fun activities:

  • Create subtraction stories with toy animals
  • Use snack items and eat the ones you "subtract"
  • Make arrays with small objects in rows
  • Use different colors to represent different numbers

The key is using items that are safe and easy to manipulate!