Subtract with Pictures | 1st Grade Math | Step-by-Step Exercises with Solutions

Solutions: Exercises 1 to 10

1 Counting Apples

Exercise 1

If you have 5 🍎 and you eat 2 🍎, how many 🍎 do you have left?

Difficulty: Easy Time: ~2 minutes Skills: Visual Counting

Definition:

Picture subtraction: Using visual objects to understand subtraction as "taking away" or "removing" items from a group.

Note: This helps children visualize subtraction as removing objects from a collection, making abstract concepts concrete.

Step-by-step counting method:

Count the total number of objects initially present
Count how many objects are being removed
Count the remaining objects to find the answer

🍎

Step 1: Count initial objects

We start with 5 apples: 🍎 🍎 🍎 🍎 🍎

Step 2: Remove specified number

We eat 2 apples, so we cross out 2: 🍎 🍎 🍎 🍎 🍎

Step 3: Count remaining objects

We count the remaining apples: 🍎 🍎 🍎 = 3 apples

5 - 2 = 3

Final answer:

You have 3 apples left.

Applied rules:

• Subtraction concept: Taking away reduces the total count

• Visual counting: Use pictures to represent numbers

• One-to-one correspondence: Each picture represents one object

• Practice Tip: Always count the starting amount first, then count what's taken away

Related Examples:

4 - 1 = 3 (start with 4, remove 1)
6 - 3 = 3 (start with 6, remove 3)
7 - 4 = 3 (start with 7, remove 4)

Quick Tips:

Always start by counting the total number of objects
Cross out or circle the objects being taken away
Count the remaining objects carefully

Frequently Asked Questions:

Q: Can I use my fingers to help count?
A: Yes! Using fingers or physical objects helps visualize the subtraction process.

Q: What if I have more objects to remove than I started with?
A: That's not possible in basic subtraction. The number being removed must be equal to or less than the starting amount.

2 Banana Subtraction

Exercise 2

There are 7 🍌 on the table. 3 🍌 are eaten. How many 🍌 are left?

Difficulty: Easy Time: ~2 minutes Skills: Visual Subtraction

Definition:

Object removal: Taking away a specific number of items from a group to find what remains.

Note: This reinforces the concept that subtraction means reducing the total quantity by removing items.

Step-by-step removal method:

Count the initial number of objects
Mark or remove the specified number
Count what remains after removal

🍌

Step 1: Count initial bananas

There are 7 bananas: 🍌 🍌 🍌 🍌 🍌 🍌 🍌

Step 2: Mark eaten bananas

3 bananas are eaten: 🍌 🍌 🍌 🍌 🍌 🍌 🍌

Step 3: Count remaining bananas

We count what's left: 🍌 🍌 🍌 🍌 = 4 bananas

7 - 3 = 4

Final answer:

There are 4 bananas left.

Applied rules:

• Removal concept: Subtraction represents taking away items

• Counting strategy: Keep track of what remains after removal

• Verification: Add the removed and remaining amounts to check

• Practice Tip: Draw circles around objects being removed to visualize the process

Related Examples:

8 - 2 = 6 (start with 8, remove 2)
9 - 5 = 4 (start with 9, remove 5)
10 - 7 = 3 (start with 10, remove 7)

Quick Tips:

Draw the objects if they're not provided in the worksheet
Use different colors to mark objects being removed
Always verify your answer by adding the removed and remaining amounts

Frequently Asked Questions:

Q: What if I remove more than I have?
A: You cannot remove more objects than you started with. Subtraction only works when the number being removed is equal to or less than the starting amount.

Q: Can I remove objects randomly?
A: No, remove the exact number specified in the problem. The order doesn't matter, but the count does.

3 Orange Removal

Exercise 3

You have 8 🟠 in a basket. You take out 5 🟠. How many 🟠 are still in the basket?

Difficulty: Easy Time: ~2 minutes Skills: Container Concept

Definition:

Container subtraction: Taking items out of a container or group, leaving fewer behind.

Note: This scenario helps children understand subtraction as removing items from a collection in a specific location.

Step-by-step container method:

Count the total number of objects in the container
Remove the specified number of objects
Count what remains in the container

🟠

Step 1: Count initial oranges

You have 8 oranges in the basket: 🟠 🟠 🟠 🟠 🟠 🟠 🟠 🟠

Step 2: Mark removed oranges

You take out 5 oranges: 🟠 🟠 🟠 🟠 🟠 🟠 🟠 🟠

Step 3: Count remaining oranges

We count what's left in the basket: 🟠 🟠 🟠 = 3 oranges

8 - 5 = 3

Final answer:

There are 3 oranges still in the basket.

Applied rules:

• Container concept: Objects are held in a specific location

• Removal process: Taking out reduces the total count

• Verification: Check that removed + remaining equals original

• Practice Tip: Use containers like baskets, boxes, or bags to visualize grouping

Related Examples:

7 - 4 = 3 (start with 7, remove 4)
9 - 6 = 3 (start with 9, remove 6)
10 - 8 = 2 (start with 10, remove 8)

Quick Tips:

Imagine the container as a place where objects live
Removing objects makes the container less full
Always count carefully to ensure accuracy

Frequently Asked Questions:

Q: What if I put objects back in?
A: Adding objects back would be addition, not subtraction. Subtraction is only when we take away.

Q: Can I remove more than I have?
A: No, you can only remove up to the number you originally had. In real life, you'd need to get more objects first.

Solutions: Exercises 4 to 5

4 Star Patterns

Exercise 4

There are 10 ⭐ stars in the sky. 6 ⭐ stars disappear. How many ⭐ stars are still visible?

Definition:

Pattern subtraction: Using subtraction with objects arranged in visual patterns.

Note: This helps children recognize subtraction in organized arrangements, preparing them for more advanced math concepts.

Step-by-step pattern method:

Count the total number of objects in the pattern
Identify which objects are being removed
Count what remains after removal

⭐

Step 1: Count initial stars

There are 10 stars in the sky: ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐

Step 2: Mark disappeared stars

6 stars disappear: ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐

Step 3: Count remaining stars

We count what's still visible: ⭐ ⭐ ⭐ ⭐ = 4 stars

10 - 6 = 4

Final answer:

There are 4 stars still visible.

Applied rules:

• Pattern recognition: Organized arrangements help with counting

• Visual organization: Patterns make it easier to track objects

• Removal concept: Disappearing or vanishing represents subtraction

• Practice Tip: Arrange objects in rows to make counting easier

Related Examples:

Arrange 10 dots in 2 rows of 5, remove 3 = 7 remaining
Pattern of 15 circles in triangle, remove 6 = 9 remaining
Grid of 16 squares, remove 7 = 9 remaining

Quick Tips:

Organize objects in patterns to make counting easier
Rows and columns help keep track of totals
Mark or cross out removed objects to visualize the process

Frequently Asked Questions:

Q: Do patterns affect the subtraction?
A: No, the pattern just helps with counting. The subtraction result is the same regardless of arrangement.

Q: Can I rearrange objects after subtraction?
A: Yes, the total number remaining doesn't change based on arrangement.

5 Heart Counting

Exercise 5

You drew 9 ❤️ hearts on paper. You erase 4 ❤️ hearts. How many ❤️ hearts are still on the paper?

Definition:

Erasure subtraction: Using subtraction to represent removing drawn objects from a surface.

Note: This connects subtraction to drawing and art activities, making it relevant to children's creative experiences.

Step-by-step erasure method:

Count the total number of drawn objects
Count how many are erased
Count what remains after erasure

❤️

Step 1: Count initial hearts

You drew 9 hearts: ❤️ ❤️ ❤️ ❤️ ❤️ ❤️ ❤️ ❤️ ❤️

Step 2: Mark erased hearts

You erase 4 hearts: ❤️ ❤️ ❤️ ❤️ ❤️ ❤️ ❤️ ❤️ ❤️

Step 3: Count remaining hearts

We count what's still on the paper: ❤️ ❤️ ❤️ ❤️ ❤️ = 5 hearts

9 - 4 = 5

Final answer:

There are 5 hearts still on the paper.

Applied rules:

• Erasure concept: Removing drawn objects reduces the count

• Surface awareness: Track what remains on the drawing surface

• Counting verification: Check that erased + remaining equals original

• Practice Tip: Think of subtraction as "what's left after erasing"

Related Examples:

7 - 3 = 4 (start with 7, erase 3)
8 - 5 = 3 (start with 8, erase 5)
10 - 7 = 3 (start with 10, erase 7)

Quick Tips:

Think of surfaces where objects can be drawn and erased
Remember that erasing reduces the total count
Always verify your answer by adding the erased and remaining amounts

Frequently Asked Questions:

Q: What if I erase more than I drew?
A: You can only erase up to what you originally drew. You'd need to draw more first.

Q: Can I erase zero objects?
A: Yes, erasing zero means you remove nothing, so 9 - 0 = 9, all objects remain.

Questions & Answers

CuriousParent

Parent of 1st Grader

Question: My child struggles with picture subtraction when there are more than 10 objects. How can I help them count more effectively?

TeacherExpert

Elementary Education Specialist

Answer: Great question! Here are effective strategies for larger numbers:

Grouping: Help your child organize objects into groups of 5 or 10 (like 10 + 5 for 15 objects)
Row counting: Arrange objects in rows to make tracking easier
Counting aids: Use fingers, counters, or small toys to assist with keeping track
Slow counting: Encourage your child to count slowly and touch each object

Example: For 15 objects, first count 10, then count the remaining 5. This makes 10 + 5 = 15.

The key is to make the counting process systematic rather than random.

StudentHelp

Grade 1 Student

Question: Sometimes I don't know if I should add or subtract when reading a word problem. How do I figure it out?

MathMentor

Certified Elementary Math Teacher

Answer: Look for these key words and actions:

Subtraction words: take away, give away, lose, eat, remove, left, remain, fewer
Addition words: get, receive, more, join, together, total, altogether

Also think about what's happening: if objects are going away, it's subtraction. If objects are coming together, it's addition.

Example: "Sarah has 7 rabbits and gives 2 away" → giving away means subtraction: 7 - 2 = 5.

Always ask yourself: "Are things getting more or fewer?"

HelpfulMom

Home School Parent

Question: How can I make sure my child understands that subtraction means taking away rather than just memorizing the procedure?

EducatorPro

Math Education Researcher

Answer: Focus on conceptual understanding with these approaches:

Real objects: Use actual items like toys, snacks, or counters for hands-on practice
Storytelling: Create stories where characters give away, eat, or lose items
Physical actions: Have your child physically move objects away while counting
Verification: Always check by adding back: removed + remaining = original

The goal is for your child to visualize subtraction as "what's left after taking away" rather than just following steps.

Encourage your child to explain their thinking: "I took away 3, so I crossed them out and counted what was left."

Detailed Summary

This comprehensive guide covers subtraction with pictures, a fundamental concept in 1st grade mathematics that helps children visualize the process of taking away objects from a group. Through visual representations, students develop a concrete understanding of subtraction before transitioning to abstract number operations.

Core Concepts and Definitions

Subtraction: The mathematical operation of taking away objects from a group to find what remains. Represented by the minus sign (-).
Minuend: The number from which another number is subtracted; the starting amount in a subtraction problem.
Subtrahend: The number being subtracted; the amount taken away from the minuend.
Difference: The result of a subtraction problem; what remains after subtracting.
Picture Subtraction: Using visual representations of objects to understand and solve subtraction problems, making abstract concepts concrete.
One-to-One Correspondence: Each picture or object represents one unit in the mathematical operation.

Core Rules and Principles

Subtraction Basics: You can only subtract up to the amount you started with. You cannot subtract more than the minuend.
Counting Principle: Each object represents one unit. Accurate counting is essential for correct subtraction.
Verification Rule: Removed + Remaining = Original amount. This helps check the accuracy of subtraction.
Visual Organization: Arranging objects in patterns or groups makes counting easier and more accurate.
Process Order: Always count the starting amount first, then identify what's being removed, then count what remains.

Step-by-Step Methods and Procedures

Basic Counting Method: Count total objects → Identify how many to remove → Count remaining → Write equation
Visual Marking Method: Draw or see objects → Mark/cross out removed objects → Count unmarked objects → Verify total
Grouping Method: For larger numbers, group objects in tens and ones → Count groups → Subtract → Recount remaining
Word Problem Method: Read problem → Identify initial amount → Identify amount removed → Set up equation → Solve → Answer in context
Verification Method: After solving, add the removed and remaining amounts to ensure they equal the original

Examples (Simple to Advanced)

Simple: 3 - 1 = 2 (3 apples, eat 1, 2 remain)
Medium: 7 - 3 = 4 (7 stars, 3 disappear, 4 remain)
Complex: (5 + 4) - 3 = 6 (5 apples + 4 bananas, eat 3 fruits, 6 remain)
Advanced: 15 - 9 = 6 (15 ducks, 9 fly away, 6 remain)
Word Problem: "Sarah has 8 flowers, gives 3 away" → 8 - 3 = 5 flowers left

Tips, Tricks, and Common Pitfalls

Tips: Always count starting amount first, cross out or mark removed objects, use fingers or counters for extra help
Tricks: Group larger numbers (10 + 5 for 15), arrange objects in rows, use verification method
Common Pitfalls: Miscounting initial objects, forgetting to subtract correctly, counting removed objects as remaining
Memory Aid: "Subtract means take away" - visualize the physical removal of objects
Error Prevention: Always verify by adding removed + remaining = original

Key Notes for Memorization

Subtraction always makes numbers smaller (except when subtracting 0)
The minus sign (-) means "take away" or "remove"
Each picture represents exactly one object
Verification: removed + remaining = original amount
Keywords for subtraction: take away, give, eat, remove, left, remain, fewer

Explanation for Students

Subtraction with pictures helps you understand that subtraction means taking away objects from a group. When you see pictures of objects and some are removed, you count how many are left. This makes subtraction easier to understand than just looking at numbers. Remember: subtraction always makes the number smaller (unless you subtract zero). You can use your fingers, draw pictures, or use real objects to help you understand. Always check your answer by adding the removed and remaining amounts to make sure they equal the original number.

Math Glossary

Subtraction

The mathematical operation of taking away objects from a group to find what remains. Represented by the minus sign (-).

Minuend

The number from which another number is subtracted; the starting amount in a subtraction problem.

Subtrahend

The number being subtracted; the amount taken away from the minuend.

Difference

The result of a subtraction problem; what remains after subtracting.

Picture Subtraction

Using visual representations of objects to understand and solve subtraction problems, making abstract concepts concrete.

Subtract with Pictures in Grade 1 - Mathematics - Exercises with solutions

Visual Subtraction Concepts

Key Takeaways

Questions & Answers

Detailed Summary

Math Glossary

Math Excellence Educational Team