Additive Relations Assessment Worksheet

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Date:

Mathematical symbols and numbers illustration

🎯 WALT: We Are Learning To understand additive relations and inverse operations

Success Criteria:

✓ I can use addition and subtraction as inverse operations
✓ I can find missing numbers in number sentences
✓ I can solve practical problems using bar models

📚 Part 1: Inverse Operations

1. If 45 + 28 = 73, what does 73 - 28 equal?

101

2. Find the missing number: 156 - _____ = 89

3. Complete this fact family using 34, 19, and 53:

34 + 19 = _____

19 + 34 = _____

53 - 19 = _____

53 - 34 = _____

🧮 Part 2: Number Partitioning and Bar Models

4. Sarah has 240 stickers. She gives away some stickers and has 165 left. How many stickers did she give away?

Draw a bar model to help solve this problem:

Number sentence: _________________________

Answer: _____ stickers

5. A school collected $485 for charity. Year 5 raised $198 and Year 6 raised the rest. How much did Year 6 raise?

6. Which strategies can help you solve 347 + 156? (Tick all that apply)

Break apart: (300 + 100) + (40 + 50) + (7 + 6)

Count on from 347

Use column addition

Round and adjust

🎯 Part 3: Problem Solving

7. At the school canteen, 324 meat pies and 189 sausage rolls were sold. How many items were sold altogether?

Show your working:

8. Tom scored 267 points in a game. His friend scored 58 points less. What was his friend's score?

Number sentence: _________________________

Answer: _____ points

9. Find two different ways to make 450 using addition:

Way 1: _____ + _____ = 450

Way 2: _____ + _____ = 450

10. Explain how you would check if the answer 234 + 178 = 412 is correct:

Additive Relations Assessment Worksheet

Additive Relations Assessment Worksheet

🎯 WALT: We Are Learning To understand additive relations and inverse operations

Success Criteria:

📚 Part 1: Inverse Operations

🧮 Part 2: Number Partitioning and Bar Models

🎯 Part 3: Problem Solving

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