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Partitioning Addition Practice

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Partitioning Addition Practice worksheet preview

Partitioning Addition Practice

Partitioning addition illustration

🎯 Learning Intention

LI: We are learning to partition numbers into tens and ones to make addition easier.

Success Criteria

SC: I can break numbers into tens and ones, add the tens together, add the ones together, then combine for the final answer.

📚 Part 1: Breaking Numbers Apart

1. Break these numbers into tens and ones:

a) 34 = _____ tens + _____ ones

b) 67 = _____ tens + _____ ones

c) 85 = _____ tens + _____ ones

2. Choose the correct way to partition 47 + 26:

(40 + 20) + (7 + 6)

(47 + 26) + (0 + 0)

(4 + 2) + (70 + 60)

3. Complete this partitioned addition:

38 + 25 = (30 + 20) + (8 + 5)

= _____ + _____

= _____

✏️ Part 2: Independent Practice & Real-World Problems

4. Use partitioning to solve these additions. Show your working:

a) 43 + 29 =

b) 56 + 37 =

5. Sarah collected 48 stickers on Monday and 35 stickers on Tuesday. How many stickers does she have altogether? Use partitioning to solve.
6. Extension Challenge: A school has 127 students in Year 3 and 156 students in Year 4. What is the total number of students? Show your partitioning method.
7. Mark your answer on this number line: 24 + 18 = ?

Start at 24, jump by tens, then by ones:

20 ——— 25 ——— 30 ——— 35 ——— 40 ——— 45

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