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Partitioning Numbers to 20
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Partitioning Numbers to 20
📚 Part 1: Multiple Choice
1. Which shows 12 as tens and ones?
10 + 2
1 + 11
6 + 6
9 + 3
2. Check all that are partitions of 15:
10 + 5
7 + 8
9 + 6
15 + 1
3. If you split 10 into two equal parts, each part is:
4
5
6
4. Which shows an unequal partition of 8?
4 + 4
5 + 3
2 + 6
✏️ Part 2: Short Answers & Activities
5. Show one way to partition 14 using numbers. Write the two parts that make 14.
6. Draw counters to show 11 as 10 and 1. Use dots or circles.
7. Write two different ways to partition 16 (two number pairs):
8. Explain in one sentence: Why must the two parts add to the whole number?
🎯 Part 3: Challenge
9. Choose a number between 6 and 20. Write the number, show one partition using tens and ones, and then show another different partition.
Number: ____________
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