Addition by Partitioning worksheet for practicing number decomposition into tens and units.

A colorful educational worksheet titled "Addition by Partitioning (A)" for medium progression, featuring exercises to partition numbers into tens and units, with a table for adding tens and units separately and a confidence rating section at the bottom.

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ID: #635076

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Final Answer:
28 → 20 + 8
12 → 10 + 2
63 → 60 + 3
90 → 90 + 0

13 + 25 → (10 + 20) + (3 + 5) = 30 + 8 = 38
36 + 12 → (30 + 10) + (6 + 2) = 40 + 8 = 48
51 + 18 → (50 + 10) + (1 + 8) = 60 + 9 = 69
14 + 43 → (10 + 40) + (4 + 3) = 50 + 7 = 57
22 + 32 → (20 + 30) + (2 + 2) = 50 + 4 = 54
77 + 11 → (70 + 10) + (7 + 1) = 80 + 8 = 88
42 + 25 → (40 + 20) + (2 + 5) = 60 + 7 = 67
51 + 21 → (50 + 20) + (1 + 1) = 70 + 2 = 72
35 + 44 → (30 + 40) + (5 + 4) = 70 + 9 = 79

Parent Tip: Review the logic above to help your child master the concept of year 2 worksheet free.

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