Question

Please finish the sheet i procrastinated to much

Answer 1

1) 55 + 23

= (5 tens + 5 tens) + (2 ones + 3 ones)

= 10 tens + 5 ones

= 15

2) 42 + 35

= (4 tens + 2 tens) + (3 ones + 5 ones)

= 6 tens + 8 ones

= 14

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