Mastering Addition to 100 Without Regrouping

What is the sum of the ones place when adding 43 and 21?

• 8

• 2

• 6

• 4

How many tens are there when 43 and 21 are added together?

• 10

• 8

• 6

• 4

What is the result of adding the ones place in 35 and 52?

• 9

• 5

• 11

• 7

What is the total number of blocks when adding 35 and 52?

• 87

• 75

• 82

• 90

What is the sum of 27 and 51?

• 78

• 76

• 82

• 88