Adding 2-Digit Numbers

What equation shows a way to solve 27 + 38?

• 20 + 70 + 30 + 80

• 20 + 7 + 30 + 8

• 2 + 7 + 3 + 8

Mr. Diaz has 49 red blocks and 33 blue blocks on a table. He asks his class to find the total number of blocks. Which equation shows a way to find 49 + 33?

• 40 + 30 + 9 + 3

• 4 + 9 + 3 + 3

• 40 + 90 + 30 + 30

26 is equal to

• 200 + 60

• 20 + 6

• 60 + 2

• 22 + 66

56 is equal to

• 50+8

• 50+6

• 60+4

• 60+6

Calculate 41 + 29

• 70

• 71

• 72

• 73

52 + 19

• 71

• 61

• 81

• 72

What is 66 + 11?

• 77

• 87

• 97

• 107

32 + 26

• 58

• 85

• 60

• 52

What is 33 + 17?

• 50

• 51

• 52

• 53

39+49=

• 88

• 78

• 98

• 89