Adding Two Digits

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

What is that result of that equation?

• 67

• 68

• 69

• 60

How many tens and ones are there?

• 3 tens and 5 ones

• 4 tens and 10 ones

• 3 tens and 12 ones

• 5 tens and 7 ones

Calculate 41 + 29

• 70

• 71

• 72

• 73

32 + 26

• 58

• 85

• 60

• 52

What is 32 + 18?

• 50

• 51

• 52

• 53

Add 37 + 16

• 53

• 54

• 55

• 56

52 + 19

• 71

• 61

• 81

• 72

Use mental math to solve.

120 + 42 + 80

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