Adding Two Digit Numbers Within 100

23 + 12

• 35

• 55

• 45

• 34

52 + 25

• 72

• 75

• 77

• 67

31+ 67

• 98

• 98

• 88

• 108

37 + 67

• 200

• 104

• 33

• 914

David really wants to buy a toy that is twelve dollars and a toy that 23 dollars. How much money would he need to have to buy both toys?

• 22

• 65

• 35

• 3

22+ 44

• 44

• 66

• 33

• 1

65 + 23 =

• 88

• 98

• 87

41 + 36 =

• 77

• 76

• 87

46 + 22 =

• 68

• 78

• 67

Laura picked 34 roses from the garden on Wednesday. She picked 30 more roses today. How many roses does Laura have altogether? Which open number line shows the correct way to solve this problem?

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