Adding Two-Digit Numbers

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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Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

45 + 40 =

• 86

• 85

• 75

Tags

CCSS.2.NBT.B.5

Amy collects erasers. She has 56 erasers. Her father gave her 20 more. How many erasers does she have now?

• 86

• 77

• 76

Tags

CCSS.2.NBT.B.6

89 + 10 =

• 98

• 99

• 109

Tags

CCSS.2.NBT.B.5

Sammy baked 61 cookies on Monday. She baked 20 cookies on Tuesday. How many total cookies did she bake?

• 91

• 82

• 81

Tags

CCSS.2.OA.A.1

65 + 23 =

• 88

• 98

• 87

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Chris has 35 video games. He buys 44 more. How many video games does he have in all?

• 78

• 79

• 89

Tags

CCSS.2.NBT.B.6

Cam has 55 pieces of candy. His friend Tony gave him 13 pieces more. How many pieces of candy does Cam have altogether?

• 78

• 67

• 68

Tags

CCSS.2.OA.A.1

41 + 36 =

• 77

• 76

• 87

Tags

CCSS.2.NBT.B.5

Ben has 25 green marbles and 34 blue marbles. How many marbles does Ben have altogether? Which hundreds chart shows the correct way to solve this problem?

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Tags

CCSS.2.NBT.B.6