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Estimating and Subtracting with 2-Digit Numbers

Authored by Anthony Clark

English

2nd Grade

CCSS covered

Estimating and Subtracting with 2-Digit Numbers
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lily has 34 apples and she buys 27 more. How many apples does she have now? Estimate the total before adding.

45

70

50

61

Tags

CCSS.2.NBT.B.5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tom has 56 marbles. He gives away 29 marbles to his friends. How many marbles does he have left? Use a number line to help you subtract.

25

30

40

27

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bakery made 45 cupcakes in the morning and 38 cupcakes in the afternoon. How many cupcakes did they make in total? Estimate the sum first.

75

83

90

100

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sarah read 23 pages of her book on Monday and 19 pages on Tuesday. How many pages did she read in total? Use a number line to find the answer.

42

45

40

38

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a toy store, there are 48 toy cars and 27 toy trucks. How many toys are there in total? Estimate the total number of toys first.

75

60

80

70

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jake has 72 stickers. He loses 15 stickers. How many stickers does he have now? Use a number line to help you find the answer.

45

57

72

60

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A farmer has 65 chickens and buys 24 more. How many chickens does he have altogether? Estimate the sum before calculating.

75

100

80

89

Tags

CCSS.2.NBT.B.5

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