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Name
Grade
School

Date
Questions10
Score

1

What is 10 less than a number 20

2

What is 10 more than a number 86

3

What is 10 more than a number 82

4

What is 10 less than a number 41

5

What is 10 less than a number 63

6

What is 10 more than a number 70

7

What is 10 more than a number 63

8

What is 10 less than a number 61

9

What is 10 more than a number 79

10

What is 10 less than a number 29

Answers Key

1

What is 10 less than a number 20

20 - 10 = 10

2

What is 10 more than a number 86

86 + 10 = 96

3

What is 10 more than a number 82

82 + 10 = 92

4

What is 10 less than a number 41

41 - 10 = 31

5

What is 10 less than a number 63

63 - 10 = 53

6

What is 10 more than a number 70

70 + 10 = 80

7

What is 10 more than a number 63

63 + 10 = 73

8

What is 10 less than a number 61

61 - 10 = 51

9

What is 10 more than a number 79

79 + 10 = 89

10

What is 10 less than a number 29

29 - 10 = 19

The CCSS.MATH.1.NBT.C.5 worksheets with answers for 1st grade students to practice problems on Mentally find 10 more or 10 less than a given two-digit number without having to count by ones and explain the reasoning used is available online for free in printable and downloadable (pdf & image) format. For more questions and answers on 1.NBT.C.5 math activities, tap on generate new worksheet to learn, practice, test and verify math skills under the common core cluster (1NBTC) Use place value understanding and properties of operations to add and subtract in domain number and operations in base ten.

Objective:

To practice these math problems of 1.NBT.C.5 worksheets, students are required to mentally find 10 more or 10 less than a given two-digit number without having to count by ones and explain the reasoning used. Users can directly refer the answer key to verify the work with steps for the corresponding practice problems given in the 1.NBT.C.5 activities under common core state standards for 1st grade mathematics.

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Kitty

Hey! I'm Kitty

I can answer you simple math queries!

Hey! I'm Kitty

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