With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 11 - 2 = ?

Addition and subtraction within 20 by making ten worksheets, solved worksheet problems or exercises with step-by-step work, formative assessment as online test, calculator and more learning resources to learn, practice, assess and master the basic math skills of algebra.

Addition and Subtraction within 20 by Making Ten

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Grade
School

Date
Questions10
Score

1

2

With an emphasis on making ten, find the sum by composing/ decomposing numbers in the equation 9 + 5 = ?

3

With an emphasis on making ten, find the sum by composing/ decomposing numbers in the equation 4 + 9 = ?

4

With an emphasis on making ten, find the sum by composing/ decomposing numbers in the equation 3 + 9 = ?

5

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 15 - 11 = ?

6

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 12 - 8 = ?

7

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 14 - 8 = ?

8

With an emphasis on making ten, find the sum by composing/ decomposing numbers in the equation 12 + 3 = ?

9

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 15 - 13 = ?

10

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 14 - 12 = ?

Solved Worksheet Problems

1

11 - 2 = 11 - 1 - 1 = 10 - 1 = 9

= 11 - 2

= 11 - 1 - 1

= 10 - 1

= 9

= 11 - 1 - 1

= 10 - 1

= 9

2

With an emphasis on making ten, find the sum by composing/ decomposing numbers in the equation 9 + 5 = ?

9 + 5 = 4 + 5 + 5 = 4 + 10 = 14

= 9 + 5

= 4 + 5 + 5

= 4 + 10

= 14

= 4 + 5 + 5

= 4 + 10

= 14

3

With an emphasis on making ten, find the sum by composing/ decomposing numbers in the equation 4 + 9 = ?

4 + 9 = 4 + 6 + 3 = 10 + 3 = 13

= 4 + 9

= 4 + 6 + 3

= 10 + 3

= 13

= 4 + 6 + 3

= 10 + 3

= 13

4

With an emphasis on making ten, find the sum by composing/ decomposing numbers in the equation 3 + 9 = ?

3 + 9 = 3 + 7 + 2 = 10 + 2 = 12

= 3 + 9

= 3 + 7 + 2

= 10 + 2

= 12

= 3 + 7 + 2

= 10 + 2

= 12

5

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 15 - 11 = ?

15 - 11 = 15 - 5 - 6 = 10 - 6 = 4

= 15 - 11

= 15 - 5 - 6

= 10 - 6

= 4

= 15 - 5 - 6

= 10 - 6

= 4

6

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 12 - 8 = ?

12 - 8 = 10 + 2 - 8 = 10 - 6 = 4

= 12 - 8

= 10 + 2 - 8

= 10 - 6

= 4

= 10 + 2 - 8

= 10 - 6

= 4

7

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 14 - 8 = ?

14 - 8 = 14 - 4 - 4 = 10 - 4 = 6

= 14 - 8

= 14 - 4 - 4

= 10 - 4

= 6

= 14 - 4 - 4

= 10 - 4

= 6

8

With an emphasis on making ten, find the sum by composing/ decomposing numbers in the equation 12 + 3 = ?

12 + 3 = 5 + 7 + 3 = 5 + 10 = 15

= 12 + 3

= 5 + 7 + 3

= 5 + 10

= 15

= 5 + 7 + 3

= 5 + 10

= 15

9

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 15 - 13 = ?

15 - 13 = 10 + 5 - 13 = 10 - 8 = 2

= 15 - 13

= 10 + 5 - 13

= 10 - 8

= 2

= 10 + 5 - 13

= 10 - 8

= 2

10

With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 14 - 12 = ?

14 - 12 = 10 + 4 - 12 = 10 - 8 = 2

= 14 - 12

= 10 + 4 - 12

= 10 - 8

= 2

= 10 + 4 - 12

= 10 - 8

= 2

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