# Addition and Subtraction within 20 by Making Ten: Worksheets, Online Test and Calculators

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
Name
Date

1
With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 11 - 2 = ?
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
With an emphasis on making ten, find the difference by composing/ decomposing numbers in the equation 11 - 2 = ?
11 - 2 = 11 - 1 - 1 = 10 - 1 = 9
= 11 - 2
= 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
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
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
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
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
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
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
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
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

## Worksheet: Addition and Subtraction within 20 by Making Ten

Addition and subtraction within 20 by making ten worksheet is the largest collection of practice problems and solved exercises which can be served as homework, classwork or assignment problems for the students to learn, practice, assess, iterate and master the skills of how to solve such algebra problems in basic mathematics. 