# Addition and subtraction

To 10

• Addition

• Subtraction

• Addition and subtraction

From 10 to 20

• Addition

• Subtraction

• Addition and subtraction

To 20

• Addition

• Subtraction

• Addition and subtraction

To 100

• Addition and subtraction №1

• Addition and subtraction №2

• Addition and subtraction №3

2 + 3 =

2 + 6 =

4 + 4 =

1 + 5 =

1 + 8 =

2 + 2 =

3 + 7 =

1 + 2 =

4 + 5 =

1 + 6 =

1721109873775.1436
1
*Tests to test the knowledge of addition and subtraction in the range of 10, 20 and 100*