Use blocks to add.

10 + 3 =

Use blocks to add.

10 + 6 =

Use blocks to add.

10 + 8 =

Use blocks to add.

10 + 5 =

Use blocks to add.

10 + 8 =

Use blocks to add.

10 + 7 =

Use blocks to add.

10 + 2 =

Use blocks to add.

10 + 1 =

Use blocks to add.

10 + 9 =

Use blocks to add.

10 + 10 =

Use blocks to add.

10 + 4 =

Use blocks to add.

10 + 5 =

Use blocks to add.

10 + 9 =

Use blocks to add.

10 + 7 =

Use blocks to add.

10 + 4 =