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Practice Addition & Subtraction Facts

Adding by 9 by Subtracting 1

A Great way to start Learning to Add by 9 is to go over Subtracting by 1.

If you Make 9 into a 10, all you need to do is take away 1 from the Other Addend, (Example: 10 + 5 could be written:

10 + (5-1) or 10 + 4 which, of course = 14.

You might l find this a quick way to remember the 6 Addition Facts.

Here are 2 Sets of Flash Cards in pdf form.

Contact us if you need more information.

Subtracting by 1
Adding by 9

Adding by 8 by Subtracting 2

A Great way to start Learning to Add by 8 is to go over Subtracting by 2.

If you Make 8 into a 10, all you need to do is take away 2 from the Other Addend, (Example: 8 + 5 could be written:

10 + (5-2) or 10 + 3 which, of course = 13.

You might l find this a quick way to remember the 8 Addition Facts.

Here are 3 Sets of Flash Cards in pdf form.

Contact us if you need more information.

Subtracting by 2
Adding by 8
Solve for Unknown In 8

Adding by 6 by Subtracting 4

A Great way to start Learning to Add by 6 is to go over Subtracting by 4.

If you Make 6 into a 10, all you need to do is take away 4 from the Other Addend, (Example: 6 + 5 could be written:

10 + (5-4) or 10 + 1 which, of course = 11.

You might l find this a quick way to remember the 6 Addition Facts.

Here are 2 Sets of Flash Cards in pdf form.

Contact us if you need more information.

Subtracting by 4
Adding by 6