# Mental Math for Addition and Subtraction Equations

## Solve simple addition/subtraction equations mentally.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Mental Math for Addition and Subtraction Equations

Solve single variable addition and subtraction equations by using mental math
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## Mental Math for Addition and Subtraction Equations

Solve single variable addition and subtraction equations by using mental math
MEMORY METER
This indicates how strong in your memory this concept is
0

## Mental Math for Addition and Subtraction Equations

Find out how to use mental math to solve single variable addition and subtraction equations.
MEMORY METER
This indicates how strong in your memory this concept is
0
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