Properties of Equality

Front

What is the subtraction property of equality?

Back

If two expressions are equal, subtracting the same number from both sides keeps the equality true.

Front

What is the addition property of equality?

Back

If two expressions are equal, adding the same number to both sides keeps the equality true.

Front

What is the multiplication property of equality?

Back

If two expressions are equal, multiplying both sides by the same number keeps the equality true.

Front

What is the division property of equality?

Back

If two expressions are equal, dividing both sides by the same non-zero number keeps the equality true.

Front

Back

Front

Back

Front

Back

Yes, because each side is multiplied by the same number.

Front

Back

Front

Back

No, because a different number is added to each side.

Front

What does it mean to maintain equality in an equation?

Back

It means that any operation performed on one side must also be performed on the other side to keep both sides equal.