Mental Math 1: Final Review

Front

357 + 299

Back

656

Front

859 - 159

Back

700

Front

8 • 600

Back

4800

Front

Double 84

Back

168

Front

4000 ÷ 100

Back

40

Front

What is mental math?

Back

Mental math is the ability to perform calculations in your head without using a calculator or paper.

Front

What does 'double' mean in math?

Back

To double a number means to multiply it by 2.

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What is multiplication?

Back

Multiplication is the process of adding a number to itself a certain number of times.