Operations on whole numbers

Front

What is subtraction?

Back

Subtraction is the operation of finding the difference between two numbers. For example, in 154 - 72, we find how much less 72 is than 154.

Front

What is the result of 154 - 72?

Back

82

Front

What is the result of 45 - 39?

Back

6

Front

What is division?

Back

Division is the operation of splitting a number into equal parts. For example, 270 ÷ 3 means splitting 270 into 3 equal parts.

Front

What is the result of 270 ÷ 3?

Back

90

Front

What is multiplication?

Back

Multiplication is the operation of adding a number to itself a certain number of times. For example, 12 x 2 means adding 12 two times.

Front

What is the result of 12 x 2?

Back

24

Front

What is the result of 9 x 6?

Back

54

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the numbers does not change the sum. For example, 3 + 5 = 5 + 3.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers does not change the product. For example, 4 x 2 = 2 x 4.