Basic operations with multi-digit numbers

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 x 3 means adding 4 three times (4 + 4 + 4 = 12).

Front

What is addition?

Back

Addition is a mathematical operation that combines two or more numbers to get a total. For example, 2 + 3 = 5.

Front

What is a multi-digit number?

Back

A multi-digit number is a number that has two or more digits. For example, 2761 and 452 are multi-digit numbers.

Front

How do you multiply a multi-digit number by a single-digit number?

Back

To multiply a multi-digit number by a single-digit number, multiply each digit of the multi-digit number by the single-digit number, starting from the rightmost digit.

Front

What is the product of 2761 x 5?

Back

13805

Front

What is the sum of 236 + 452?

Back

688

Front

What is the product of 64 x 62?

Back

3968

Front

What is the product of 19 x 54?

Back

1026

Front

What is the sum of 4895 + 8264?

Back

13159

Front

What is the commutative property of addition?

Back

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