Multiply with multiples of 10

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

What does it mean to multiply by a multiple of 10?

Back

Multiplying by a multiple of 10 means you are multiplying a number by 10, 20, 30, etc. This makes it easier to calculate because you can just add a zero to the end of the number.

Front

Calculate 4 x 80.

Back

320

Front

Calculate 5 x 80.

Back

400

Front

Calculate 50 x 5.

Back

250

Front

Calculate 4 x 90.

Back

360

Front

Calculate 7 x 80.

Back

560

Front

What is the product of 10 and any number?

Back

The product of 10 and any number is that number followed by a zero. For example, 10 x 6 = 60.

Front

What is the product of 20 and 3?

Back

60

Front

What is the product of 30 and 2?

Back

60