Multiplying by 10's

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3).

Front

What does it mean to multiply by 10?

Back

Multiplying by 10 means increasing a number ten times. For example, 5 x 10 = 50.

Front

How do you multiply a number by 20?

Back

To multiply a number by 20, you can multiply it by 2 and then add a zero. For example, 4 x 20 = (4 x 2) followed by a zero = 80.

Front

What is 3 x 10?

Back

30

Front

What is 5 x 10?

Back

50

Front

What is 6 x 10?

Back

60

Front

What is 4 x 50?

Back

200

Front

What is 9 x 20?

Back

180

Front

If you have 7 sets of 10, how many do you have in total?

Back

70

Front

What is 8 x 30?

Back

240