Multiplication by 1-digit numbers, 10, 100 &1000

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. 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 a number by 10 shifts its digits one place to the left, effectively increasing its value tenfold. For example, 5 x 10 = 50.

Front

What does it mean to multiply by 100?

Back

Multiplying a number by 100 shifts its digits two places to the left, increasing its value one hundredfold. For example, 6 x 100 = 600.

Front

What does it mean to multiply by 1000?

Back

Multiplying a number by 1000 shifts its digits three places to the left, increasing its value one thousandfold. For example, 4 x 1000 = 4000.

Front

How do you calculate 50 x 100?

Back

50 x 100 = 5000.

Front

What is a dozen?

Back

A dozen is a group of twelve items. For example, 1 dozen eggs equals 12 eggs.

Front

How many golf balls are in 3 dozen?

Back

3 dozen golf balls = 3 x 12 = 36 golf balls.

Front

What is the expression to find total production in 3 hours if a factory produces 2,354 items per hour?

Back

The expression is (3 x 2,000) + (3 x 300) + (3 x 50) + (3 x 4).

Front

What is the result of 228 x 9?

Back

228 x 9 = 2,052.

Front

If Mr. Ward flew 742 miles in two days and 378 miles the first day, how far did he fly the second day?

Back

742 - 378 = 364 miles.