Multiplying by tens

Front

What is the result of multiplying 30 by 40?

Back

1200 or 1,200

Tags

CCSS.4.NBT.B.5

Front

What is the result of multiplying 90 by 90?

Back

8100 or 8,100

Tags

CCSS.4.NBT.B.5

Front

What is the result of multiplying 90 by 60?

Back

5400

Tags

CCSS.4.NBT.B.5

Front

What is the result of multiplying 50 by 7?

Back

350

Tags

CCSS.4.NBT.B.5

Front

What is the result of multiplying 70 by 90?

Back

6300 or 6,300

Tags

CCSS.4.NBT.B.5

Front

What is the general rule for multiplying numbers by 10, 100, or 1000?

Back

When multiplying by 10, 100, or 1000, you can add the corresponding number of zeros to the end of the other number.

Tags

CCSS.5.NBT.B.7

Front

How do you multiply two numbers that are both multiples of 10?

Back

Multiply the non-zero digits and then add the total number of zeros from both numbers to the result.

Tags

CCSS.5.NBT.B.7

Front

What is the product of 4 and 20?

Back

80

Tags

CCSS.3.NBT.A.3

Front

What is the product of 6 and 30?

Back

180

Tags

CCSS.4.NBT.B.5

Front

How can you simplify the multiplication of 50 by 6?

Back

You can calculate 50 x 6 as (5 x 6) x 10 = 30 x 10 = 300.

Tags

CCSS.4.NBT.B.5