Dividing - Mental Math (Powers of 10)

Use mental math to find the missing number.

1,800 ÷ ___ = 90

• 10

• 20

• 30

• 200

Tags

CCSS.4.NBT.B.6

David earned $6,000 at the bookstore. If he worked for 30 weeks and earned the same amount of money each week, how much did he earn each week?

• 60

• 10

• 1000

• 200

Tags

CCSS.3.OA.A.3

Use mental math to find the missing number.

2,400 ÷ 30

• 8

• 80

• 800

• 8000

Tags

CCSS.4.NBT.B.6

A truck travels 1,400 miles in 700 hours, going the same distance each hour. How many miles does the truck travel each hour?

• 2

• 24

• 2,100

• 20

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Use mental math to find the missing number.

___ = 2,700 ÷ 90

• 300

• 2,610

• 2,790

• 30

Tags

CCSS.4.NBT.B.6

Use mental math to find the missing number.

6,400 ÷ ___ = 80

• 8

• 80

• 800

• 8000

Tags

CCSS.4.NBT.B.6

Eight friends won the grand prize in the raffle. They won 2,400 digital song downloads. How many songs can each of the friends download if they divide the prize equally?

• 2408

• 2392

• 30

• 300

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2