Multiply and Divide Using Place Value

3.12 x 1,000

• 31.2

• 0.312

• 3,120

• 312.0

19,340 x 1,000

• 19.340

• 19,340,000

• 0.19340

• 1.934

The school library has 36 shelves of books. Each shelf can hold 42 books. How many books can the shelves in the library hold all together?

• 78 books

• 216 books

• 1,302 books

• 1,512 books

When will the decimal point in 0.45 move one place to the right?

• When you multiply by 100

• When you multiply by 10

• When you divide by 100

• When you divide by 10

10 times as many as ______ is 30 tens or 3 hundreds.

• 3 tens

• 30 tens

• 300 tens

• 3 hundreds

72 tens divided by 9 tens = ?

• 8

• 80

• 800

I was asked to solve 1,420 divided by 5. He decides to break the number into three numbers that can be divided by 5. He divides each of the numbers by 5 then adds the 3 quotients together for his final answer. Which numbers could I use to break down 1,420? Select 3 answers.

• 20

• 42

• 142

• 400

• 1,000

Aria earned 13 scout badges in one year. Her whole troop earned ten times that number of badges. How many badges did Aria’s troop earn?

• 13

• 130

• 100

• 140

8 x 1,000

• 8 x 10

• 8 x 100

• 800

• 8,000

If you multiply 567 by 1,000, which of the following will you get?

• 567,000

• 56,700

• 5,670

• 567