Multiples of 10- 4.NBT-5

Multiplying Multiples

4.NBT.5
I can use the properties of operations to multiply whole numbers.

Multiple Choice

Review:

A library plans to change all the light bulbs from incandescent to LED as an effort to use less energy. There are 8 light bulbs above the front desk. How much will it cost to put new LED lights above the front desk?

• $316

• $288

• $278

• $48

Multiple Choice

ten x ten =

10 x 10 =

• 1

• 10

• 100

• 1,000

Multiple Choice

10 x ____ = 100

• 1,000

• 100

• 10

• 1

Multiple Choice

20 x ____ = 1,000

• 500

• 50

• 5

• 1

Multiple Choice

____ x 90 = 8,100

• 90

• 9

• 900

• 20

Multiple Choice

Find 50 x 20.

How many zeros are in the product?

• 100

• 1000

• 10,000

• 700

Multiple Choice

60 x 20

• 100

• 1000

• 10,000

• 700

Math Response

Hint: 60 x __ = 4200

Type answer here

Correct Answer: 60\times70=4200

Deg^°

Rad

Open Ended

James walked 30 minutes a day for 90 days. How many minutes did James walk altogether?

Multiple Select

Select all of the expressions that have a product of 1,600.

• 20 x 80

• 20 x 60

• 40 x 40

• 60 x 30

• 90 x 20

Draw

The principal of your school needs to order supplies for 20 new classrooms. Each classroom needs the following items: 20 desks, 30 chairs, and 40 pencils. How many of each item does the principal need to order? Solve this problem any way you choose.