Exponents
Multi-digit multiplication
Different strategies and estimation
Word Problems
Vocabulary
100

Write the exponent in expanded form.

10 to the 5th power.

10x10x10x10x10

100

Use any strategy below to solve.

40 x 2 =

80

100

What strategy do you use when putting the numbers first in expanded form, then into boxes to multiply?

Area model

100

The soccer field at recess is 618 feet long and 32 feet wide. About how much area is the soccer field?

600x30= 18,000

About 18,000 square feet

100

The _____ of a number written in exponential form tells you how many times the base is multiplied by itself.

Exponent

200

What is the product of the exponent below?

10 to the 8th power.

100,000,000

200

Solve below using the AREA MODEL.

67x54=

3,618

200

What is the strategy where you expand the equation and then add the numbers vertically by stacking?

Partial products

200

Rube charges $47 per piece of artwork that she sells. Rube sells 5 pieces of art in 2 days. How much money did she make? Use whatever strategy you would like.

$235

200

To estimate a solution you can ______ the values used before performing the task at hand.

round

300

Which number is the base number?

10 to the 3rd power.

The 10 or the 3?

10

300

Solve below using partial products. (vertical)

564x23= 

12,972

300

This strategy is commonly known as stacking.

Algorhithm

300

Klinton orders a new flat screen TV to game. It is 55 inches long and 45 inches wide. How much wall space does his new TV cover? Use which every strategy you would like.

2,475 square inches

300

An ______ is a set of steps used to solve a problem, commonly known as stacking.

Algorithm

400

What is the product below?

34 x 10 to the 7th power = 

340,000,000

400

Solve below in any way you would like.

954x21=

20,034

400

Estimate the problem below and give the estimation.

456x98=


500x100=50,000

400

The average attendance at Marryn's softball games is 567 people. She has 12 home games this season. How many people attended those 12 home games this season? Give an estimate AND an exact answer.

600x10= about 6,000 people

567x12= 6,804 people

400

An ______ is an approximate solution to a problem.

estimate
500

What is the missing exponent?

84 x _______ = 84,000,000,000

10 to the 9th power

500

Solve below in anyway you would like.

453x213=

96,489

500

What is the estimate for the problem below? Write the answer as well for the estimate.

850x12=

900x10=9,000

500

The theater holds 2,785 seats. For Anna's 24 ochestra performances this year, every seat was filled. How many people saw the show?

66,840 people

500

The _______ _________ of a number includes a base raised to a power called the exponent. 

exponential form