Powers of 10 and Understanding Exponents
Estimating Products
Area Model
Partial Products
Algorithm
100

Write the exponential form as a multiplication expression: 10^6

10x10x10x10x10x10

100

What is a reasonable estimate for 68x221?

70x200

100

Set up (don't have to solve!) an area model for 1,456 x 53

Mrs. Campbell will have to confirm!

100

Use partial products to solve: 28x54

1,512

100

Solve 52x3

156

200

What is the missing exponential form that completes this equation?

42x ________= 420,000

10^4

200

Estimate the product: 232x13

200x10= 2,000

200

Make and solve an area model for 48 x 4

192

200

Use partial products to solve: 137 x 19

2,603

200

What is the product? 573x63

36,099

300

Write the exponential form for: 100,000

10^5

300

About how much is the area for a football field that measures 416 feet long and 52 feet wide?

400x50= 20,000 feet

300

Make and solve an area model for 134 x 5

670
300

A store sold iPhones for $499. They sold 22 phones. How much money did they get?

$10,978

300

A bus company charges $83 to ride from Alliance to New York. During the last trip, the bus had 42 fares. How much money did the bus company earn?

$3,486

400

A square has a side length of 10. Choose all the ways to represent the area of the square. 

A. 10x2

B. 10+10+10+10

C. 10^2

D. 10x10

E. 40

F. 100

C,D,F

400

A new book at the store costs Amiyah $18. The bookstore sells 213 copies of the book. About how much money did the bookstore make?

20x200= $4,000

400

What product is shown by the area model?

D

400

Which sum shows how to calculate 64 x 538 using partial products?

B

400

A poster measures 68 inches by 45 inches. How much area does the poster cover?

3,060 inches

500

Ariya reviews 10^3 lines for a computer program. How many lines does she review?

10x10x10= 1,000

500

Mrs. Campbell estimated that the product of 605 and 56 is 3,600. Is she correct?

No. 600x60= 36,000

500

Which product is shown by the area model?

D

500

Which sum shoes how to calculate 26 x 648?

A

500

4,153 people came to the Alliance vs. Marlington football game. If admission was $8, how much money did Alliance earn?

$33,224