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Double Digit Multiplication and Prime Factorization
Double Digit By Triple Digit Multiplication & Prime Factorization
Multiplying by Multiples of 10
Multiplication Word Problems
Distributive Property
100
12 X 32
What is 384
100

123 X 21



Round the first digit to the hundreds place. Round the 2nd number to the tens place. Find the estimate. 

2,000

100

98 X 10^2

9,800

100
Each extension cord is 33 feet long. What is the total length of 36 extension cords?
What is 1,188
100

9 x 44

396

200

Prime factorization of 24....

2x2x2x3

200

Prime Factorization of 42

2x3x7

200

DAILY DOUBLE 


How would you write out this expression? 10^9 power

10x10x10x10x10x10x10x10x10

or 

1,000,000,000

200
Alicia bought 47 packages of paper towels. There were 19 rolls in each package. How many rolls of paper towels did Alicia buy?
What is 893
200

7 x 125

875

300
63 X 75
What is 4,725
300
542 X 56
What is 30,352
300

72 X 10^1

720

300
There are 91 polka dots on each dress. How many polka dots are there on 80 dresses?
What is 7,280
300

9 x 78

702

400
87 X 46
What is 4,002
400
472 X 63
What is 29,736
400

8 x 10^4

80,000

400
A cookie factory produced 42 packages of cookies. There were 76 cookies in each package. How many cookies did the factory produce in all?
What is 3,192
400

DAILY DOUBLE 


6 x 424

2,544

500

Prime Factorization of 88

2x2x2x11

500
876 X 95
What is 83,220
500

39 X 10^3 

39,000

500
A hospital ordered 98 boxes of cotton swabs. There were 62 cotton swabs in each box. How many cotton swabs did the hospital order in all?
What is 6,076
500

8 x 98... Use the distributive property to multiply

784