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Estimate!
Multiply!
Expand it!
100

Factor



A number that is multiplied

100

Daisy’s dog weighs 2 times as much as her cat. Her cat weighs 6 pounds. How much does her dog weigh?

12

dog- 6   6 = 12

cat- 6

6 x 2 = 12

100

25 x 5 =

150

100

32 x 3 =

96

100

Rewrite the multiplication problem using expanded form, and solve:

14 x 2 =    

__ x__=

__x__= 


14 x 2 

10 x 2 =  20

4 x 2 = 8

20 + 8 = 28

200

Product

The answer to a multiplication problem

200

Sam has 4 times as many jellybeans as Mark. Mark has 3 jellybeans. How many does Sam have?

12

Sam- 3  3   3   3  = 12

Mark-  3

3  x  4 =12

200

785 x 7 =

5,600

200

204 x 2= 

408

200

Rewrite the multiplication problem using expanded form, and solve:

35 x 5 =

__ x __

__ x __

35 x 5

30 x 5= 150

5 x 5 = 25

150+25=175

300

Estimate

Find a close answer

300

Talia has 4 times as many jellybeans as Miriam. Talia has 28 jellybeans. How many jellybeans does Miriam have?

7

Talia- 7  7  7  7 = 28

Miriam-  7 

4 x 7 = 28

300

648 x 9 =

5,400

300

547 x 4 =

2,188

300

Rewrite the multiplication problem using expanded form, and solve:

203 x 5 =

203 x 5=

200 x 5 = 1,000

3 x 5 =15

1,000+ 15 = 1,015

400

Equation

a math problem written with numbers

400

Jonah has 3 times as many Hershey Kisses as Alex. Jonah has 18 Hershey Kisses. How many Hershey Kisses does Alex have?

6

Jonah-  6   6    6 =18

Alex-  6

3 x 6 = 18

400

Is the product reasonable?  (Estimate to decide)

432 x 5 =200

No

400

2,305 x 5=

11,525

400

Rewrite the multiplication problem using expanded form, and solve:

451 x 4=


451 x 4= 

400 x 4 = 1,600

50 x 4 =200

1 x 4 = 4

1,600 + 200 + 4 = 1,804

500

Expanded Form

A number written as an addition problem tht shows the value of each digit

500

Emily has 4 times as many stickers as Alana.

Together they have 35 stickers. How many stickers does Emily have?

28

Emily- 7  7  7  7

Alana- 7

5 x 7 =35  and 7 x 4 = 28

500

Is the product reasonable?  (Estimate to decide)

3,650 x 4 =20,600

No

500

4,543 x 7 =

31,801

500

345 x 3 =

345 x 3 =

300 x 3= 900

40 x 3 = 120

5 x 3 = 15

900 + 120 + 15 = 1,035