5.1 - 5.3 Review

Multiplication

100

9 x 500

4500

200

21 x 9

189

300

120 x 4

480

400

8 x 500

4000

500

8 x 9 = 

8 x 90 = 

8 x 900 =

 
MUST SOLVE ALL CORRECTLY FOR POINTS 

72

720

7200

Mental Math: Find Quotients

100

2000 divided by 5 = 

400

200

7200 divided by 8 = 

900

300

4800 divided by 6 =

800

400

Which basic fact helps to solve 180 divided by 6? 

What is 180 divided by 6? 

MUST SOLVE BOTH TO GET POINTS

18 / 6 

30

500

Milo orders 240 bones and divides them equally among his 3 puppy pals. How many bones does each puppy pal receive? What basic fact did you use? 

80 bones 

24 divided by 3 

Mental Math: Estimate Quotients

100

49 / 5 =

About 50 

200

232 / 9

About 30

300

662 / 8

About 80

400

813 / 8

About 100

500

7193 / 8

About 900

Estimate Quotients for Greater Dividends

100

63 / 2

About 30

200

281 / 3

About 90

300

5,684 / 9

About 600

400

1524 / 7

About 200 

500

2120 / 5

About 400

Mixed

100

22 x 15

330

200

3278 + 4319 = 

7597

300

Jack mows 7 lawns every week. He earns $10 for mowing each lawn. How much will he earn in 6 weeks? 

$420

400

825 - 789 = 

36

500

4347 x 4 = 

17,388