Basic Facts
Multiplication
Order of Operations
Properties of Multiplication
Rounding
100

7 x 9

63

100

24 x 3

72

100

( 2 x 3) + 7

13

100

What Property is shown:


3 x 2 = 2 x 3

Commutative Property of Multiplication

100

Estimate:


2536 x 4

12,000

200

4 x 8

32

200

32 x 6

192

200

( 4 x 5 ) + 6

20 + 6 = 26

200

What Property is shown?

( 4 x 3) x 2 = 4 x ( 3 x 2)

Associative Property of Multiplication

200

Estimate:


3246 x 3

9,000

300

12 x 2

24

300

45 x 4

180

300

( 9 x 2 ) + ( 4 x 6)

18 + 24 = 42

300

What Property is shown:


34 x 1 = 34

Identity Property of Multiplication

300

Estimate:

5,523 x 4

24,000

400

8 x 3

24

400

73 x 6

438

400

( 2 + 3) x ( 9 + 4) 

6 x 13 = 78

400

Which Property is shown:


24 x 0 = 0

Zero Property of Multiplication

400

Tom earned $1,956 each week for 4 weeks. About how much did he earn at the end of the month?


He earned about $8,000

500

9 x 6

54

500

98 x 6

588

500

( 8 + 9 ) x ( 7 + 3) 

 17 x 10 = 170

500

Which Division Rule is shown?


24 / 1 = 24

Ones in Division

500

John earned $390 each week and Tyler earned about $320 each week. If they both worked for 2 weeks, about how much did they earn together?

John earned about $800 and Tyler earned about $600. So, together they both earned about $1,400