Factors and Products
Properties of Multiplication
Patterns in Multiplication
Estimate Products
Multiply Two Digits
100

9+9+9+9

9x4

100

9x7= 7x9

communative

100

70x6

700x6

7000x6

420

4200

42000

100

87x62

90x60= 5400
100

46x81

3,726
200

2+2+2+2+2+2

2x6

200

2x(6x3)=(2x6)x3

assosiative

200

10x10

100x10

1000x10

100

1000

10,000

200

$17.24x108

$20.00x100= $2,000.00

200

91x23

2,093

300

7+7+7+7

7x4

300

3x1=3

identity

300

20x60

200x60

2000x60

1,200

12,000

120,000


300

$95.17x13

$100.00x10= $1000.00

300

71x83

5,893

400

5+5+5

5x3

400

1x0= 0

zero or identity 

400

80x80

800x80

8000x80

1,600

16,000

160,000

400

793x547

800x500=400,000
400

73x63

4,599

500

1+1+1+1+1+1+1

1x7

500

0x6=0

zero

500

50x70

500x70

5000x70

3,500
35,000

350,000

500

161x780

200x800=160,000
500

81x72

5,832

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