Area Models

Area Models

Algorithm

Zeroes

Distributive Property

Random

100

25x45

1,125

100

65x80

5,200

100

60x40

2,400

100

37x22

800

100

Give an example of mental math.

Example:

30x50

4x60

2,400+200+70

200

63x54

3,402

200

24x50

1,200

200

700x9

6,300

200

87x41

3,600

200

Give an example of the commutative property.

3x4=12

4x3=12

300

15x28

420

300

48x60

2,880

300

4,000x12

48,000

300

49x16

1,000

300

Mrs. Viera drives 40 miles to work every week. She does this for 52 weeks (1 year). How many miles does she drive in one year?

2,080 miles

400

47x64

3,008

400

32x60

1,920

400

800x20

16,000

400

25x12

300

400

Ms.Benzer jogs for 45 minutes every day. How many minutes would she jog if she did this for 32 days?

1,440 minutes

500

65x41

2,665

500

78x20

1,560

500

400x19

7,600

500

88x65

6,300

500

Ms.Hepner sends her friend 36 emails a month. How many emails would she have sent if she does this for 15 months?

540 emails

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