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Use Partial Products
Use Area Model
Use Distributive Property
Use Standard Algorithm
Word Problems
100

13 x 3

9 (3 x 3)

30 (3 x 10)

9 + 30 = 39

100

32 x 2

64

100

11 x 9

(10 + 1) x 9

(10 x 9) + (1 x 9)

90 + 9 = 99

100

58 x 9

522

100

Hillary's mom ordered 375 cupcakes. Each cost $3. She also ordered $125 in cookies. How much money did she spend on desserts?

$1,250

200

46 x 2

12 (2 x 6)

80 (2 x 40)

12 + 80 = 92

200

27 x 8

216

200

32 x 4

(30 + 2) x 4

(30 x 4) + (2 x 4)

120 + 8 = 128

200

72 x 6

432

200

Mrs. Batter brews 38 pots of coffee each week. Each pot uses 8 scoops of coffee beans. How many scoops of coffee beans does Mrs. Batter use in 9 weeks?

2,736 scoops

300

71 x 12

2 (2 x 1)

140 (2 x 70)

10 (10 x 1)

700 (10 x 70)

2 + 140 + 10 + 700 = 852

300

13 x 59

767

300

12 x 15

12 x (10 + 5)

(12 x 10) + (12 x 5)

120 + 60 = 180

300

1,240 x 7

8,680

300

Harlow's dad bought 8 dozen chocolate donuts and 5 dozen glazed donuts for breakfast for Harlow and her friends. How many donuts did her dad buy?

Hint: 1 dozen = 12 donuts

156 donuts

400

111 x 5

5 (5 x 1)

50 (5 x 10)

500 (5 x 100)

5 + 50 + 500 = 555

400

544 x 5

2720

400

8 x 43

8 x (40 +3)

(8 x 40) + (8 x 3)

320 + 24 = 344

400

18 x 54

972

400

Mr. Batter made 16 sheets of chocolate chips each day for four days. Each sheet had 12 cookies on it. How many cookies did Mr. Batter make over the four days?

768 cookies

500

33 x 44

12 (4 x 3)

120 (4 x 30)

120 (40 x 3)

1,200 (40 x 30)

12 + 120 + 120 + 1,200 = 1,452

500

1,256 x 9

11,304

500

157 x 20

(150 + 7) x 20

(150 x 20) + (7 x 20)

3,000 + 140 = 3,140

500

381 x 24

9,144

500

What is a second method to find the answer to the above question?

16 x 12 = 192

192 x 4 = 768 cookies

OR

16 x 4 = 64

64 x 12 = 768 cookies