Multiplication

Multiply by powers of 10

100

8 x 10

8 x 100

8 x 1,000

80

800

8,000

200

13 x 1,000

13,000

300

134 xx 10^3

134,000

400

600 xx 10^2

60,000

500

5,400 xx 10^5

540,000,000

Estimating Products

100

Estimate:

3 x 41

3 x 40 = 120

200

Estimate:

24 x 32

20 x 30 = 600

300

Estimate:

541 x 37

500 x 40 = 20,000

400

Estimate: 

375 x 28

400 x 30 = 12,000

500

Estimate:

756 x 832

800 x 800 = 640,000

Multi-digit multiplication

100

3 x 43

129

200

25 x 25

625

300

343 x 21

7,203

400

884 x 87

76,908

500

432 x 231

99792

Word Problems

100

Jose spends an hour practicing soccer. Mr. Dillon spends three times as much time practicing football. How long does Mr. Dillon spend practicing football?

Mr. Dillon spends 3 hours practicing football.

200

Genesis made 4 pumpkin decorations for the class. Daisy made 12 times as many pumpkin decorations. How many pumpkin decorations did Daisy make?

48 pumpkin decorations.

300

Carlos scored 52 points in his video game. Mrs. Hendrix scored 22 times as many points as Carlos. How many points did Mrs. Hendrix score?

Mrs. Hendrix scored 1,144 points.

400

Candy's candy score sells 32 varieties of candies. Kim's candy store sells 45 times the varieties of candies. How many Candy varieties does Kim's candy store sell?

Kim's candy store sells 1,440 varieties of candies.

500

An elephant can eat 7 pounds of food in one day. How many pounds of food can 18 elephants eat in a week?

18 elephants can eat 882 pounds of food in a week.

Mrs. Hendrix Trivia

100

Do you unicorns lay eggs?

Yes

200

If you need help with an assignment, what can you do?

Schedule office hours!

300

What is Mrs. Hendrix's favorite animal besides her dogs?

Kangaroos!

400

What is Mrs. Hendrix's favorite football team?

49ers!

500

What is Mrs. Hendrix's favorite part about being a teacher?

Her students!