4th Grade Multiplication

Word Problems

100

An aquarium has 7 fish in the tank, 2 of them went belly up, then each fish remaining had 5 baby fish, how many fish are in the tank?

25 fish

200

A school has 9 hallways, each hallway has 98 lockers. There are 89 lockers not being used. How many are being used? 

9x 98= 882 - 89 = 793 being used

300

Tyler wants to buy 8 basketballs. Each basketball costs $39. He has $350 dollars. How much money does Tyler have left?

$38

400

Novii and Jocelyn make 3 necklaces for each classmate. Each necklace uses 20 beads. If they make 3 necklaces for all 25 classmates, how many necklaces will they make?

75 necklaces

500

Mr. Hoey and Mrs. Sammons each make a practice test for each test. If there are 12 practice tests with 8 questions on each, how many questions are there altogether?

12 x 8= 96 x 2= 192 questions

3 digits by 1 digit

100

124 x 3

372

200

235 x 3

705

300

154 x 4

616

400

205 x 5

1,025

500

432 x 3

1,296

4 digits by 1 digit

100

1,212 x 3

3,636

200

1,332 x 4

5,328

300

1,023 x 3

3,069

400

2,103 x 4

8,412

500

2,005 x 5

10,025

Multiply by 10's

100

45 x 10

450

200

21 x 10

210

300

302 x 10

3,020

400

413 x 10

4,130

500

502 x 10

5,020

Multiply by 100's

100

32 x 100

3,200

200

456 x 100

45,600

300

304 x 100

30,400

400

900 x 100

90,000

500

204 x 100

20,400