Multiplication
142 x 21
2,982
264 / 22
12
Diego got 142 boxes of pencils for Mr. Bibeau's math class. If each box has 12 pencils in it, how many pencils did Diego get in all?
Diego got 1,704 pencils in total.
What is the best estimate for 432 x 22?
A. 5,000
B. 10,000
C. 20,000
D. 25,000
B.
400 x 20 = 8,000
237 x 24
5,688
498 / 14
35R8
Kaiky brought 846 pieces of candy to share with his friends. If he gives 24 friends the same amount of candy, how many pieces will each friend get?
Each friend will get 35 pieces of candy, and Kaiky will have 6 pieces left over.
What is the closest estimate for 1,127 x 31?
A. 10,000
B. 20,000
C. 30,000
D. 50,000
C.
1,100 x 30 = 33,000
424 x 38
16,112
1402 / 42
33R16
Mr. Bibeau gave 5A 187 reminders each day for 24 days. How many reminders has 5A gotten this year?
5A has gotten 4,488 reminders this year!
Estimate the best answer for 485 / 16
A. 10
B. 20
C. 30
D. 40
C.
16 x 3 = 48
16 x 30 = 480
348 x 39
13,572
1219 / 31
39R10
Ashley, Alex, and Leana were giving out hot Cheetos after school. They gave out 843 bags to 51 of their classmates. How many bags did each classmate get?
Each classmate got 16 bags, with 27 bags leftover.
What is the best estimate for 548 / 24?
A. 10
B. 20
C. 30
D. 40
B.
24 x 2 = 48
24 x 20= 480
24 x 3 =72
24 x 30 = 720
357 x 76
27,132
2,392 / 46
52
Mr Bibeau was collecting pencils off the floor after class. He decided to track how many he picked up. After 21 days, Mr. Bibeau had picked up 903 pencils. How many pencils did he pick up each day if they picked up the
He collected 43 pencils each day.
What is the best estimate for 902 / 36?
A. 10
B. 20
C. 25
D. 30
C
36 x 20 = 720
36 x 5 = 180
720 + 180 = 900