Estimation
Which of the following is the best estimate of 487 divided by 67?
7
Choose all the expressions that are equal to 27,000 divided by 30.
270 divided by 30
270 tens divided by 3 tens
2,700 tens divided by 3 tens
2,700 divided by 3
2,700 tens divided by 30 tens
#3 & #4
The carnival committee has purchased 985 small prizes. The prizes are to be divided equally among the 20 game booths. How many prizes will each booth have?
49 prizes
daily double
52X 65
3380
The area of a rectangular banquet hall is 7,400 square feet. The length of one side of the hall is 82 feet. Explain how you can use compatible numbers to estimate the width of the hall.
Use 7,200 instead of 7,400 and 80 instead of 82. Then divide and get 90 feet.
304 divided by 16
19
The carnival committee has purchased 985 small prizes. The prizes are to be divided equally among the 20 game booths. How many prizes will be left?
5 prizes
54x32
1728
2,700 divided by 30
270 divided by 30
2,400 divided by 30
240 divided by 30
90
9
80
8
713 divided by 23
31
Charles burns 4,350 calories hiking 15 miles of the Appalachian Trail. He burns the same number of calories each mile. How many calories does he burn each mile?
290 calories
43x43
1849
280 divided by 40 = 7
800 divided by 40 = 20
4,000 divided by 40 = 10
32,000 divided by 40 = 800
Yes
Yes
No
Yes
7,905 divided by 35
225 R 30
Mrs. Reiss has 264 crayons for her art class of 22 students. How many crayons will each student get if the crayons are equally divided? Use an area model to solve.
12 crayons
500x23
11,500
420 divided by 60 = 70
1,800 divided by 60 = 300
5,400 divided by 60 = 90
24,000 divided by 60 = 400
No
No
Yes
Yes
1512 divided by 54
28
8,415 divided by 11
765
1001x25
25025