Compatible Numbers
Estimation
Division
Problem Solving
100
Rewrite 789 / 78 using compatible numbers
800 / 80
100
Estimate the quotient for 1,456 / 47
1,500 / 50 = 30 (+/- 10)
100

Find the quotient for 1,140/12

95

100
Mrs. Capdepon is making lei for her family members who are coming to visit. She has collected 235 flowers. Each lei needs 22 flowers. How many lei can she complete with the flowers she has collected?
10 lei
200
Rewrite 21,135 / 687 using compatible numbers
21,000 / 700
200
Estimate the quotient for 832 / 29
900 / 30 = 30 or 800 / 20 = 40
200

Find the quotient for 1,275/15

85

200
Mrs. McDonald is making goody-bags for her grandsons birthday party. She has 678 pieces of candy and is expecting 43 guests. If each guest gets the same amount of candy, how many will they get?
15 pieces
300
Rewrite 6,412 / 83 using compatible numbers
6,400 / 80
300
Estimate the quotient for 1,247 / 103
1,200 / 100 = 12 or 1,000 / 100 = 10
300

Find the quotient for 1,394 / 17

82

300
Felicia is putting together a photo album. She has 378 pictures and can fit 12 pictures on each page. How many pages will have pictures?
32 pages
400
Rewrite 5,298 / 61 using compatible numbers
5,400 / 60
400
Estimate the quotient for 5,298 / 61
5,400 / 60 = 90
400

Find the quotient for 899 / 29

31


400
Richard has been helping his mom make cookies for a bake sale. So far, they have made 156 cookies. They need to make packages of 12 cookies. If they need to make 15 packages of cookies, have they made enough? If not, how many more cookies do they need?
No, they haven't because 156 / 12 = 13 bags. They need to make 24 more cookies for 2 more bags.
500
Rewrite 35,743 / 119 using compatible numbers
36,000 / 120 or 36,000 / 100
500
Estimate the quotient for 1,394 / 657
1,400 / 700 = 2
500

Find the quotient for 987 / 47

21


500
Tatyana is organizing her earrings into boxes. She has 111 pairs of earrings. If she can fit 18 pairs into each box, how many boxes will she need?
7 boxes
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