estimate quotients
Estimate the quotients using compatible numbers.
315/8=?
320/8=40
40
35/2 =?
12 r 1
26/2=
26/2
=(20/2) + (6/2)
=10 + 3
=13
48/3 =
16
There are 3 trays of eggs. Each tray holds 30 eggs. How many people can be served if each person eats 2 eggs?
3 x 30 = 90 eggs
90/2 = 45 people
Estimate the quotients using compatible numbers.
358/3=?
360/3=120
120
Daniel has 56 inches of ribbon. He wants to cut the ribbon into 6 equal pieces. How long will each piece be?
56/9 =9 r 2
9 r 2 = 9x2/6
Each piece will be 9x2/6 inches long.
45/3=
45/3
=(30/3) + (15/3)
=10 + 5
=15
84/4 =
21
Ms. Watson has 25 blue candies and 35 red candies. She will divide these candies among 5 classes. how many candies will each class get?
25 + 35 = 60 candies
60/5 = 12 candies
Estimate the quotient using multiples.
75/4=?
18 x 4 = 72
19 x 4 = 76
about 19
A group of 140 people are going on a tour. The tour guide rents 15 vans. Each van holds 9 people. How many people will not fit in the 15 vans?
140/9= 15 r 5
5 people don't fit in the 15 vans.
208/4=
208/4
=(200/4) + (8/4)
=50 + 2
=52
128/4 =
32
Julia's mom bought 10 dozen tomatoes. The tomatoes were equally divided into 5 bags. How many tomatoes are in each bag?
10 x 12 = 120 tomatoes
120/5 = 24 bags
Estimate the quotient using multiples.
100/7=?
14 x 7 = 98
15 x 7 =105
about 14
A teacher plans for groups of her students to eat lunch at tables. She has 34 students in her class. Each group will have 7 students. How many tables will she need?
34/7=4 r 6
She needs 5 tables.
Cecily picked 219 apples. She divided the apples equally into 3 baskets. How many apples are in each basket?
219/3
=(210/3) + (9/3)
=70 + 3
=73
Penny bought 80 buttons to put on shirts. She uses 5 buttons for each shirt. How many shirts can Gail make?
80/5= 16 shirts
There are 135 seats in a large classroom. There are 5 seats in each row. There are 45 people seated, filling up full rows of seats. How many rows are empty?
135 - 45 = 90 seats
90/5 = 18 rows
18 rows
Circus horses eat about 340 pounds of horse food per week. About how many pounds of food does a circus horse eat each day?
340/7=?
350/7 = 50 pounds
about 50 ponds
A total of 56 students sign up to play in a football game. If each team has 10 students, how many more students need to sign up so all of the students can be on a team?
56/10=5 r 6
6+4 = 10
4 more students need to sign up.
The Wilson's drove 324 miles in 6 hours. If they drove the same number of miles each hour, how many miles did they drive in 1 hour?
324/6
=(300/6) + (24/6)
=50 + 4
=54
Nick took 112 photos on vacation. He wants to put them in a photo album that holds 4 photos on each page. How many pages can he fill?
112/4=28 pages
Yua has 16 tacks. She buys 2 packages of 36 tacks each. How many posters can she put up if she uses 4 tacks for each poster?
2 x 36 = 72
72+16 = 88
88/4 = 22
22 posters