Vocabulary
The answer to a division problem
Quotient
What is the best estimate of 215 ÷ 4?
200 ÷ 4 = 50
Solve for p.
42 ÷ 2 = p
p = 21
Solve for r.
240 ÷ 6 = r
r = 40
Divide mentally
350 ÷ 7 =
50
A letter used to represent the unknown
Variable
What is the best estimate for 381 ÷ 9?
360 ÷ 9 = 40
Solve for m.
78 ÷ 6 = m
m = 13
Solve for m.
939 ÷ 7 = m
Divide Mentally
150 ÷5 =
30
The total number being divided
Dividend
What is the best estimate for 323 ÷ 5?
300 ÷ 5 = 60
Solve for x.
98 ÷ 5 = x
x = 19 r 3
Solve for b.
640 ÷ 3 = b
b = 213 r 1
Divide mentally
8100 ÷ 9=
900
Divisor
Adam has a 196-page book. If he reads 8 pages every day, about how many days will it take him to finish the book?
160 ÷ 8 = 20
200 ÷10 = 20
180 ÷ 9 = 20
It will take Adam about 20 days to finish the book.
Kathy plans to divide blueberry muffins among 7 classmates. If she has 14 muffins, how many muffins will each friend receive?
14 ÷ 7 = 2
Each friend will receive 2 blueberry muffins.
Solve for x.
625 ÷ 7 = x
x = 89 r 2
Divide mentally.
Emily saw a total of 220 animals at the zoo. The animals are divided equally into 10 sections. How many animals are in each section?
There are 22 animals in each section.
A group of related facts
Fact Family
A total of 470 parents attend a school meeting. Each row of chairs seats 8 people. About how many rows of chairs will the parents need?
480 ÷ 8 = 60
The parents will need about 60 rows of chairs for the school meeting.
Mrs. Hunt has 22 students to seat in her class. Each group will seat 6 students. How many groups will Mrs. Hunt need?
Mrs. Hunt will need 4 groups of desks for her students.
A group of students travel by bus 424 miles in 4 days. If they travel the same amount of miles each day, how many miles does the group travel each day?
The group travels 106 miles each day.
Divide Mentally
A grocery store sold 990 pears in September. If each bag contained 9 pears, how many bags of pears were sold?
The grocery store sold 110 bags of pears in September.