Interpreting Remainders
Division Expressions
Inverse Operations
Division is off the chain!
Mental Math
100
Mary buys a box of sugar cookies to share with her friends. There are 78 cookies in the box. Mary has 5 friends and wants to give them each an equal amount of sugar cookies. How many cookies will Mary have left over?
Left over is a key word for REMAINDER. The Remainder is 3 cookies.
100
3,200 ÷ 8 = Δ
400
100
What is the inverse operation of multiplication?
Division
100
Katie is having a party. There are 26 people invited. The invitations she likes come in a pack of 10 invitations. How many packs of invitations does Katie need to buy?
3 packs
100
8,000 ÷ 80 =
100
200
Chante is planning a birthday party. There are 175 guests and the tables seat 8 guests per table. How many tables should Chante request for the birthday party?
When you divide, the quotient is 21, but there is a remainder of 7. The seven people need a place to sit at, too! Add 1 to the quotient and the answer is 22 tables.
200
158 ÷ 4 = Δ
39 R2
200
How do you use multiplication to check the answer to a division problem?
Multiply the quotient times the divisor, then add the remainder. It should equal the dividend.
200
Coach Peek spends $630 every 6 months for his truck insurance. How much does Coach Peek spend per month on truck insurance?
$105
200
Malik drives a total of 900 miles in the last year. If he bought new tires 3 times and each time has driven an equal number of miles, how often did Malik get new tires?
every 300 miles
300
There are 298 fourth graders in Brian's school. If the school places 25 students in each class, how many classes will they need to have?
11 classes will have 25 students, but the remainder is 23 so you add 1 to the quotient and they will need 12 classes
300
80 ÷ 8 = Δ
10
300
Tanner collected cans for his school to recycle. At the end of the day, she packed the cans into bags of 30 cans each. He ended up with 6 full bags with 4 cans left over. How many cans did Tanner collect?
184 cans 30 x 6 = 180 + 4 = 184 cans
300
Josh bought 48 Christmas pencils for his classmates. There are 23 students in his class. Each classmate got an equal number of pencils. How many pencils did each classmate get?
2 pencils
300
Mrs. Turner spends $360 on hot lunches during the school year. If school is in a total of 9 months, how much does Mrs. Turner spend on hot lunches per month?
$40
400
What is the remainder of 183 ÷ 4
Remainder = 3
400
640 ÷ 8
80
400
Mark has $133 to buy gifts. He wants to spend an equal amount of money on each of 5 friendss. He uses division to find he can spend $26 on each friend. He has $3 left. What is the divisor in Mark's division problem?
5
400
Harry runs one mile in 12 minutes. How many miles can he run in 60 minutes?
5 miles
400
Janet ordered 270 chicken fingers for the AR party. There were 30 students that attended. How many chicken fingers did each student get?
9 chicken fingers each
500
If 13 parents want to go on the field trip and each car holds 6 people. How many cars will they need?
3 Add 1 to the quotient. 2 + 1 = 3
500
4,200 ÷ 70
60
500
62 ÷ 6 = 10 R 2......................How can you check this problem using the inverse operation?
Multiply the quotient 10, times the divisor 6, and add the remainder 2, to get the dividend 62
500
Jasmine volunteers to help with the school dance. At the dance, the school is selling bags mini-brownies. Jasmine has a total of 840 mini-brownies and puts 21 mini-brownies in each bag. How many bags does Jasmine make?
40 bags
500
320 ÷ Δ = 40
8
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