Balance Equations
15 ➗ __ = 5
3
The pet store just got 24 turtles. Petra is putting the turtles into terrariums. She puts 6 turtles in each terrarium. How many terrariums does she use? Show your work and equation!
24 ➗ 6 = 4
4 terrariums
Jenny has an array that is 4 by 6. Write the 4 fact families for this array.
4 x 6 = 24
6 x 4 = 24
24 ➗ 6 = 4
24 ➗ 4 = 6
A T-shirt costs $10 at the mall. A jacket costs 4 times as much as a T-shirt. How much does the jacket cost?
Is this multiplication or division? Show your equation and solve it!
Multiplication
4 x 10 = $40
What is area? Choose ALL the correct statements:
a. Area is measured in square units.
b. If you want to find out how long something is, you measure its area.
c. You can find the area of a rug that is 5 feet long by 3 feet wide by multiplying 5 x 3.
d. When you measure the area of something, you find out how much space it takes up.
a, c, d
12 x b = 6 x 6
3
There are 32 fourth graders in the gym. The gym teacher divides them into 4 equal groups. How many fourth graders are in each group?
Jami says she can solve the problem by thinking "4 times what number equals 32." Do you agree with her? Why or why not? Show your equation!
Yes because 4 x 8 = 32
or 32 ➗ 4 = 8
Darron has a garden that is 3 feet long by 8 feet wide. What is the area of his garden? Show your equation and solve it.
3 x 8 = 24 sq. ft.
The third graders are setting up the room for Grandparents' Day. They set them up in 3 rows with 9 chairs in each row. How many chairs in all?
Is this multiplication or division? Show your equation and solve it!
Multiplication
9x 3 = 27 chairs
Jack has a hockey rink in his backyard. The area is 63 square feet. If one side is 9 feet, what is the missing side? Show an equation and solve it!
63/9 = 7
9 x s = 63
s = 7 feet
4 = ___ ➗ 5
20
The pet store has 9 puppies. Each puppy drinks 6 cups of water each day. How many cups of water do all the puppies drink together in one day? Show your work and equation!
9 x 6 = 54
54 cups
Sophie has an array that has 45 squares. She has 9 rows. How many columns does she have? Show your equation to solve.
9 x 5 = 45
or 45 ➗ 9 = 5
5 columns
Jeff and his sister picked 18 flowers. They put 6 flowers in each vase. How many vases did they use?
Is this multiplication or division? Show your equation and solve it!
Division
18 ➗ 6 = 3 vases
Mrs. Zurn's rug is 13 feet wide by 8 feet long. What is the perimeter of her rug? Which equations would help you solve this problem? Choose ALL the equations that would work and solve the problem.
a. 13 x 8
b. (13 + 13) + (8 + 8)
c. 13 + 8
d. (13 x 2) + (8 x 2)
b. (13 + 13) + (8 + 8)
d. (13 x 2) + (8 x 2)
42 feet
24 = 4 x b
b = 6
Sophia has 4 bags of Legos with 32 in each. John has 5 bags with 25 Legos in each.
Who has more Legos? How many more do they have?
Sophia: 4 x 32 = 128
John: 5 x 28 = 125
Sophia has 3 more Legos because 128-125 = 3
Jordan has a small rug in his room. The length of the rug is 4 feet and the height is 5 feet. What is the area of his rug? Show your equation and work!
4 x 5 = 20 sq. ft.
There are 4 minivans to take 24 kids to the museum. How many kids will ride in each van if all the vans take an equal amount of kids?
Is this multiplication or division? show your equation and solve it!
Division
24 ➗ 4 = 6 kids
Jaron has a basketball court at his apartment building. The length of the court is 50 feet and the width is 30 feet. What is the perimeter of his basketball court?
Show your work!
50 x 2 = 100
30 x 2 = 60
100 + 60 = 160 feet
The pet store got 4 boxes of new dog collars. There were 6 dog collars in each box. Petra unpacked all the collars and hung them up in 3 equal rows on the wall. How many collars are in each row?
Which equation matches this problem?
a. (4 + 6) x 3 = c
b. (4x6) ➗ 3 = c
c. 4 + 6 + 3 = c
d. (4x6) - 3 = c
b. (4x6) ➗ 3 = c
c = 8 collars in each row
CHALLENGE!
Mr. Garner gathered $6.50 each from 12 students going to a music festival. He needs to divide the money equally to pay for the field trip helpers: (bus driver, and the two people running the festival). How much money did each person receive for helping with the festival? Show your equation and solve it.
6.50 x 12 = 78 ➗ 3 = $26
Use colored tiles to find the area of question 8 on your assessment. What is the equation? Area?
2 x 6 = 12 sq. in.
CHALLENGE: There were 5 third grade classrooms and each classroom had 27 students. How many students are in third grade? Show your equation and solve it.
27 x 5 = 135 students
Jaron has a basketball court at his apartment building. The length of the court is 50 feet and the Width is 30 feet. What is the perimeter of his basketball court?
**Challenge- Now he wants to put a fence around the court, but he needs to add in two gates that are 3 feet wide. How much fencing would he need?**
(50 x 2 = 100) + (30 x 2 = 60) = 160
160 - (3 x 2) = 154 feet