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!
4 Terrariums
24 ➗ 6 = 4
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!
Multiplication
4 x 10 = 40
Area is what (10): 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 it's area
c. You can find the area of a rug that is 5 feet long by 3 feet wide by multiplying 5 x3
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 forth graders in the gym. The gym teacher divides them into 4 equal groups. How many forth 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
3 x 8 = 24
The Third Graders are setting up the room for grandparents day. They set them up in 3 rows of chairs with 9 chairs in each row. How many chairs are in all?
Is this multiplication or division? Show your equation and solve!
Multiplication
9x 3 = 27
Jack has a hockey rink in his backyard. The area is 63. If one side is 9 feet what is the missing side? Show an equation and solve!
63/9 = 7
9 x s = 63
s = 7
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!
54 cups
9 x 6 = 54
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
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!
Multiplication
18 ➗ 6 = 3
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 _____
6
Write your own division story problem
Answers may vary
Jordan has a small rug in his room. The length of the rug is 4 feet and the height 5 feet. What is the area of his rug? Show your equation and work!
4 x 5 = 20
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!
Division
24 ➗ 4 = 6
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 = 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 there?
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
CHALLENGE!
Write your own multiplication story problem
answers varies
Array is used for adding.
False
CHALLENGE: We have 5 third grade classrooms each classroom has about 27 students. About how many students are in Third Grade? Show your equation and solve
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 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 - (3x2) = 154 feet