Word Problems
A company wants to rent trunks to hold costumes when they travel. Each trunk holds costumes for 3 performers. What is an equation that could be used to find out how many trunks are needed for 24 performers? Use n for the missing number.
n x 3 = 24 or 3 x n = 24
Which equations show the Distributive Property:
A. 3 x 50 = 3 x (10 + 10 + 30)
B. 5 x 10 = (5 x 2) x (5 x 5)
C. 50 x 2 = 2 x 50
D. 8 x (10 + 10) = 8 x 20
A and D
What number would make the sentence true.
The library has 54 desks. There are 9 desks in each row. There are ______ rows of desks in the library.
5, 6, or 7
6 rows
9 x (3 + 3) = 9 x 6
True
Find a rule for the table:
CDs: 4 5 6 7 8
Minutes: 200 250 300 350 400
Multiply CDs by 50
Two friends have jobs at the mall. Juan works 30 hours each week and earns $8 per hour. Thomas works 40 hours per week and earns $7 per hour. How much does each friend earn? Who earns more each week?
Juan: $240
Thomas: $280
Thomas earns more each week
6 x n = 54
n = 9
9 x (4 + 4) = 9 x 6
False
Each bus can carry 40 people. Use a number line to find how many people 2 buses can carry.
80 people
n x 4 = 36
n = 9
(3 x 9) + (2 x 9) = 9 x 6
False
Joe says the rule for the pattern shown in the table is "Add 5." Is he correct? Explain.
Packages: 1 2 3 4 5
Markers: 6 12 18 24 30
He is not correct. The rule is multiply packages by 6.
A store has 3 crates of bananas. Each crate hold 3 boxes. Each box holds 30 bananas. What is the total number of bananas in the store?
270 bananas
8 x n = 64
n = 8
(9 x 4) + (9 x 2) = 9 x 6
True
A new tiger cub at the zoo weighs 44 pounds. He has been gaining 5 pounds ever month as he grows. If this pattern continues, how much will the cub weigh 3 months from now?
59 pounds
Sara keeps her sticker collection in a folder with 20 pages. Each page 8 stickers. Jane has 150 stickers in his collection. Does Sara have more, fewer, or the same number of stickers as Jane?
She has more stickers than Jane.
A store has 6 shelves of cereal. There are 30 boxes of cereal on each shelf. How many boxes of cereal does the store have? Show how you can use the distributive property to find the number of cereal boxes in the store.
(6 x 10) + (6 x 10) + (6 x 10)
60 + 60 + 60 = 180
180 boxes of cereal
Aaron has 150 cat toys to pack in boxes. He packs 50 toys in each box. How many boxes does he need? Write an equation using the letter n to stand for the unknown factor.
n x 50 = 150 or 50 x n = 150
n = 3 boxes