Number Sense
Word Problems
Unit Rates + Proportional Relationships
Percents
Miscellaneous
100

5.5 - 6.6

-1.1

100

Jigdal bought 5 packs of gum. He spent 5.50 in total. How much did each pack cost?

(key + equation)

Let x = price of one pack

5x = 5.50

100

Is this a proportional relationship? How do you know?

Distance:        Hours:

3 miles           1 hour

5 miles           2 hours

6 miles           2.5 hours

No, not all ratios are constant

100

What is 40% of 90?

36

100
What comes first in PEMDAS, multiplication or division? 

NEITHER!

200

-3 x 10 x -2

60

200

                                               

You bought a magazine for $6 and some notepads for $3 each. You spent a total of $18. How many notepads did you buy?

                                   


    

Let x = # of notepads

6 + 3x = 18

200

How much does one banana cost? 

$                   # of bananas

3.50               7

7.00               14

4.50               9

$0.50 for 1 banana

200

I bought a shirt for $35, but there's a 10% tax. How much do I spend?

$38.50

200

What are the two things that tells you a graph is proportional?

Straight line

through origin

300

- 16 - 10 + 4

-22

300

Muazama buys new books from Amazon. The total cost, including $6.50 shipping, was $63.00. Each book cost $5.65. How many books did Muazama buy? 

Let x = number of books

63 = 6.50 + 5.65x

300

Salvador drinks 3 liters of water per day.

How many liters will he drink in 6 days? 

18 liters

300

I guessed that the average on the test would be a 95. It was actually a 100. What was my percent error? 

5%

300

Which expressions are always equal to 3(2x - 2)?

A. 6x - 2

B. 6x - 6

C. 6(x -1)

B and C

400

(7 + 5) - 6 / 2 + 4 x 3

21

400

A wise man once said, "400 reduced by 3 times my age is 163." What is his age?

                                   


    

Let x = age

400 - 3x =163

400

Tsering drinks 3.5 liters of water per day.

How long will it take her to drink 14 liters?

4 days

400

Lekshey bought Air Conditioners to sell. He then marked up the price by 15%. He sold them for $460. How much did he buy them for?

400

400

If the product of 5 integers is positive, at most how many of the integers can be negative?

4

500

absolute value of (4 - 16)

12

500

Cody's Bikes rents bikes for $18 plus $5 per hour. Mofor paid $48 to rent a bike. For how many hours did he rent the bike?

                                   


    

Let x = # of hours

18 + 5x = 48

500

I use 16 red beads for every 2 bracelets.

Write an equation that represents the relationship between the number of red beads, r, and number of bracelets, b.

r = 8b

500

- Sour patch was originally $2.00

- Discount of 10%

- Tax of 5% after discount

$1.89

500

What is Anna's favorite ice cream flavor?

coffee chip

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