Comparing Numbers/General Math
Find the K
Graphs/Tables
Is It Proportional
General Math
100
Which expression is equivalent to: 5 (-2 -2n)
a. -10 -2n c. 10 + 10n
b. -2 -10n d. -10 + (-10n)
D
100
The amount of flour required in a recipe for cookies depends on the amount of sugar, as shown in the table below. What is the unit rate or (k)?
Sugar (cups) 2 4 6 8 10
Flour (cups) 4 8 12 16 20
2
100
Graph 1
Graph 2
Graph 3Which graph or graphs show a proportional relationship?
Graph 2 & 3
100
D
100
What is the product of 1 3/4 and 2 4/5 ?
4 9/10
200
Yesterday the temperature at sunrise was -4. Today the sunset was 20 degrees warmer. What is the temperature at sunset?
16 degrees
200
What is the "k" for using 25 gallons for a 125 mile trip?
5 miles per gallon.
200
How can you tell from a graph if the data is proportional?
The line must be straight and it must pass through the origin.
200
Name 3 fractions that are equivalent to 4/5
A. 8/10 D. 12/40
B. 16/25 E. 16/20
C. 12/20 F. 32/40
A, E, F
200
1/2 - 2/3 + (-3/4)
- 11/12
300
Jose and his 2 friends went to the movies. Each ticket was $9.50 each. They all had a drink which was $5.50 each. Jose also ordered a large popcorn for $7.50. Jose had 1/2 off coupon for the tickets. What was the total cost of the movie trip?
$38.25
300
2.5
300
Find the missing number in this proportional relationship
20
300
The following are proportional: 10 rabbits for $25 14 rabbits for $35
Which of the following statements about the price of rabbits are true if the price remains proportional to the number of rabbits? Select 2
A. 6 rabbits for $12 C. 5 rabbits for $12.50
B. 12 rabbits for $30 D. 20 rabbits for $45.00
B & C
300
Which situation results in a final value of zero?
answer choices
a. the overall change in temperature when the temperature goes from −10°F to 10°F
b. the total profit made when a person buys an item for $2.25 and then sells the item for $2.25
c. the overall change in altitude of a hot air balloon after rising 21 kilometers from sea level
d. the total distance a person travels when he bikes 3.1 miles to school and then bikes 3.1 miles back home
b.
400
-5 (-n + 12) Simplify the expression
5n + (-60) or
5n - 60
400
12.5
400
What is the cost per square foot of carpet?
$1.50
400
Is this table proportional, if yes what is the unit rate?
Yes the K = 4
400
Torey had 1/10 of a pizza. Jason ate some pizza and 2/5 of the pizza was remaining. What fraction of the pizza did Jason eat?
1/2
3/5 was eaten and Torey at 1/10 of the 3/5. 3/5-1/10 = 1/2
500
2/5 of 500 =
200
500
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500
Is this graph proportional, if so what is it's "k"
Yes the k = 2.5
500
Is this table proportional, if yes what is the "K"
No
500
A club is selling candy bars to earn money. The club is going to donate 1/5 of the money to charity. If the candy bar sales were $250, which expression could be used to determine the amount of money the club will keep?
a. 250 - 0.15 (250) c. 250 - 0.5 (250)
b. 250 - 0.20 (250) d. 250 - 0.8 (250)
B