Ratios, Rates, and Percents
A soup recipe calls for 2 cups of potatoes for every 3 cups of milk. How many cups of potatoes should be used for every 1 cup of milk?
2/3 cup of potatoes
What is the least common multiple of 4 and 11?
44
What is the opposite of 8 on a number line?
-8
What is the "top dog" in the order of operations?
Parenthesis
Find the area of a parallelogram that has a base of 5 units, and a height of 9 units.
45 units squared
Scott has 4 red shirts, 5 blue shirts, 2 yellow shirts, and 3 orange shirts.
What is the ratio of blue shirts to orange shirts?
5 : 3
18.639 + 5.7
24.339
The low temperature on Wednesday is −10°F. The low temperature on Thursday is −7°F.
What symbol would you use to compare these numbers? -10 __ -7
<
-10 < -7
5 + x = 15
Solve for x.
x = 10
Find the area of a triangle that has a height of 4in, and a base of 7in.
14in squared
Sasha mows 12 lawns in 4 days.
When the rate is expressed in lawns per day, what is the unit rate?
3 lawns per day
6 / 3/5
six divided by 3/5
10
Which is greater, the absolute value of -9 or the absolute value of -5?
The absolute value of -9
2x - 14 = 30
Solve for x.
x = 22
Find the area of a trapezoid with base 1 of 3cm, base 2 of 6cm, and a height of 4cm.
18 cm squared
At a middle school, 40% of the students participate in after-school activities.
What is another way to represent 40%?
40/100
0.4
47.8 x 0.5
23.9
A bank account has a value of -120 dollars in it.
Explain what the number -120 means in this situation.
It means someone owes 120 dollars to the bank
Use the distributive property.
3(x + 4) - 12
3x + 12 - 12
3x
A = 1/2bh
125 = 1/2b10
Solve for b.
b = 25
Jennifer has songs and photos on her phone. She has 25 songs. This number represents 20% of the total number of songs and photos on Jennifer's phone. How many photos does Jennifer have on her phone?
100 photos
Kristen buys a watermelon that weighs 4.25 pounds. Watermelons cost $1.30 per pound. What is the cost of the watermelon Kelly buys? Round to the nearest hundredth if necessary
5.53
5.525
List the numbers from least to greatest:
8, 1/3, 0.5, -3, 5, 2.1
-3, 1/3, 0.5, 2.1, 5, 8
Combine Like Terms
8 + 2y + 21 + 9y - 16 - 4y
7y + 13
A = bh
140 = 7h
Solve for h.