Ratios are Grrrrate
In a fruit basket there are 9 bananas, 4 apples, and 3 plums.
The ratio of plums to apples is?
3:4
Translate (create an algebraic expression)
Eight less than q
q - 8
Solve for m
12 - m = 4
m = 8
At noon, the temperature was 12 degrees Celsius. By late afternoon, it has risen 4 degrees Celsius. What was the temperature late in the afternoon?
16 degrees
A comparison of two numbers
Ratio
In a fruit basket there are 9 bananas, 4 apples, and 3 plums.
The ratio of apples to total fruits is?
4 to 16
Simplify:
(9 - 2x)3
27 - 6x
Solve for m
12 = 4m
m = 3
The temperature was 4 degrees Celsius at midnight. By dawn, it has dropped 8 degrees Celsius. What was the temperature at dawn?
-4 degrees celsius
This type of math problem has no equal sign.
Expression
30% of 70 is...
21
Simplify:
3(2x + 1)
6x + 3
Solve for C
23c =322
c = 14
Is -30 degrees warmer or colder than -40 degrees?
Warmer
Rate for ONE unit of a given quantity
Unit Rate
Here are the prices for cans of juice that are the same brand and the same size at different stores. Which store offers the best deal? Explain your reasoning.
Store X: 4 cans for $2.48
Store Y: 5 cans for $3.00
Store Z: 59 cents per can
Store Z has the best deal.
Store x = 62 cents per can.
Store Y = 60 cents per can.
59 cents is the least expensive of the 3 options.
Solve
43
64
Solve for w
w - 32= 2
w = 11
Is an elevation of -20 feet higher or lower than an elevation of -10 feet?
Lower
Another word for the letters used in expressions and equations.
Variable
Diego can type 140 words in 4 minutes. At this rate, how many words can he type in 15 minutes?
He can type 525 words in 15 minutes.
Mai has 3 times as many books as Tyler.
How many books does Mai have if Tyler has x books?
3x
Solve for r
52 = 32 + r
r = 16
A whale is at the surface of the ocean to breathe. What is the whale’s elevation?
0. (Sea level is 0 feet above or below sea level.)
A number with a value less than zero
Negative Numbers