Ratios
What is a ratio?
The relationship between two quantities or a way to compare two numbers.
How many inches are in 3 feet?
36 inches
2543 X 57
144951
120
What's the opposite of -5?
5
How can I find equivalent ratios?
Multiply or Divide by the same number
Convert 5 feet into inches.
60 inches
use distributive property to get an equivalent expression 5(12x - 9)
60x -45
what is the quotient of 4510 and 22
205
What's the opposite of the opposite of 2?
2
A florist uses 5 red roses for every 2 white roses in her bouquets.
If the florist uses 10 red roses in a bouquet, how many white roses does she use?
4 white roses
If one pound is 16 ounces, how many ounces is 8 pounds?
128 oz
What does absolute value mean?
distance from 0
subtract 8.7 from 92.704
8.004
If the submarine goes 20 feet below the surface, what is the integer that represents the situation?
-20
Find two ratios that are equivalent-
3 to 4
6 to 8, 9 to 12, 12 to 16, etc.
convert 8 yards to feet
24 feet
combine like terms 9x + 3y -10 + 21y - 3x
6x +24y -10
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If the temperature starts at 10 degrees and falls 12 degrees at night, what temperature after it falls?
-2 degrees
In gym class, the 6th graders walk 2 laps for every 3 laps they run. If the students run 12 laps, how many laps will they walk? Find the pattern.
If 1 gram (g) = 1000 milligrams (mg), how many grams are in 20,000 milligrams?
20
evaluate 3(7+2)2 -19
224
what is the sum of 7.964 and 3.09
11.054
Put the numbers in order from least to greatest
|-2|, -1, -1.5, |1.75|
-1.5, -1, |1.75|, |-2|