Ratios
Equivalent Ratios
Math Vocabulary
Fractions
Percents/Decimals/Fractions
100
Write a ratio for the following description: Eliza read 8 books for every 3 books Max read.
8:3 or 8 to 3
100
Are 2:4 and 4:8 equivalent?
Yes
100
What is the answer to an addition problem called?
the SUM
100
What is the division problem for 4/5?
(For an extra 100, show the decimal.)
4 divided by 5
0.80
100
What is 10% of 100?
10
200
I bought 6 lemons for every 8 limes. Right the ratio in 3 different ways.
6:8 6 to 8 6/8
200
Write an equivalent ratio to 3:7
6:14
9:21
12:28
Anything where you multiply both sides by the same amount
200
What is the answer of a subtraction problem called?
the DIFFERENCE
200
Write the mixed fraction for 62/3.
20 2/3
200
How do you write 100% as a whole number?
1 (It means that it is all there!)
300
There are 10 sedans and 6 SUVs in the parking lot. Write the ratio for sedans to total vehicles.
10:16 or 10 to 16
300
My shirt to tie ratio is 2 to 3. If I have 14 shirts, how many ties do I have?
21
Multiply both sides by 7
300
In this problem what is considered the dividend?
Which is considered the divisor?
2/15
the 2 is divided by 15; it is the dividend
and is divided by the divisor, 15.
300
Solve 2/3 x 4/10 =
8/30 = 4/15
300
Are 20% and 1/5 equal to 10/100?
Yes.
20/100 means 20 divided by 100, which when it is simplified is 2/10, which simplified again is 1/5.
400
I have 5 apps for every 3 songs. Write one part to part ratio and another that shows a higher equivalent ratio.
5:3 or 3:5 and 10:6
400
A basketball player scored 6 points for every 2 rebounds. If he scored 16 more points than rebounds, how many rebounds did he grab?
8 rebounds 16/4=4 4x2=8
400
When you see 105, What do you call that little number?
Explain what it means using the word, "power" and how you are to calculate this.
Exponent
It means that it is 10 to the power of 5, meaning you need to multiply the 10 to itself 5 different times (10x10x10x10x10)
400
If Ms. Natalie has 2/3 of a pizza left and she invites 4 friends, how much will each friend get if she divides them evenly?
2/3 ÷ 4/1 = 2/3 ÷ 12/3 = 2/12 = 1/6
400
What is the percentage for 2/5?
40%
500
Give two different ratios with a description of the ratio relationship using the following information: There are 33 kindergartners in the class. There are 3 female teachers in the class.
Ratio of kindergartners to teachers is 33:3 Ratio of teachers to kindergartners is 3:33 OR
Ratio of teachers to kindergartners is 33:3
500
In a bag of mixed Brazil nuts and cashews, the ratio of the number of Brazil nuts to the number of cashews is 5:6. Determine the number of Brazil nuts that are in the bag if there are 54 cashews. Use a tape diagram to support your work.
45 Brazil nuts 54/6=9 9x5=45
500
What does the acronym PEMDAS
stand for?
Parenthesis,
Exponents
Multiplication & Division (these are inverse operations, so either can be done after E)
Addition & Subtraction (these are inverse operations, so either can be done after M & D)
500
Solve 14/21 ÷ 1/3 by using a numberline.
Show your work.
500
Are 2/3, .666, and 66% equivalent?
Yes, because when you divide 2 by 3, your quotient is the repeating .66 (3 x 6 = 18 with 2 remainder every time.)