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Prime Factorization
Ratios & Proportions
Equivalent
Word Problems
Vocabulary
100
If the factors of a number are all the prime numbers less than 8 and no factor is repeated, what is the number?
What is 210?
100
There are 10 boys and 12 girls in a math class. Write a relationship that describes the number of boys to the whole class.
What is 5:11, 5/11, or 5 to 11?
100
Are they equivalent? 4:24 = 1:4
NO
100
Bob poured liquid out of a 3 liter beaker until 2.625 liters remained. What was the total amount that he poured out? (Find the decimal answer and then write your final answer as a fraction)
What is 3/8 liters?
100
What is a ratio?
A comparison of two quantities: part to part, part to whole, whole to part.
200
Use the prime factorization to find the greatest common factor (GCF) of 24 and 36.
What is 12?
200
Jill answered 100 questions correctly out of 120 questions on her math test. Write a ratio that shows Jill's correct answers to total questions.
What is 5:6?
200
Write an equivalent ratio to 4:12.
What is 1:3, 8:24, etc.
200
Construct a model to show 3 divided by 1/3 and solve.
What is 9?
200
What is a rational number? Give an example of a rational number in 2 different forms.
A rational number is any number that can be written as a fraction.
300
Use prime factorization to find the least common multiple (LCM) of 24 and 36.
What is 72?
300
Bill answered 30 questions correctly out of 50 questions on his science test. What is the ratio of Bill's correct answers to the total questions?
What is 3:5?
300
Is the proportion true or false? 1:3 = 9:27
TRUE
300
You and your friend order the same size personal pan pizza. You cut your pizza into 8 slices and eat 6 of them. Your friend cuts them into 4 equal pieces. How many pieces would they have to eat to equal the amount that you ate?
What is 3 pieces?
300
What is a proportion?
What is a pair of equivalent ratios?
400
Write the prime factorization of 24 in exponential form.
What is 2^3 x 3?
400
Solve the proportion: 3:10 = 15: ____
What is x = 50?
400
Is the proportion true or false: 2/4 = 8/12
FALSE
400
Justin and his father painted their house. They worked 2/4 of an hour Saturday, 2/3 of an hour on Monday, and 1/6 of a hour on Tuesday. Rounding each amount to the nearest 0, 1/2, or whole hour, estimate how long they worked.
What is 0.5 + 1 + 0 = 1.5 hours?
400
What are equivalent ratios?
What is two ratios that represent the same quantity (they mean the same thing).
500
Find the GCF and LCM for 56 and 12
GCF = 4, LCM = 168
500
Solve the proportion: 2 to 3 = ____ to 6
What is x = 4?
500
From the picture, write 2 equivalent fractions (SEE PICTURE)
What is 4/16 and 1/4?
500
What are the 2 "special" exponents and why are they special?
What is squared and cubed?
500
What is exponential form?
What is the form in which you write bases with exponents.