Cycle 1-4 Review

Ratios

100

** $$$$

What is the ratio of stars to dollar signs?

2:4

200

** $$$$

What is the simplified ratio of stars to dollar signs?

1:2

300

What are 3 ways to write a ratio?

Colon

"To"

Fraction

400

The ratio of girls to boys in a class 3:4. 

If there are 15 girls in the class, how many boys are in the class?

20

500

The ratio of girls to boys in class 3:4. If there are 28 total students, how many girls are in the class?

12

Rates, Conversions, and Percent

100

What does the word "per" mean?

1

200

Tara completes 4 puzzles in 2 hours. 

What is Tara's rate in hours per puzzle?

0.5 hours per puzzle

300

How many inches are in a yard?

36

400

Percents are fractions with a denominator of ___?

100

500

Write 4/5 as a fraction out of 100, a percent, and a decimal. 

80/100

80%

0.80

Dividing Fractions

100

What are the steps to dividing a fraction?

Keep Change Flip

200

1/3 divided by 2/5

5/6

300

6 divided by 3/4

24/3 

8

400

2 2/5 divided by 2/3

36/10

3 6/10

3 3/5

500

What are 2 ways to divide a fraction?

*Besides the Invert and Multiply strategy*

Tape Diagrams

Common Demoninator

LCM/GCF

100

What Does LCM stand for?

Least Common Multiple

200

What is the LCM of 12 and 20?

60

300

What does GCF stand for?

Greatest Common Factor

400

What is the GCF of 12 and 20?

4

500

What method can be used to find GCF and LCM at the same time?

Ladder Method

Rational Numbers

100

Where can you find positive numbers on a horizontal number line?

to the right of zero

200

The distance a number is from zero on the number line is called..

absolute value

300

What two opposite numbers are 10 units from one another on the number line?

5 and -5

400

Two numbers that are on opposite sides of the number line and have a sum of zero are called...

Additive inverses

500

The opposite of the opposite of -7 is...

-7