Chapter 2 Review

Vocab

100

What is a reciprocal?

When the product of two fractions is 1 or a flipped fraction. 

200

23/7 is an example of what?

Improper Fraction

300

5/6 and 19/6 are examples of what?

Like Fractions

400

1 8/13 is an example of what?

Mixed Number

500

7/2 and 9/59 are examples of what?

Unlike Fractions

Conversions

100

Convert 0.28 to a percent. 

28%

200

Convert 2/100 to a decimal. 

0.02

300

Convert 138% to a decimal. 

1.38

400

Convert 2.59 to a fraction. 

259/100

500

Convert 27/50 to a percent. 

54%

Adding/Subtracting Fractions

100

(-4/7) + 6/7

2/7

200

25/40 + (-19/40)

3/20

300

9/10 + 1/2

7/5

400

7/16 + 1/8

9/16

500

4/15 - 2/5

-2/15

Multiplying/Dividing Fractions

100

3/5 * 2/3

2/5

200

3/7 * 21/3

3

300

-3/4 * 8/15

-2/5

400

1/2 divided by 1/8

4

500

-3/7 divided by -2/9

27/14

Potpourri

100

What is the number 1 rule for adding or subtracting fractions?

Common Denominators

200

What are the natural numbers?

Whole numbers starting at 1

300

What are the integers?

Positive and negative whole numbers.

400

Give an example of a rational number. 

Any integer, fraction with a denominator that is not zero, a decimal that terminates or repeats. 

500

What makes a number irrational?

A decimal that doesn't terminate or repeat, or a fraction that has a zero in the denominator.