Foundations of Algebra - S1

Rational or Irrational

100

1

Rational - a whole number

200

-1

Rational - an integer

300

3.25

Rational - a decimal that terminates

400

3.14159265359...

Irrational - a decimal that does not repeat or terminate

500

3/11

Rational - a fraction of integers, also makes a repeating decimal

Simplify the Fractions

100

Simplify 8/20

2/5

200

Simplify 9/27

1/3

300

Simplify 44/56

11/14

400

Simplify 120/140

6/7

500

Simplify 157/189

157/189

Exponent Rules and Translating Expressions

100

Use an exponent to condense the expression:

8 x 8 x 8

8³

200

Simplify to a single power of 5:

5² x 5⁴

5⁶

300

Simplify to a single power of 5:

5⁹ / 5⁴

5⁵

400

Translate this expression:

Five more than twice a number

5 + 2x

500

Translate this expression:

10 less than a number

x - 10

Percents

100

What is 50% of 100?

50

200

What is 18% of 20?

3.6

300

What is 20% of 40?

8

400

What is 100% of 350?

350

500

15 is what percent of 50?

30%