Algebra

Numbers (ch2)

100

What is a natural number? (two points)

a whole, positive number

200

Round 13.785 to two decimal places

13.79

300

Solve (5 + 2)² - 6

43

400

simplify: 2/7 + 1/14

5/14

500

Find the value of 3/5 of 20.

12

Simplifying Expressions

100

a + a + a

3a

200

2x + 4x

6x

300

4x - 2y + 3x + y

7x - y

400

7a + b - 5a - 4b

2a - 3b

500

x² + 3x + 2x² - x + 4

3x² + 2x + 4

Simplifying Expressions

100

x + x + x + x

4x

200

4a - 2a

2a

300

5p + 2q - 3p + q

2p + 3q

400

3x - 4y - 6x + 5y 

-3x + y

500

x² + 3x + 2x² + 3x -2

3x² + 6x -2

Forming Expressions

100

3 times b

3b

200

1 more than y

y + 1

 

300

the sum of a and b

a + b

400

3 multiplied by a

3a

500

b times b times b

b³

Forming Expressions

100

5 more than y

y + 5

200

4 times x

4x

300

x times x 

x²

400

a time a times a

a³

500

a less than b

b - a