Pre-Algebra Review

Rounding

100

Round 671 to the nearest ten.

670

200

Round 98,765 to the nearest ten thousand.

100,000

300

Round 12.756 to the nearest tenth.

12.8

400

Round 1,496.72 to the nearest whole number.

1,497

500

Round 0.9964 to the nearest hundredth.

1

Substitution

100

Evaluate x+5 when x=3.

8

200

Evaluate 5x−8 when x=6.

22

300

Evaluate 3(x+2) when x=5.

21

400

Evaluate 2x²−3 when x=4.

29

500

Evaluate 2x+3y−5 when x=4, y=2.

9

Solve Equations

100

Solve x+9= −6

x= −15

200

Solve 2x+5=17

x=6

300

Solve 3x+5=2x+12

x=7

400

Sole 3(x+4)=24

x=4

500

Solve 3(x+4)−2x=18

x=6

Linear Equations

100

Identify the slope m. 

y=2x+5

slope(m)=2

200

Identify slope and y-intercept.

y=−4x−2

Slope(m)= −4

y-intercept= −2

300

Identify slope and y-intercept.

y=−2x

Slope(m)= −2

y-intercept= 0

400

Identify slope and y-intercept.

y=x

Slope(m)= 1

y-intercept= 0

500

Identify slope and y-intercept.

y=−7

Slope(m)= 0

y-intercept= −7

Order of Operations

100

Evaluate 8+5•2

18

200

Evaluate (18−6)÷3

4

300

Evaluate 2³−3

5

400

Evaluate 5²−3•4

13

500

Evaluate 5²−3(4+2)

7