Woodell -Math 7 SOL Review

Properties

100

Use the commutative property of addition to fill in the blank.

2 + 3 = 3 + __

2

200

What property is shown here?

5 x 0 = 0

MPOZ

300

What property is shown here?

6 x 1/6 = 1

Multiplicative Inverse

400

What properties are used in the following?

Given: 3(6+ -6) - 14

Step 1: 3(0) - 14

Step 2: 0 - 14 = -14

Additive Inverse, MPOZ

500

What property is shown here?

(2 + 3) x 4 = 4 x (2 + 3)

Commutative Property of Multiplication

Percents

100

Roger wants to buy a new computer. Best Buy sells one for $740 and he has a coupon for 35% off. How much does he pay for the PC?

$481

200

Joe buys 5 candy bars from the dollar store. VA state tax is 6%. How much does he pay in total for his candy?

$5.30

300

Mike buys a washer and dryer combo from Sears. They cost $1200 but they're on sale for 40% off. How much does Mike save here?

$480

400

Charles and his 2 friends go out to lunch. Their bill was $45 and they want to leave an 18% tip. Calculate the final bill and how much each would have to pay.

$53.10, $17.70

500

14 is what percent of 82? 

17

Probability

100

I have 4 red shirts, 9 green shirts and 7 blue shirts. What's the probability I will choose a green shirt without looking?

9/20

200

I want to order a meal (sandwich, side, and a drink) from Wendy's. There are 10 sandwiches to schoose from, 3 sizes of fries, and 4 sizes of drink. How many combinations can I choose from?

120

300

What is the difference between theoretical and experimental probability? 

Theoretical is what we an expect. Experimental is what actually happens. 

400

What is the probability of rolling an even number on a 20-sided die?

50%

500

I need to make a 5 digit passcode. I can use the digits 0-9 but I CANNOT REPEAT a digit. How many possible code combinations are there? 

30,240

Patterns, Equations, Inequalities

100

The next three terms in the pattern 1, 4, 7, 10, ___, ____, ____

13, 16, 19

200

What's the difference between a geometric sequence and an arithmetic sequence? 

Geometric has a common ratio (multiply or divide) and Arithmetic has a common difference (add or subtract).

300

Solve and describe the graph:

-3x > 15

x < -5, open circle to the left

400

Solve:

2(x + 1) = 16

x = 7

500

Solve for x: 

2x + 1 = 9

x = 4

Number Sense

100

Which is less than 22,874?

A) 1.78 x 10⁶

B) 2.43 x 10⁵

C) 2.18 x 10⁴

D) 2.55 x 10⁴

C

200

What is the absolute value of -30?

30

300

Solve: 4[3 + 7(9²)]

2400

400

Simplify: 

2(30 - (-2)) + -12

52

500

Place in order from least to greatest:

6.7%, -6/9, 0.66, 6.7 x 10^-3

-6/9, 6.7 x 10^-3, 6.7%, 0.67