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Worksheets8th grade review
Total questions: 22
Worksheet time: 1hrs 22mins
Name
Class
Date
1.
Nicolas places his 30 foot ladder against a house he is painting. If the foot of the ladder is 8 feet from the base of the house, how high above the ground is the top of the ladder touching the house? Round to the nearest tenth.
a)
22.0 ft
b)
27.8 ft
c)
28.9 ft
d)
31.0 ft
2.
Which scatter plot shows a linear relationship between x and y?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
3.
What is .0002 in scientific notation?
a)
2.0 x 10-2
b)
2.0 x 10-3
c)
2.0 x 10-4
d)
2.0 x 10-5
4.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
5.
What is the unit rate in this proportional relationship?
a)
60 miles/1 hour
b)
120 miles/ 2 hours
c)
1 mile/ 1 hour
6.
a)
Function
b)
Not a Function
7.
Solve.
3 - 5x = -9 + x
3 - 5x = -9 + x
a)
4
b)
3
c)
2
d)
1
8.
If the debate team practiced for 4 hours, how many debates are they expected to win?
a)
20
b)
16
c)
8
d)
12
9.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
10.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red? Write it in simplest form.
a)
3/10
b)
3/9
c)
1/9
d)
1/3
11.
WIRR helps to remember the order of real numbers. What is the correct order?
a)
Whole Integers Rational Real Numbers
b)
Rational Whole Counting Integers
c)
Counting Integers Whole Rational
d)
Irrational Integers Counting Rational
12.
Diagonal
a)
Pythagorean Theorem
b)
Square Root
c)
Rise over Run
d)
Menu 31
13.
The point that crosses through the Y-AXIS is called...
a)
y-intercept
b)
non-proportional
c)
origin
d)
table
14.
If the scale factor is more than one, what happens to the figure?
a)
gets bigger
b)
gets smaller
c)
stays the same
d)
flips over
15.
Which list shows Whole Numbers?
a)
0 1 2 3 4 5....
b)
1 2 3 4 5 6....
c)
-4 -2 0 2 4
d)
fractions decimals percents
16.
Simplify the radical...
√20a²b⁴
a)
2ab²√5
b)
4ab²√5
c)
5ab²√2
d)
2a²b²√5
17.
Simplify
√45n3
√45n3
a)
3n√5n
b)
4n√8
c)
4n√-8
d)
10√n
18.
Simplify 4√75
a)
4√5
b)
12√5
c)
20√3
d)
7√3
19.
Amanda has to pay taxes on her annual salary and investments. Which type of tax is Kimberly paying?
a)
Sales Tax
b)
Property Tax
c)
Payroll Tac
d)
Income Tax
20.
Alyssa has her first job at the local bakery. After working for one week, she received her first paycheck. The total amount of money she is able to put in the bank is $75.62. What type of income does this amount describe?
a)
Gross Income
b)
Net Income
c)
Both Gross and Net Income
d)
None of the above
21.
Amarise's salary has a net income of $235 per week. If she pays $30 in income tax and $15 in payroll tax, how could Juliette determine her gross income? Why?
a)
235 – 30 – 15 = $190 Net income minus all deductions equals gross income.
b)
235 + 15 = $250 Net income plus payroll tax deductions equals gross income.
c)
235 + 30 = $265 Net income plus income tax deductions equals gross income.
d)
235 + 30 + 15 = $280 Net income plus all deductions equals gross income.
22.
Jonathan's new clothes cost a total of $572.50 before tax. What type of tax does Jonathan have to pay for his new clothes?
a)
Income Tax
b)
Property Tax
c)
Payroll Tax
d)
Sales Tax
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