Unfair Game EOY Review

Absolute Value

1

Find the absolute value of:

|-10|

Absolute value is the distance from zero.

10

2

Which is greater:

|-6| or |3|

The absolute value of a number is the number's distance from zero.

|-6|

3

Place the following in order from smallest number, to biggest number:

|-20|, 18, |12|, |-14|, 8

The absolute value of a number is the number's distance from zero.

8, |12|, |-14|, 18, |-20|

4

What is:

|-7| + |-2| - |10|

The absolute value of a number is the number's distance from zero.

-1

5

2² x |-5| + |4| - 6 x 4

Remember to use your order of operations.

0

Exponents

1

Write the exponent in expanded form

2⁴

2 x 2 x 2 x 2

2

How can you rewrite 9³ in expanded form?

9 x 9 x 9

3

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

7⁵

4

What is the value of:

8⁴

4096

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

5

What is the value of:

2³ + 3² - 4

13

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

Order of Operations

1

Simplify the following expression:

62

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

2

Simplify the following expression:

5

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

3

3 + 4² x (3 + 2)

83

4

45

5

30

Adding Integers

1

-4 + -5

 -9

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

2

14 + -12

2

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

3

-10 + 15

5

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

4

-2 + -3 + 5

0

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

5

6 + (-2 + -5)

-1

Distributive Property

1

8(4+2) = ?

48

2

5(x - 3)

5x - 15

3

-9(2x - 3)

-18x + 20

4

10 -3(-x - 10)

3x + 40

5

(6x + 10) - (x + 3) 

5x + 7

Fractions, %, and decimals

1

which is largest, 25%, 0.027, or 2/5?

25%

2

Which is smallest, .23, 22%, or 1/5?

1/5

3

what is 236% written as a decimal?

2.36

4

what is 4/5 written as a percent?

80%

5

What is 0.34 written as a fraction?

34/100 or 17/50

Rate and Ratio

1

Balia knows that 6 cups of rice will feed 15 people.  How many cups of rice are needed to feed 135 people?

54 cups

2

A train in Japan can travel 813.5 miles in 5 hrs.  Find the unit rate in miles per hour

162.7 mi / hr

3

Arrange from fastest to slowest:

Abel reads 50 pages in 45 minutes; Brian reads 90 pages in 75 minutes; Charlie reads 175 pages in 2 hours

Charlie, Brian, Abel

4

An ice skater covered 1500 meters in 106 seconds.  What is her unit rate in meters per second

14.15 m per second

5

Arrange from who spends the most to the least if they buy lunch 5 days per week:

Alice spends $3 per day; Betty spends $25 every 2 weeks; Cindy spends $75 per month (assume 4 weeks in a month)

Cindy, Alice, Betty