***7/8 Summer Clinic Review

Classify this number

100

This is the only number that can be classified as a whole number but NOT a natural number? 

What is 0?

200

Classify 

sqrt 36

What is a whole number? 

because the value of this number is 6

300

Why is pi considered an irrational number? 

Because it is a non-terminating non-repeating decimal.

400

Classify 

- sqrt 64

What is an integer? 

because the value of this number is -8

500

Classify 

sqrt 47

What is an irrational number?

The square root of this number is not a perfect square

Square roots of non-perfect squares.

100

(A) 12         (B)6             (C) 24

Which of the answer choices shown above is closest to 

sqrt 38

What is answer choice B?

200

Which is greater  

24/4 

sqrt 62

What is the square root of 62? 

The square root of 62 is close to 8 and the value of 24/4 is 6

300

Which is greater pi or 

sqrt 18

What is the square root of 18? 

pi = about 3.14  

and the square root 18 is a little more than 4

400

The area of a square wall is 213 square feet. Which of the following is the closest to the measure of one side of the wall? 

(A) 15.4    (B) 59.3    (C) 25

What is answer choice A? 

15^{2 =}  225

500

Which value of x makes this equation true? 

            x > 18/4

x =pi    

x =   5

x = sqrt 16

18/4 = 4.5

Operations with Integers

100

This is the value of

- 32 - (- 8)

What is - 24? 

200

This is the value of

(- 6) (-10)

What is 60?

300

This is the value of

- 52 - (- 12)

What is - 40?

400

This is the value of 

85/-5

What is -17 ?

500

This is the value of 

326 + (- 425)

What is -99? 

Powers and Exponents

100

Evaluate 3²

What is 9?

200

Evaluate m³ if m = 5

What is 125? 

300

Which is greater

(-5)² or -5²

What is -5² ?

 because the value of -5² is -25 but 

the value of (-5)² is 25

400

Evaluate 2 cubed

What is 8?

(2)(2)(2)

500

Which is greater (-5)³ or 4²

What is 4²?

-125 < 16

Scientific Notation

100

This is the value of 2.3 x 10⁷ 

What is 23,000,000?

Twenty-three million 

200

This is the value of 2.3 x 10^-3

What is 0.0023?

300

This is the exponent used to write 4,631,000 in scientific notation

 What is 6?

400

This is the exponent used to write 0.00235 in scientific notation?

What is -3?

500

This is the value of 4.28⁰

What is 1?

2 step Equations

100

This is the value of x in this equation

2 x + 3 = 11

What is 4? 

200

This is the value of x in this equation.

2x - 6 = 12

What is 9?

300

This is the value of x in this equation. 

x/-3 + 3 = -2

What is 15?

400

This is the value of x in this equation.

-5x + 8 = - 7

What is 3?

500

This is the value of x in this equation.

8 - 2x = 16

What is -4?