8th Math Unit 5 Review Jeopardy Template

Exponent Rules

Operating with Scientific Notation

Solving with Radicals

Irrational Versus Rational

Miscellaneous

100

Evaluate the Expression:

$(7+3)^0$

100

The mass of an ant is 0.002797 grams

How is this number written in scientific notation?

A. 2.797x10³

B. 2.797x10^-2

C. 2.797x10^-4

D. 2.797x10^-3

100

Which equation is true?

$A. sqrt(8)=2$

$B. sqrt(16) = 4$

$C. sqrt14=4$

$D. root(3)(9)=3$

$sqrt(16) = 4$

100

which number is irrational?

$A. 3.5$

$B. sqrt(36)$

$C. sqrt(48)$

$D. 37/100$

$C. sqrt(48)$

100

Give a decimal approximation for

$sqrt(38)$

6.2

200

Simplify 4^-6x 4⁴

$1/4^2 or 1/16$

200

Select all answers NOT in scientific notation:

A. 29.1x10¹²

B. 0.4x10⁴

c. 9.995x10^-24

D. 10.1x10^-2

E. 2.4x10¹¹

F. 1x10¹²

A,B,D

200

Solve x²=225

a. x=15

b. x=25

c. x=-5

$x=pm15$

200

Select the rational number

A. 4.12345608913240923845396943805832

$B. sqrt144$

$C. root(3)345$

$D. sqrt17/6$

$B. sqrt144$

200

What is the best approximation for

$sqrt23$

A. between 4 and 5

B. Between 2 and 3

C. Between 6 and 7

D. Between 1 and 2

A. Between 4 and 5

300

Simplify

2³ x 2^-4

$2^-1 or 1/2$

300

The area of the United States is 3789100 square miles. Which is the best estimation of this area?

a. 3x10⁶

b. 3x10⁷

c. 4x10⁶

d. 4x10⁷

c. 4x10⁶

300

solve for x when

$x^3=343/27$

$a. x=7/3$

$b. x=pm7/3$

$c. x=(7/3)^2$

$d.x=(7/3)^3$

$b. x=pm7/3$

300

Which number is irrational?

$A. root(3)343$

$B. sqrt169$

$C. sqrt13$

$D.12/4$

$C. sqrt13$

300

Which best matches the definition of an integer?

A. Positive and negative numbers

B. Counting numbers

C. Positive and negative whole numbers

D. Counting numbers including 0

C. Positive and negative whole numbers

400

Simplify

$2^16/2^5$

$a. 2^11$

$b. 2^4$

$c. 2^21$

$d. 2^12$

$a. 2^11$

400

A state park has two pools. The Olympic-sized pool holds 7.12x10⁵ of water and the smaller pool holds 3.27x10⁵ gallons of water. What is the combined total capacity of the pool?

Be sure your answer is in scientific notation.

1.039x10⁶ gallons of water

400

Solve

$x^2=123$

$A. x=pm12$

$B. x=12$

$C. x=sqrt123$

$D. x=pmsqrt(123)$

400

Mrs. Liscom is working decimal approximations and gets the following answer in demos:

2.666666666667

Why is 2.666666666667 a rational number?

a. it repeats

b. it terminates

c. it does not repeat

d. it does not terminate

a. it repeats

in a calculator, a repeating number greater than 5 will round up on the last digit. don't be fooled!

400

Classify as irrational, rational, integer, whole number, or natural number.

$root(3)27$

Natural number. simplifies to 3

500

Simplify the expression with positive exponents only.

$A. x^-2*y$

$B. y/x^-2$

$C. 1/(yx^2)$

$D. y/x^2$

$yx^2$

$y/x^2$

500

how many times larger is 1.2x10⁸ than 3x10⁶

a. 2 times larger

b. 3 times larger

c. 4 times larger

d. 6 times larger

c. 4 times larger

500

Mia completely covered a square bulletin board using 81 square feet of material without any overlap. Which measurement is closest to the side length of this bulletin board in feet?

a. 7 ft

b. 12 ft

c. 6 ft

d. 9 ft

500

Taryn enters

$8/9$

into the calculator and the display shows 0.88888888888889 choose all the true statements about this situation

a. 8/9 is rational because its decimal form terminates

b. 8/9 is rational because its decimal form repeats

c. 8/9 is rational because 8 and 9 are integers

d. 8/9 is irrational because its decimal form ins non-terminating

b. 8/9 is rational because its decimal form repeats

c. 8/9 is rational because 8 and 9 are integers

500

Classify the following number as irrational, rational, integer, whole number, or natural number:

3.123123123

Rational