1. Rational/Irrational Numbers
Math 8 Unit 2 Jeopardy
Rational/Irrational Numbers
Square/Cube Roots
Scientific Notation
Exponent Properties
Equations
$100
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$200
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$300
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$500
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Final Jeopardy

2. Rational/Irrational Numbers - $100
Which of these is an irrational number? C

3. Rational/Irrational Numbers - $200
Between which two integers is the value of
Between 4 and 5

4. Rational/Irrational Numbers - $300
Which of these is the closest approximation to the value of B

5. Rational/Irrational Numbers - $400
Is the following expression rational or irrational?
Rational

6. Rational/Irrational Numbers - $500
Estimate the value of the expression:
About 7

7. Square/Cube Roots - $100 2

8. Square/Cube Roots - $200 3

9. Square/Cube Roots - $300 -5

10. Square/Cube Roots - $400
Undefined/not real

11. Square/Cube Roots - $500 52 inches
If a square has an area of 169 square inches, what is the perimeter of the square?
52 inches

12. Scientific Notation - $100
Write 2.85 x 10-5 in standard form.

13. Scientific Notation - $200
Write 931,500,000 in scientific notation.
9.315 x 108

14. Scientific Notation - $300
A grain of sand has a mass of approximately 6 x 10-2 grams. Earth has a mass of approximately 6 x 1028 grams. How many times smaller is the mass of the grain of sand than the mass of Earth? D

15. Scientific Notation - $400
Identify the expression that does not belong with the other three. Explain why.
1.4 x 109; all other expressions are equivalent

16. Scientific Notation - $500
Enrique is finding the answer to the following problem. Identify his mistake and correct it.
1.3 x 10-4

17. Exponent Properties - $100
Write the expression 7-3 • 76 as a fraction or integer.
73 or 343

18. Exponent Properties - $200
Simplify:

19. Exponent Properties - $300
Simplify:

20. Exponent Properties - $400
Which expression is equivalent to (8x2y)(8yz2)?
64x2y2z2
64x2yz2
16x2y2z2
384x2y2z2 A

21. Exponent Properties - $500
Simplify:

22. Equations - $100
What are the possible solutions for a multi-step equation?
One solution, no solution, or infinite/many solutions

23. Equations - $200
Solve:
P = -6

24. Equations - $300
Solve:
No solution

25. Equations - $400
Solve:
Infinite/many solutions

26. Equations - $500
Will averages 18 points a game and is the all-time scoring leader on his team with 483 points. Tom averages 21 points a game and is currently second on the all-time scorers list with 462 points. If both players continue to play at the same rate, how many more games will it take until Tom and Will have scored the same number of total points?
7 games

27. Final Jeopardy
Write an equation to find the value of x so that each pair of polygons has the same perimeter. Then solve.
3x + 11 = 4x + 8
x = 3