Rational/Irrational Numbers

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Presentation transcript:

Rational/Irrational Numbers Math 8 Unit 2 Jeopardy Rational/Irrational Numbers Square/Cube Roots Scientific Notation Exponent Properties Equations $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 Final Jeopardy

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

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

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

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

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

Square/Cube Roots - $100 2

Square/Cube Roots - $200 3

Square/Cube Roots - $300 -5

Square/Cube Roots - $400 Undefined/not real

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

Scientific Notation - $100 Write 2.85 x 10-5 in standard form. 0.0000285

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

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

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

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

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

Exponent Properties - $200 Simplify:

Exponent Properties - $300 Simplify:

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

Exponent Properties - $500 Simplify:

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

Equations - $200 Solve: P = -6

Equations - $300 Solve: No solution

Equations - $400 Solve: Infinite/many solutions

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

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