7 th Grade Math Jeopardy!

1. 7th Grade Math Jeopardy! 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

2. Scientific Notation for 100 Which shows 833,000 written in scientific notation? • 8.33 x 103 • 8.33 x 104 • 8.33 x 105 • 8.33 x 106 What is C) 8.33 x 105? Push the Space Bar to check your answer.

3. Scientific Notation for 200 Which shows 0.00096 written in scientific notation? • 9.6 x 10-3 • 9.6 x 10-4 • 9.6 x 10-5 • 9.6 x 10-6 What is B) 9.6 x 10-4? Push the Space Bar to check your answer.

4. Scientific Notation for 300 • Which shows 245,000 written in scientific notation? • 2.45 x 103 • 24.5 x 104 • 24.5 x 105 • 2.45 x 105 What is D) 2.45 x 105? Push the Space Bar to check your answer.

5. Scientific Notation for 400 Which shows 0.0000000887 written in scientific notation? • 8.87 x 10-7 • 8.87 x 10-8 • 88.7 x 10-9 • 8.87 x 10-9 What is B) 8.87 x 10-8? Push the Space Bar to check your answer.

6. Scientific Notation for 500 Which shows 0.0030211 written in scientific notation? • 3.0211 x 10-3 • 3.0211 x 104 • 30.211 x 10-4 • 30.211 x 103 What is A) 3.0211 x 10-3? Push the Space Bar to check your answer.

7. Problem-Solving with Percents for 100 6 is what percent of 10? • 60% • .6% • 6% • .60% What is A)60%? Push the Space Bar to check your answer.

8. Problem-Solving with Percents for 200 A sweater originally cost $37.50. Last week, Moesha bought it at 20% off. How much was deducted from the original price? • $7.50 • $17.50 • $20.00 • $30.00 What is A) $7.50? Push the Space Bar to check your answer.

9. Problem-Solving with Percents for 300 Carl borrowed $200 at 12% simple interest for one year. If he makes no payments that year, how much interest will he owe at the end of the year? • $6.00 • $12.00 • $22.40 • $24.00 What is D) $24.00? Push the Space Bar to check your answer.

10. Problem-Solving with Percents for 400 Tamika works in a shoe store and is paid a 12% commission on her sales. In January her sales total was $3740. To the nearest dollar, how much did Tamika earn in commission in January? • $312 • $449 • $3291 • $4189 What is B) $449? Push the Space Bar to check your answer.

11. Problem-Solving with Percents for 500 Jason bought a jacket on sale for 50% off the original price and another 25% off the discounted price. If the jacket originally cost $88, what was the final sale price that Jason paid for the jacket? • $22 • $33 • $44 • $66 What is B) $33? Push the Space Bar to check your answer.

12. Geometry for 100 What is the volume of the rectangular solid shown below? • 10 cubic inches • 25 cubic inches • 30 cubic inches • 62 cubic inches What is C) 30 cubic inches ? Push the Space Bar to check your answer.

13. Geometry for 200 What is the approximate area of the circle? • 31.40 in.2 • 19.63 in.2 • 15.70 in.2 • 7.85 in.2 What is B) 19.63 in.2? Push the Space Bar to check your answer.

14. Geometry for 300 Find the area of the figure. • 40 mi.2 • 52 mi.2 • 96 mi.2 • 46 mi.2 What is D) 46 mi.2? Push the Space Bar to check your answer.

15. Geometry for 400 What is the area of trapezoid QRST in square units? • 22 • 27 • 38 • 48 • T 8 Q • 5 • S 11 R What is C) 38 sq. units? Push the Space Bar to check your answer.

16. Geometry for 500 In the figure to the right, D is the midpoint of AC, and BD is perpendicular to AC. • What is the length of BD? a) 15 centimeters b) 16 centimeters c) 18 centimeters d) 20 centimeters Hint: Use the Pythagorean Theorem What is D) 20 centimeters? Push the Space Bar to check your answer.

17. Statistics for 100 What statement best describes the relationship between the number of hours watching TV and test scores? • As watching TV increases, test scores increase. • As watching TV increases, test scores decrease. • As watching TV decreases, test scores decrease. • No relationship. What is B? Push the Space Bar to check your answer.

18. Statistics for 200 What is C) 49? Push the Space Bar to check your answer.

19. Statistics for 300 • What is the median of the box-and-whisker plot? • 345 • 1979 • 4388.5 • 11,239 • 20,320 What is C) 4388.5? Push the Space Bar to check your answer.

20. Statistics for 400 • What is the probability the spinner will land on green? • ¼ or 25% • ½ or 50 % • ¾ or 75% • 100% What is A) 25%? Push the Space Bar to check your answer.

21. Statistics for 500 What is the median of the box-and-whisker plot? a)25 b)39 c)47 d)52 e)67 What is C)47? Push the Space Bar to check your answer.

22. Miscellaneous for 100 How many millimeters are in 20 centimeters? • 0.02 millimeters • 0.2 millimeters • 200 millimeters • 20,000 millimeters What is C) 200 millimeters? Push the Space Bar to check your answer.

23. Miscellaneous for 200 • Juanita earns $36 for 3 hours of work. At that rate, how long would she have to work to earn $720? • 12 hours • 20 hours • 60 hours • 140 hours What is C) 60 hours? Push the Space Bar to check your answer.

24. Miscellaneous for 300 What is A) -4/3 ? Push the Space Bar to check your answer.

25. Miscellaneous for 400 • Which is an irrational number? • - ½ • 0.89 • c) • d) What is D? Push the Space Bar to check your answer.

26. Miscellaneous for 500 What is C? Push the Space Bar to check your answer.