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# Jeopardy math - numeration unit

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### Jeopardy math - numeration unit

1. 1. 8 TH GRADE MATH (NUMERATION UNIT) Jeopardy
2. 2. Jeopardy Rational & Irrational #’s Square and Square Roots Cube and Cube Roots Pythagorean Theorem Miscellaneous 200 200 200 200 200 400 400 400 400 400 600 600 600 600 600 800 800 800 800 800 1000 1000 1000 1000 1000
3. 3. Rational & Irrational #’s - 200 <ul><li>How can all rational numbers be written? </li></ul><ul><li>As a ratio ( fraction) a ÷ b </li></ul><ul><li>Menu </li></ul>
4. 4. Rational and Irrational #’s - 400 <ul><li>Which of the following is an irrational number? </li></ul><ul><li>A. .999 </li></ul><ul><li>B. √36 </li></ul><ul><li>C. -7 </li></ul><ul><li>D. √18 </li></ul><ul><li>D </li></ul><ul><li>Menu </li></ul>
5. 5. Rational & Irrational #’s - 600 <ul><li>Write .03 repeating as a fraction (reduce). </li></ul><ul><li>3/99 = 1/33 </li></ul><ul><li>Menu </li></ul>
6. 6. Rational & Irrational #’s - 800 <ul><li>Explain why π is an irrational number. </li></ul><ul><li>The decimal never stops, it keeps going and going, so you can not make it into a simple fraction. </li></ul><ul><li>Menu </li></ul>
7. 7. Rational & Irrational #’s – 1000 <ul><li>Put these numbers in order from least to greatest. </li></ul><ul><li>24/3 √9 5.25 4¾ π -4.3 -√16 </li></ul><ul><li>-4.3, -√16, √9, π , 4¾ , 5.25, 24/3 </li></ul><ul><li>Menu </li></ul>
8. 8. Square and Square Roots - 200 <ul><li>What is the value of 14 2 ? </li></ul><ul><li>196 </li></ul><ul><li>Menu </li></ul>
9. 9. Square and Square Roots - 400 <ul><li>The square has an area of 15,876 ft 2 . What is the length of a side? </li></ul><ul><li>126 </li></ul><ul><li>Menu </li></ul>15,876
10. 10. Square and Square Roots - 600 <ul><li>Between what two perfect squares will you find the √19. </li></ul><ul><li>16 & 25 </li></ul><ul><li>Menu </li></ul>
11. 11. Square and Square Roots - 800 <ul><li>The area of the square is 158 in. 2 . Between what two consecutive whole numbers is the length of the sides? </li></ul><ul><li>12 & 13 </li></ul><ul><li>Menu </li></ul>158
12. 12. Square and Square Roots – 1000 <ul><li>The city has two square parks. Gordon Turner Park and Ottawa Art Park. They want to fertilize the lawn at both places. Gordon Turner is 380 ft. on each side and Ottawa is 350 on each side. The fertilizer is \$10 a jug for Gordon Turner and covers 2500 square feet with each jug. The fertilizer for Ottawa is \$14 a jug and covers 2600 square feet with each jug. </li></ul><ul><li>Which park costs less to fertilize and by how much? </li></ul><ul><li>Gordon Turner costs less to fertilize by \$92.00 </li></ul><ul><li>Menu </li></ul>
13. 13. Cube and Cube Roots - 200 <ul><li>What is the value of 12 3 ? </li></ul><ul><li> </li></ul><ul><li>1728 </li></ul><ul><li>Menu </li></ul>
14. 14. Cube and Cube Roots - 400 <ul><li>The cube has a volume of 2,744 ft 3 . What is the length of a side? </li></ul><ul><li> </li></ul><ul><li>14 </li></ul><ul><li>Menu </li></ul>2,744
15. 15. Cube and Cube Root - 600 <ul><li>Between what two perfect cubes will you find the ³√173. </li></ul><ul><li>125 & 216 </li></ul><ul><li>Menu </li></ul>
16. 16. Cube and Cube Roots - 800 <ul><li>The volume of the cube is 52,340in. 3 . Between what two consecutive whole numbers is the length of the sides? </li></ul><ul><li>37 & 38 </li></ul><ul><li>Menu </li></ul>52,340
17. 17. Cubes and Cube Roots - 1000 <ul><li>The school was doing an excavating project using two dump trucks. One had a box that was 5 ft. for each of the 3 sides. The other was 8 ft. for each of the three sides. The 5 ft. truck costs \$0.30 per cubic foot to run per load, while the 8ft. truck costs \$0.19 per cubic foot to run per load. </li></ul><ul><li>Which truck is cheaper to use and by how much? </li></ul><ul><li>The 5 ft. truck by \$59.78 a load. </li></ul><ul><li>Menu </li></ul>
18. 18. Pythagorean Theorem - 200 <ul><li>State the Pythagorean Theorem </li></ul><ul><li>A 2 + B 2 = C 2 </li></ul><ul><li>Menu </li></ul>
19. 19. Pythagorean Theorem - 400 <ul><li>What is the length of C? </li></ul><ul><li>C 7 </li></ul><ul><li> 24 </li></ul><ul><li>7 2 + 24 2 = C 2 49 + 576 = C 2 625 = C 2 √625 = 25 C=25 </li></ul><ul><li>Menu </li></ul>
20. 20. Pythagorean Theorem - 600 <ul><li>What is the length of A? </li></ul><ul><li>10 8 </li></ul><ul><li> </li></ul><ul><li> A </li></ul><ul><li>10 2 - 8 2 = A 2 100 - 64 = A 2 36 = A 2 √36 = 6 A=6 </li></ul><ul><li>Menu </li></ul>
21. 21. Pythagorean Theorem - 800 <ul><li>What is the length of B? </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li>B 26 </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> 10 </li></ul><ul><li>26 2 - 10 2 = B 2 676 - 100 = B 2 576 = B 2 √576 = 24 B=24 </li></ul><ul><li>Menu </li></ul>
22. 22. Pythagorean Theorem - 1000 <ul><li>On a baseball diamond the bases are 90 ft. apart. What is the distance from home plate to second base in a straight line? </li></ul><ul><ul><li> </li></ul></ul><ul><li>90 2 + 90 2 = C 2 8100 + 8100 = C 2 16200 = C 2 √16200 = 127.28 Home plate to second base =127.28 feet </li></ul><ul><li>Menu </li></ul>
23. 23. Miscellaneous- 200 <ul><li>What is the value of 3 -4 ? </li></ul><ul><li>1/81 </li></ul><ul><li>Menu </li></ul>
24. 24. Miscellaneous - 400 <ul><li>What is 25 0 ? </li></ul><ul><li>1 </li></ul><ul><li>Menu </li></ul>
25. 25. Miscellaneous - 600 <ul><li>What is – 8 + 5? Also, explain how to solve. </li></ul><ul><li>-3; they are opposites so you subtract 8-5 and -8 is bigger so the answer is negative. </li></ul><ul><li>Menu </li></ul>
26. 26. Miscellaneous - 800 <ul><li>Putting the following #’s in the proper spot. </li></ul><ul><li>-8 , 9, 3/9, 4.25 , 1.23233…., √2 , -10/5, √64 </li></ul><ul><li>Whole = √64, 9 Integers = -10/5, -8 Rational = 3/9, 4.25 Irrational = 1.23233…. , √2 </li></ul><ul><li>Menu </li></ul>
27. 27. Miscellaneous – 1000 <ul><li>Label which letter would go with which number. </li></ul><ul><li>A B C D E F </li></ul><ul><li> -5 -4 -3 -2 -1 0 1 2 3 4 5 6 </li></ul><ul><li>-1/9, π , -√17, 10/2, ³√196, -√4 </li></ul><ul><li>-1/9=C π =D -√17=A 10/2=E ³√196=F -√4=B </li></ul><ul><li>Menu </li></ul>