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# Maths Week Decathlon

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### Maths Week Decathlon

1. 1. Maths Week Decathlon No Calculators allowed! (except Kola  )
2. 2. Event 1:100 metres <ul><li>10 quick questions, 1 point per correct answer. </li></ul>1. 7 + 5 = 3. 27 + 13 = 2. 12 - 8 = 5. 16 + 17 = 7. 101 - 50 = 9. 43 - 23 = 4. 58 - 27 = 6. 12 + 0 = 8. 13 + 16 = 10. 61 - 19 =
3. 3. Event 2: Squat Thrusts <ul><li>You will be given a starting number. </li></ul><ul><li>Keep adding 21 to this number for 1 minute, writing down your answers as you go. </li></ul><ul><li>1 point for each successful addition until a mistake is made or time is up. </li></ul>Starting number : 53
4. 4. Event 3: 200 metres <ul><li>Twice as long as 100m. 1 point per correct answer. </li></ul>1. 4 x 3 = 2. 7 x 3 = 3. 16 x 2 = 4. 5 x 9 = 5. 7 x 4 = 6. 12 x 0 = 7. 11 x 1 = 8. 9 x 9 = 9. 1 x 1 = 10. 3 x 4 = 11. 6 x 5 = 12. 8 x 2 = 13. 9 x 4 = 14. 11 x 3 = 15. 10 x 10 = 16. 8 x 4 = 17. 6 x 6 = 18. 12 x 10 = 19. 7 x 7 = 20. 12 x 12 =
5. 5. Bonus Round <ul><li>You have 1 minute to write down ten sports that are in the Olympic games and bring them to the front – GO!!! </li></ul>
6. 6. Event 4: Weightlifting <ul><li>You choose your weight to lift by choosing 1 question to answer. </li></ul><ul><li>2 minutes allowed. </li></ul><ul><li>32 x 8 (1 point) </li></ul><ul><li>64 x 28 (3 points) </li></ul><ul><li>484 x 87 (5 points) </li></ul><ul><li>25648 ÷ 16 (7 points) </li></ul><ul><li>281.442 ÷ 201.03 (10 points) </li></ul>
7. 7. Event 5: Steeplechase <ul><li>1 point per question until you fall off your horse (get an answer wrong). </li></ul>1. 14 x 6 = 2. 23 x 5 = 3. How much do 6 chocolates at \$1.20 each cost? 4. 30906 ÷ 3 = 5. 164056 ÷ 2 = 6. How many days in a leap year? 7. 8.8 x 3 = 8. 1.6 x 0.8 = 9. 87.09 x 0.3 = 10. Write the following number in figures backwards: Thirteen thousand eight hundred and twenty nine.
8. 8. Event 6: Dips on the Parallel Beams <ul><li>Like the squat thrusts you have 1 minute to repeat the following as much as you can. </li></ul><ul><li>1 point per correct answer until you make a mistake or time is up. </li></ul><ul><li>Subtract 8 each time from the starting number. </li></ul>Starting number: 487
9. 9. Bonus Round <ul><li>Send one member of your group to the front. </li></ul>
10. 10. Event 7: 800 Metres <ul><li>Longer race. 1 point per correct answer. </li></ul>1. 16 + 18 + 3 = 2. 21 + 34 + 7 = 3. 104 + 397 = 4. 69 + 87 = 5. 18 + 19 + 17 = 6. 64 + 36 - 51 = 7. 12 x 6 - 33 = 8. 54 + 12 - 16 = 9. 3 x 2 x 2 x 2 = 10. 4 x 4 x 4 = 11. 5 x 12 ÷ 6 = 12. 9 x 12 ÷ 2 = 13. What is the cost of 3 shirts at \$35.50 each? 14. 16 + 32 + 12 - 60 = 15. 12 x 10 x 1 = 16. 427 x 0 = 17. (13 + 17) x 3 = 18. 47 + 293 - 61 = 19. 12 x 12 x 2 = 20. 34 x 16 ÷ 8 =
11. 11. Event 8: Swimming <ul><li>The length of the pool is 192 metres. You swim the first length going up in 12’s, and then coming back in 16’s. </li></ul><ul><li>Write down all your answers, 1 point per correct calculation. </li></ul>First length: starts at 0 go up in 12’s Return: start at 192, come back in 16’s
12. 12. Event 9: The Mile <ul><li>There are 1.6 km in a mile. </li></ul><ul><li>Make these conversions, 1 point per correct answer. </li></ul>1. 2 miles into km = 2. 4 miles into km = 3. 11 miles into km = 4. 15 miles into km = 5. 0.5 miles into km = 6. 16 km into miles = 7. 4.8 km into miles = 8. 32 km into miles =
13. 13. Bonus Round <ul><li>You have one minute to write down the names of ten different animals and circle your favourite one – GO!!! </li></ul>
14. 14. Event 10: The Triple Jump <ul><li>You must perform 3 operations on each number given. </li></ul><ul><li>1 point per correct answer. </li></ul><ul><li>For each number, Add 3, multiply by 4, then halve. </li></ul>1. 1 2. 3 3. 7 4. 2 5. 8 6. 10 7. 22 8. 16 9. 0.5 9. 0.5 10. 0.75
15. 15. Answers <ul><li>Swap with the group beside you to mark the answers. </li></ul><ul><li>Write down a total for each event. </li></ul><ul><li>Add up all the event totals to get an overall total. </li></ul>
16. 16. Event 1 <ul><li>1) 12 2) 4 3) 40 </li></ul><ul><li>4) 31 5) 33 6) 12 </li></ul><ul><li>7) 51 8) 29 9) 20 </li></ul><ul><li>10) 42 </li></ul>
17. 17. Event 2 <ul><li>53, 74, 95, 116, 137, 158, 179, 200, 221, 242, 263, 284, 305, 326, 347, 368, 389, 410, 431, 452, 473, 494, 515, 536, 557, 578, 599, 620, 641, 662, 683, … </li></ul>
18. 18. Event 3 <ul><li>1) 12 2) 21 3) 32 </li></ul><ul><li>4) 45 5) 28 6) 0 </li></ul><ul><li>7) 11 8) 81 9) 1 </li></ul><ul><li>10) 12 11) 30 12) 16 </li></ul><ul><li>13) 36 14) 33 15) 100 </li></ul><ul><li>16) 32 17) 36 18) 120 </li></ul><ul><li>19) 49 20) 144 </li></ul>
19. 19. Event 4 <ul><li>1) 256 2) 1792 3) 42108 </li></ul><ul><li>4) 1603 5) 201.03 </li></ul>
20. 20. Event 5 <ul><li>1) 84 2) 115 3) 7.20 </li></ul><ul><li>4) 10302 5) 82028 6) 366 </li></ul><ul><li>7) 26.4 8) 1.28 9) 290.3 </li></ul><ul><li>10) 92831 </li></ul>
21. 21. Event 6 <ul><li>487, 479, 471, 463, 455, 447, 439, 431, 423, 415, 407, 399, 391, 383, 375, 367, 359, 351, 343, 335, 327, 319, 311, 303, 295, 287, 279, 271, 263, 255, 247, 239, 231, 223, 215, 207, 199, 191, 183, 175, 167, 159, 151, 143, 135, 127, 119, 111, 103, 95, 87, 79, 71, 63, 55, 47, 39, 31, 23, 15, 7. </li></ul>
22. 22. Event 7 <ul><li>1) 37 2) 62 3) 501 </li></ul><ul><li>4) 156 5) 54 6) 49 </li></ul><ul><li>7) 39 8) 50 9) 24 </li></ul><ul><li>10) 64 11) 10 12) 54 </li></ul><ul><li>13) 106.50 14) 0 15) 120 </li></ul><ul><li>16) 0 17) 90 18) 279 </li></ul><ul><li>19) 288 20) 68 </li></ul>
23. 23. Event 8 <ul><li>1st length – 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 180, 192 </li></ul><ul><li>Return – 192, 176, 160, 144, 128, 112, 96, 80, 64, 48, 32, 16 </li></ul>
24. 24. Event 9 <ul><li>1) 3.2 2) 6.4 3) 17.6 </li></ul><ul><li>4) 24 5) 0.8 6) 10 </li></ul><ul><li>7) 3 8) 20 </li></ul>
25. 25. Event 10 <ul><li>1) 8 2) 12 3) 20 </li></ul><ul><li>4) 10 5) 22 6) 26 </li></ul><ul><li>7) 50 8) 38 9) 7 </li></ul><ul><li>10) 7.5 </li></ul>