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Welcome to the Lordswood, Year 7, 10 minute maths-off! You have 10 minutes to answer (and check) as many of these questions as you can. You need 15 points to win a round. The person with the most rounds at the end of this half term, wins! You may warm up for each round at home! You will find a copy of this on the VLE! But you must not bring your warm up work into lessons and you must still show all of your workings! 10 minute maths-off Ding, Ding - Round One! Final answer Points Order these numbers from smallest to largest: 5, -3, 1, -2, -1, -4. 1 Estimate an answer to £61.23 + £40.98 3 328 x 3 = ? 2 294 ÷ 4 = ? 2 -6 + 9 = ? 1 Write the first 10 multiples of 7. 1 62 = ? 2 =? 2 What is the value of the 8 in 6384? 1 Round 937 to the nearest 10. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Two! Final answer Points Order these numbers from smallest to largest: -4, 2, -1, 3, -5, 4. 1 Estimate an answer to £24.19 + £19.98 3 644 x 8 = ? 2 385 ÷ 7 = ? 2 -8 + 12 = ? 1 Write the first 10 multiples of 4. 1 82 = ? 2 √9 = ? 2 What is the value of the 7 in 5706? 1 Round 1005 to the nearest 10. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Three! Final answer Points Order these numbers from smallest to largest: 0, 3, -7, 1, -1, 2. 1 Estimate an answer to £121.99 + £29.70 3 7 x 332 = ? 2 688 ÷ 8 = ? 2 -3 + 11 = ? 1 Write the first 10 multiples of 8. 1 42 = ? 2 √81 = ? 2 What is the value of the 8 in 8527? 1 Round 5972 to the nearest 10. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Four! Final answer Points Order these numbers from smallest to largest: 0, 3, -7, 1, -1, 2. 1 Estimate an answer to £101 + £67 3 9 x 875 = ? 2 504 ÷ 9 = ? 2 -11 + 23 = ? 1 Write the first 10 multiples of 11. 1 92 = ? 2 √49 = ? 2 What is the value of the 9s in 9898? 1 Round 533 to the nearest 100. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Five! Final answer Points Order these numbers from largest to smallest:3, -4, -1, 0, 5, -6, 1. 1 Estimate an answer to £169 - £37 3 45 x 0.4 = ? 2 92 ÷ 4 = ? 2 -22 + 17 = ? 1 Write the lowest common multiple of 2 and 5. 2 122 = ? 2 √100 = ? 2 What is the value of the 7 in 6075? 1 Round 4750 to the nearest 100. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Five! Final answer Points Order these numbers from smallest to largest: 5, -3, 1, -2, -1, -4. 1 Estimate an answer to £61.23 + £40.98 3 328 x 3 = ? 2 294 ÷ 4 = ? 2 -6 + 9 = ? 1 Write the first 10 multiples of 7. 1 62 = ? 2 =? 2 What is the value of the 8 in 6384? 1 Round 937 to the nearest 10. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Five! Final answer Points Which of these numbers is smaller than -3?: -2, 0, 3, -5, 4, -4, 1, -7 1 Estimate an answer to £712.18 - £17.98 3 328 x 0.3 = ? 2 80 ÷ 5 = ? 1 -19 + 34 = ? 1 What is the lowest common multiple of 3 and 5? 2 162 = ? 2 √121 = ? 2 Write 6834 in words. 1 Round 7996 to the nearest 100. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Six! Final answer Points Which of these numbers are larger than -5?: -9, -14, 2, -3, 0, -4, 1 1 Estimate an answer to £414 - £317.12 3 573 x 0.45 = ? 2 96 ÷ 8 = ? 1 -35 + 17 = ? 1 What is the lowest common multiple of 3 and 10? 2 702 = ? 2 √169 = ? 2 Write 7692 in words. 1 Round 124 to the nearest 100. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Seven! Final answer Points Order these numbers from smallest to largest: 3, -4, 0, 2, -1, -3 1 Estimate an answer to 56.7o + 12.9o 3 73 x 15 = ? 2 76 ÷ 4 = ? 1 -14 + 14 = ? 1 What is the lowest common multiple of 8 and 12? 2 502 = ? 2 √16 = ? 2 Write 9075 in words. 1 Round 156 to the nearest 10. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Eight! Final answer Points Order these numbers from smallest to largest: 0, 1, -6, 2, -1, 3 1 Estimate an answer to 71.9o + 21.3o 3 362 x 87 = ? 2 90 ÷ 6 = ? 1 -14 + 21 = ? 1 What is the LCM of 2 and 15? 2 142 + 22 = ? 2 √1 = ? 2 In the number 8675, what is the value of the 6? 1 Round 54 to the nearest 10. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Nine! Final answer Points Order these numbers from smallest to largest: 5, 0, 1, -3, -5, 2 1 Estimate an answer to 89o + 71o 3 675 x 39 = ? 2 96 ÷ 6 = ? 1 5-9=? 1 What is the LCM of 7 and 8? 2 53 = ? 2 √400 + √49 = ? 2 Write the number ‘Five thousand and seven’ in figures. 1 Round 1735 to the nearest 10. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Ten! Final answer Points Order these numbers from largest to smallest: 1, -9, -5, 4, -1, 0 1 Estimate an answer to 156o - 92o 3 386 x 75 = ? 2 135 ÷ 3 = ? 1 7 - 22 = ? 1 What is the LCM of 13 and 2? 2 192 = ? 2 √64 + √100 - √25 = ? 2 Write the number 3564 in words. 1 Round 7364 to the nearest 100. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Eleven! Final answer Points Which is larger? 0.45 or 0.405 2 Estimate an answer to 37.9oC – 15.4oC 3 744 x 88 = ? 2 852 ÷ 4 = ? 1 -2 - 9 = ? 1 What is the LCM of 2, 3 and 4? 2 73 = ? 2 √1 = ? 1 What is the value of the underlined digit in 15383? 1 Round 869 to the nearest 100. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Twelve! Final answer Points Which is larger? 1.623 or 1.7 2 Estimate an answer to 5089 + 15 + 657 2 374 x 882 = ? 2 936 ÷ 9 = ? 1 -9 - 22 = ? 1 What is the LCM of 4, 5 and 6? 2 83 - 162 = ? 1 √49 = ? 1 What is the value of the underlined digit in the number 184628? 1 Round 7288 to the nearest 1000. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Thirteen! Final answer Points Which is larger? 1.08 or 1.121 2 Estimate an answer to 994 + 47 - 16 2 724 x 385 = ? 2 980 ÷ 7 = ? 1 -1 - 15 = ? 1 What is the LCM of 6 and 10? 1 3 2 x 52 + 6 2 = ? 3 √169 = ? 1 What is the value of the underlined digit in the number 8365426? 1 Round 65395 to the nearest 1000. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding - Round Fourteen! Final answer Points Which is larger? 0.004 or 0.011 2 Estimate an answer to 4052 + 88 + 34 - 675 2 845 x 557 = ? 2 948 ÷ 4 = ? 2 17 – (25 + 6) = ? 1 What is the LCM of 6 and 10? 1 72 + 4 3 = ? 2 √169 + √49= ? 1 What is the value of the underlined digit in the number 1954683? 1 Round 127484 to the nearest 10. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding – Round Fifteen! Final answer Points Which is larger? 2.44 or 2.428 2 Estimate an answer to 485 + 67 + 9756 1 488 x 495 = ? 2 6336 ÷ 12 = ? 1 5 – (8 + 1) = ? 2 What is the LCM of (1+2) and (8-2) 1 1002 - 103 = ? 2 √25 + √49 – (√16 + √9) = ? 2 What is the number in the ten-thousands column of 127356? 2 Round 127484 to the nearest 1000. 1 I have come into the room how I am supposed to. 1 I have checked my own answers by working backwards. 2 Ding, Ding, Ding! Down tools! Time’s up!! 10 minute maths-off Ding, Ding – KNOCK OUT! 10 POINTS TO WIN! Final answer Points Order these numbers with the largest first: -0.4, 0.4, -0.46, 5, 1 1 Estimate an answer to 24682379 – 182819 1 3049 x 659 = ? 1 72048 ÷ 12 = ? 1 -16 – 5 + 33= ? 1 What is the LCM of 9 and 16? 1 32 + 42 = __2 1 √(√289 - √1) = ? 1 Use the digits 0, 2, 4, 5, 6, 7, 8 to make a number where the 2 stands for twenty-thousand. 1 Round 12846 to the nearest 100. 1 I have checked my own answers by working backwards. 1 Ding, Ding, Ding! Down tools! Time’s up!!