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Do not rush through the questions You may do working out on paper if you need to Q25. Which number is a prime number ? 23 12 49 76 35 Q26. Which number is a square number ? 23 12 49 76 35 Q27. Which number is an odd number ? 23 12 28 76 35 Q28. What is the value of 2 x 2 x 2 x 3 ? Q29. Round 49 to the nearest 10 Q30. Round 219 to the nearest 100 Q31. Round 4391 to the nearest 1000 Q32. 4 8 Complete the function machine x 3 x 3 Q33. 7 Complete the function machine x 2 x 2 8 Q34. Complete this one : 71 x 87 ... 39 x 58 .... 40 x 60 = 2400 Here is an example of how to estimate to 1 significant figure x = One 1 litre paint will cover 6m2 of a wal1 How litres pf paint are needed to cover 23m2 ? Q35. Q36. 25 3 + 2 x 5 13 Q37. 28 (5 + 2) x 4 13 Q38. 21 3 + 2 x 4 + 1 25 12 Q39. 21 3 + 2 x (4 + 1) 13 25 Q40. What is the value of underlined digit ? TENS UNITS THOUSANDS HUNDREDS 6347 Q41. What is the value of underlined digit ? tenths hundredths thousandths units 2.47 Q42. 10 x 10 x 10 x 10 = 10 10 x 10 = 102 Q43. Round 5.18 to the nearest whole number Q44. Round 5.18 to 1 decimal place Q.45 Simplify the fraction 15 20 Q.46 Simplify fully the fraction 24 30 Write this mixed number as an improper fraction Q47. 3 2 5 Write this improper fraction as a mixed number Q48. 3 1/4 2 7/8 23 8 2 5/8 2 6/8 Q49. 289 4.6 x 7.9 11.6 3............ 1.65 Q50. Write 40 as a product of prime factors 2 x 2 x 2 x 5 2 x 4 x 5 2 x 3 x 3 x 5 8 x 5 |