Know and apply standard form, significant figures, rounding, and decimal place value
Know and apply standard form, significant figures, rounding, and decimal place value
| 1. | Round to nearest 10 000: 16 258 11 100 65 196 | |
| 2. | Round to nearest 10 000: 15 369 85 587 78 444 | |
| 3. | Round to nearest 1000: 12 211 36 950 104 401 | |
| 4. | Round to nearest 1000: 28 650 10 070 19 01 | |
| 5. | Round to the nearest 10 000: 14 602 32 987 57 704 | |
| 6. | Round to the nearest 10 000: 11 450 19 101 56 852 | |
| 7. | Round to the nearest whole number: 25.61 39.42 96.91 | |
| 8. | Round to the nearest whole number: 58.61 46.53 93.71 | |
| 9. | Round to the nearest whole number: 95.11 42.34 64.24 | |
| 10. | Round to the nearest whole number: 32.11 93.72 55.53 | |
| 11. | Round to the nearest whole number: 65.95 45.76 63.77 | |
| 12. | About Half: 4200.07. 350.9, 80.2, 6004.5 | |
| 13. | About Half: 8002.6, 30 204.6, 206 100.5, 5100.9 | |
| 14. | About Half: 616.2, 12 101.3, 24 336.9, 48 244.6 | |
| 15. | About Half: 20 265.7, 22 369.5, 24 287.6, 28 369.7 | |
| 16. | Round to 2 decimal places: 145.126 258.166 639.175 | |
| 17. | Round to 2 decimal places: 653.289 583.369 453.971 | |
| 18. | Round to 2 decimal places: 201.999 423.199 958.824 | |
| 19. | Round to 2 decimal places: 951.157 329.486 369.987 | |
| 20. | Round to 2 decimal places: 957.399 453.299 467.499 | |
| 21. | Round to nearest 10 000: 112 369 419 837 665 789 | |
| 22. | Round to nearest 10 000: 232 697 148 693 945 500 | |
| 23. | Round to nearest 100 000: 1 159 362 4 379 258 8 402 928 | |
| 24. | Round to nearest 100 000: 4 787 255 1 659 345 5 426 899 | |
| 25. | Round to nearest 100 000: 8 789 025 2 458 023 1 367 528 | |
| 26. | About Half: 120 369 10 493 258.69 1021.36 | |
| 27. | About Half: 5 125 321 10 205.68 8 200 458 60 501.36 | |
| 28. | About Half: 6 250 369 50 125.59 1 002 369 100 125.99 | |
| 29. | About Half: 12 608.9 15 093.89 4102.4 20 201.369 | |
| 30. | About Half: 2 200 420 500 287.36 220 420.36 50 287.36 | |
| 31. | Round to nearest 10 000: 6 479 503 1 348 902 913 976 | |
| 32. | Round to nearest 100 000: 891 403 150 002 3 047 909 | |
| 33. | Round to nearest tenth: 120.45 351.93 86.88 | |
| 34. | Round to nearest tenth: 576.82 455.55 4 333.77 | |
| 35. | Round to nearest whole number: 43.87 675.545 202.49 | |
| 36. | Round to nearest whole number: 498.94 66.498 1090.9 | |
| 37. | Round to nearest whole number: 879.46 4500.8 1080.52 | |
| 38. | Round to nearest 10 000: 42 369 25 789 35 987 | |
| 39. | Round to nearest 10 000: 86 258 44 258 36 258 | |
| 40. | Round to nearest 100 000: 102 366 948 100 635 222 | |
| 41. | Round to nearest 100 000: 258 563 367 159 583 147 | |
| 42. | Round to nearest whole number: 253.92 658.91 127.94 | |
| 43. | Round to nearest whole number: 32.65 153.98 1027.01 | |
| 44. | Round to nearest 10 000: 36 028 12 963 64 287 | |
| 45. | Round to nearest 100 000: 7 258 058 8 369 258 5 439 358 | |
| 46. | Round to nearest 100 000: 5 561 778 8 189 632 3 486 982 | |
| 47. | Round to nearest whole number: 420.369 982.751463.89 | |
| 48. | Round to nearest whole number: 42.69 97.86 64.15 | |
| 49. | About Half: 5 750 500 5 112 098 771 597 1 190 785 | |
| 50. | About Half: 3 890 476 77 890.98 812 496.87 3 098 847 | |
| 51. | About Half: 487 990 990 871109 893 412 345.92 | |
| 52. | About Half: 2 258 147 1258.36 202 250 820 258 | |
| 53. | About Half: 2 268 601 18 369 281 258 1833.33 | |
| 54. | About Half: 209.42 29.42 94.24 290.81 | |
| 55. | About Half: 601.8 900.7 505.6 208.5 | |
| 56. | Round to nearest whole number: 847.519 391.901 400.199 | |
| 57. | Round to nearest ten: 482.898 117.02 1455.04 | |
| 58. | Round to nearest 10 000: 5343.77 4 5090.9 89 900.1 | |
| 59. | Round to one hundredth: 48.672 39.902 23.706 | |
| 60. | Round to one hundredth: 56.701 433.395 96.547 | |
| 61. | Expanded notation: 5731.88 | |
| 62. | Expanded notation: 65 424.791 | |
| 63. | Expanded notation: 35 248.916 | |
| 64. | Expanded notation: 348 267.159 | |
| 65. | Expanded notation: 123 789.456 | |
| 66. | See You Round: Round 4.8651 to 1, 2 and 3 decimal places | |
| 67. | See You Round: Round 34.0981 to 1, 2 and 3 decimal places | |
| 68. | See You Round: Round 18.9999 to 1, 2 and 3 decimal places | |
| 69. | Find the Power: Write numbers as powers of 10 | |
| 70. | Find the Power: Write numbers as powers of 10 | |
| 71. | Round to 2 significant figures: 265.31 3.07 0.00513 | |
| 72. | Round to 2 significant figures: 136.25 3.064 0.00155 | |
| 73. | Round to 2 significant figures: 456.36 5.06 0.00463 | |
| 74. | Round to 3 significant figures: 145.369 5.0751 0.02586 | |
| 75. | Expanded notation: 4 295.668 | |
| 76. | See You Round: Round 3.0599 to 1, 2, 3 dec. places | |
| 77. | See You Round: 9.951 to whole number, 1dp, 2dp | |
| 78. | See You Round: Round 8.0697 to 1, 2, 3 dec places | |
| 79. | See You Round: Round 15.992 to a whole no, 1, 2 dec places | |
| 80. | See You Round: Round 30.0998 to 1, 2, 3 dec places | |
| 81. | See you Round: Round 99.982 to whole no, 1 dp, 2dps | |
| 82. | See You Round: Round 6.9871 to 1, 2, 3 dec places | |
| 83. | See You Round: Round 37.5981 to 1, 2, 3 dec places | |
| 84. | See You Round: Round 100.5691 to 1, 2, 3 dec places | |
| 85. | See You Round: Round 52.3694 to 1, 2, 3 dec places | |
| 86. | Find the Power: Write numbers as powers of 10 | |
| 87. | Find the Power: Write numbers as powers of 10 | |
| 88. | Scientific Notation: Write 0.0008542cm as (mm) in Standard form | |
| 89. | Scientific Notation: Write 325 750 000 in Standard Form | |
| 90. | Significantly Speaking: 5.698 to 1, 2, 3 significant figures | |
| 91. | Significantly Speaking: 3.9827 to 1, 2, 3 significant figures | |
| 92. | Significantly Speaking: 7.0821 to 1, 2, 3 significant figures | |
| 93. | Significantly Speaking: 32.589 to 1, 2, 3 significant figures | |
| 94. | Significantly Speaking: 2587 to 1, 2, 3 significant figures | |
| 95. | Bamboozled!: Write 3.112x10[-5] in decimal form | |
| 96. | Expand Numbers: Using indices | |
| 97. | See You Round: Round 0.054728 to 1, 2, 3 dec places | |
| 98. | Find the Power: Write numbers using powers of 10 | |
| 99. | Find the Power: Write numbers using powers of 10 | |
| 100. | Find the Power: Write numbers using powers of 10 | |
| 101. | Going Down: Ordering indexed numbers | |
| 102. | Going Up: Ordering indexed numbers | |
| 103. | Star Gazing: Write 39 680 000 000 000 km in Scientific Notation | |
| 104. | Significantly Speaking: 65.258 to 1, 2, 3 significant figures | |
| 105. | Significantly Speaking: 6.3944 to 1, 2, 3 significant figures | |
| 106. | Significantly Speaking: 0.00257 to 1, 2, 3 significant figures | |
| 107. | Significantly Speaking: 1.00369 to 2, 3, 4 significant figures | |
| 108. | Significantly Speaking: 1.09259 to 2, 4, 5 significant figures | |
| 109. | Roundabout 62km | |
| 110. | About to divide 2423/40 | |
| 111. | About to divide 3198/80 | |
| 112. | About to divide 8068/90 | |
| 113. | About to divide: Click the best estimate of the answer | |
| 114. | About to divide 4856/80 | |
| 115. | Degrees of heat: How many times hotter is the Earth's inner core than the upper mantle? | |
| 116. | Rolling rivers: Compare the length of the Nile with the length of the Murrumbidgee | |
| 117. | About to divide: click the best estimate | |
| 118. | About to divide: click the best estimate | |
| 119. | About to divide: click the best estimate | |
| 120. | About to divide: click the best estimate | |
| 121. | About to divide: click the best estimate | |
| 122. | About to divide: click the best estimate | |
| 123. | About to divide: Click the best estimate | |
| 124. | About to divide: Click the best estimate | |
| 125. | About to divide: Click the best estimate | |
| 126. | About to divide: Click the best estimate | |
| 127. | About to divide: Click the best estimate | |
| 128. | About to divide: Estimate the answer for a division | |
| 129. | About to divide: Estimate the answer for a division | |
| 130. | About to divide: Estimate the answer for a division | |
| 131. | About to divide: Estimate the answer for a division | |
| 132. | About to divide: Estimate the answer for a division | |
| 133. | About to divide: Estimate the answer for a division | |
| 134. | About to divide: Estimate the answer for a division | |
| 135. | About to divide: Estimate the answer for a division | |
| 136. | About to divide: Estimate the answer for a division | |
| 137. | About to divide: Estimate the answer for a division | |
| 138. | About to divide: Click the best estimate | |
| 139. | About to divide: Click the best estimate | |
| 140. | About to divide: Click the best estimate | |
| 141. | About to divide: Click the best estimate | |
| 142. | About to divide: Click the best estimate | |
| 143. | About to divide: click the best estimate | |
| 144. | About to divide: click the best estimate | |
| 145. | About to divide: click the best estimate | |
| 146. | It's Astronomical! 2 - kiloyears and galactic years, scientific notation | |
| 147. | It's Astronomical! 1 - kiloyears and galactic years, scientific notation | |
| 148. | Moon-Light? - mass in kg, multiples, scientific notation | |
| 149. | Heavy Maths - mass in kg, multiples, scientific notation | |
| 150. | Moon-Light? - combined mass, kg, scientific notation | |
| 151. | Moon-Light? - combined mass, kg, scientific notation | |
| 152. | Rounding - Round to the nearest whole number: 264.9 | |
| 153. | Rounding - Round to the nearest whole number: 151.5 | |
| 154. | Rounding - Round to the nearest whole number: 234.5 | |
| 155. | Rounding - Round to the nearest whole number: 98.2 | |
| 156. | Rounding - Round to the nearest whole number: 87.6 | |
| 157. | See You Round Like a Decimal: Nearest whole number: 87.65 | |
| 158. | See You Round Like a Decimal: Nearest whole number: 27.98 | |
| 159. | See You Round Like a Decimal: Nearest whole number: 599.502 | |
| 160. | See You Round Like a Decimal: Nearest tenth 126.787 | |
| 161. | See You Round Like a Decimal: Nearest whole number: 211.38 | |
| 162. | See You Round: Round to the nearest ten thousand: 25627 | |
| 163. | See You Round: Round to the nearest ten thousand: 573882 | |
| 164. | See You Round: Round to the nearest ten thousand: 1789 790 | |
| 165. | See You Round: Round to the nearest ten thousand: 71228 | |
| 166. | See You Round: Round to the nearest thousand: 43 209 | |
| 167. | See You Round: Round to the nearest hundred thousand: 1824781 | |
| 168. | See You Round: Round to the nearest ten thousand: 5 293 174 | |
| 169. | See You Round: Round to the nearest hundred thousand: 722156 | |
| 170. | See You Round: Round to the nearest hundred thousand: 536231 | |
| 171. | See You Round: Round to the nearest hundred thousand: 250 987 | |
| 172. | Rounding - Round to the nearest whole number: 24.9 (1) | |
| 173. | Rounding - Round to the nearest whole number: 59.5 (1) | |
| 174. | Rounding - Round to the nearest whole number: 100.4 (1) |