Transcription of rounding - Primary Resources
1 RoundingRound these numbers to the nearest 101. 452. 653. 724. 895. 986. 1877. 3498. 8979. 23110. 857 Round these numbers to the nearest 10011. 12512. 36713. 627 14. 203 15. 99616. 137 17. 301 18. 397 19. 361 20. 114 Estimate the answers by rounding1. 43 + 67 2. 56 + 34 3. 27 + 984. 21 + 695. 65 + 82 6. 63 + 137. 56 - 31 8. 65 129. 98 4510. 78 4411. 87 2212. 88 39 Estimate half of the following numbers1. 672. 563. 874. 985. 1236. 1447. 1538. 122 Estimate the double of the following numbers1. 412. 523. 594. 275. 1216. 1327. 1118. 312 RoundingRound these numbers to the nearest 101. 452. 653. 724. 895. 986. 1877. 3498. 8979.
2 23110. 857 Round these numbers to the nearest 10011. 12512. 36713. 627 14. 203 15. 99616. 137 17. 301 18. 397 19. 361 20. 114 Estimate the answers by rounding1. 43 + 67 2. 56 + 34 3. 27 + 984. 121 + 1695. 265 + 182 6. 263 + 5137. 56 - 31 8. 65 129. 98 4510. 178 4411. 187 2212. 188 39 Estimate half of the following numbers1. 672. 563. 874. 985. 1236. 1447. 1538. 122 Estimate the double of the following numbers1. 412. 523. 594. 275. 1216. 1327. 1118. 312 Look at the questions 5 to 8 could you round them a different way and get different answers? Do it!RoundingWrite the tens either side of the number and state the ten it is nearest 45 40 45 50 nearest to 501.
3 342. 675. 986. 337. 218. 319. 4310. 2111. 7612. 35 Use your number square to do the tens either side of the number and state the ten it is nearest 3142. 2675 9186 3637 1218 2315. 9186. 3637. 1218. 2319. 34310. 25111. 76112. 305 Number FactsRound these numbers to the nearest 462. 783. 234. 35. 1266. 1047. 1658. 979. 52410. 34611. 59712. 302 State the numbers which would round to 504856 51 43 59 52 45 55 State the numbers which would round to 120123 134 122 115 113 119 126 Round these numbers to the nearest 4162. 7083. 1234. 3995. 1266. 3447. 1658. 3979. 96510. 34611. 59712. 302 State the numbers which would round to 500418 506 591 473 559 532 465 585 State the numbers which would round to 300245 278 357 304 319 287 219 Extension - make the two different numbers from the digit cards and subtract them95 59 95 59 =.
4 ANumber FactsWrite the tens which the number lies 4630 , 402. 783. 234. 3 Round these numbers to the nearest 462 783 234 35. 1266. 1047. 1658. 971. 462. 783. 234. 35. 1266. 1047. 1658. 97 State the numbers which would round to 504856 51 43 59 52 45 55 State the numbers which would round to 120123 134 122 115 113 119 126 Write the 100s which the numbers lie between1. 416 400, 5002. 7083. 1234. 39 Round these numbers to the nearest 1266. 3447. 1658. 3971. 4162. 7083. 1234. 395. 1266. 3447. 1658. 397 State the numbers which would round to 500418 506 591 473 559 532 465 585 State the numbers which would round to 300245 278 357 304 319 287 219
