+/- Numbers Year 4 – Addition and subtraction within 10000

1. +/- NumbersYear 4 – Addition and subtraction within 10000 www.KeyStage2Maths.com

3. Th H T U 10 units make 1 ten 10 tens make 1 hundred 10 hundreds make 1 thousand

4. Th H T U comma , 3 9 1 4 UK English informal fourteen hundred and thirty-nine one thousand, four hundred and thirty-nine

5. Th H T U , 5 7 2 1 two thousand, one hundred and fifty-seven

6. Th H T U , 6 3 3 5 three thousand, three hundred and fifty-six

7. Th H T U no need for a comma because you don’t have any hundreds , 2 4 0 8 four thousand and eighty-two

8. Th H T U , 9 3 0 0 three thousand and nine

9. Th H T U , 0 2 2 0 two thousand, two hundred

11. 4346 > 2686

12. < 2804 3085

13. 3329 > 3266

14. 2228 < 2267

15. Write these numbers in ascending order. 6866 686 8686 8668 6686 8686 686 6686 6866 8668

16. Write these numbers in ascending order. 3322 2332 3223 2323 4222 4222 2323 2332 3223 3322

18. Round 2353 to the nearest 1000 2000 2500 3000 2353 2000

19. Round 2804 to the nearest 1000 2000 2500 3000 2804 3000

20. Round 4199 to the nearest 1000 4000 4500 5000 4199 4000

21. Round 6666 to the nearest 1000 6000 6500 7000 6666 7000

22. When rounding to the nearest thousand: • If the hundreds digit is a 0, 1, 2, 3 or 4, go BACK to the previous multiple of a thousand. • If the hundreds digit is a 5, 6, 7, 8 or 9, go ON to the next multiple of a thousand.

24. Find your place, look next door, 5 or more you raise the score, 4 or less you let it rest, Look to the right put zeros in sight. e.g. round 5182 to the nearest thousand Th H T U 5 1 0 8 0 2 0

25. Find your place, look next door, 5 or more you raise the score, 4 or less you let it rest, Look to the right put zeros in sight. e.g. round 5182 to the nearest hundred Th H T U 5 1 2 8 0 2 0

26. Find your place, look next door, 5 or more you raise the score, 4 or less you let it rest, Look to the right put zeros in sight. e.g. round 5182 to the nearest ten Th H T U 5 1 8 2 0

27. Find your place, look next door, 5 or more you raise the score, 4 or less you let it rest, Look to the right put zeros in sight. e.g. round 5815 to the nearest thousand Th H T U 5 6 8 0 1 0 5 0

28. Find your place, look next door, 5 or more you raise the score, 4 or less you let it rest, Look to the right put zeros in sight. e.g. round 5815 to the nearest hundred Th H T U 5 8 1 0 5 0

29. Find your place, look next door, 5 or more you raise the score, 4 or less you let it rest, Look to the right put zeros in sight. e.g. round 5815 to the nearest ten Th H T U 5 8 1 2 5 0

31. Find 1 more than 2799. 6 9 2000 90 700 800

32. Find 1 more than 1999. 6 9 1000 90 2000 900

33. Find 1 more than 1999. 2000

34. 7797 7798 7799 7800 7801 7802 7803 7804 7805 7806

35. 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005

36. 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001

38. Find 1 less than 3352. 2 1 3 50 3

39. Find 1 less than 2000. 1999

40. 4101 4100 4099 4098 4097 4096 4095 4094 4093 4092

41. 3404 3403 3402 3401 3400 3399 3398 3397 3396 3395

42. 5005 5004 5003 5002 5001 5000 4999 4998 4997 4996

44. Find 10 more than 2456. 6 2000 50 60 400

45. Find 10 more than 1996. 6 1000 90 2000 900

46. 5968 5978 5988 5998 6008 6018 6028 6038 6048 6058

47. 4572 4582 4592 4602 4612 4622 4632 4642 4652 4662

49. 1 3 5 5 + 3 0 = 1 3 8 5

50. 2 1 3 2 + 5 0 = 2 1 8 2