+/- Numbers Year 4 – Addition and subtraction within 10000 www.KeyStage2Maths.com

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

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

, 2 1 5 7 Th H T U two thousand, one hundred and fifty-seven Show number then dienes

, 3 3 5 6 Th H T U three thousand, three hundred and fifty-six Show dienes then number

, 4 2 8 Th H T U four thousand and eighty-two no need for a comma because you don’t have any hundreds , 4 8 2 Show dienes then number

Th H T U three thousand and nine , 3 9 Show dienes then number

Th H T U two thousand, two hundred , 2 2 Show dienes then number

4346 > 2686

2804 < 3085

3329 > 3266

2228 < 2267

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

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

Round 2353 to the nearest 1000 2000 2500 3000 2353 2000

Round 2804 to the nearest 1000 2000 2500 3000 2804 3000

Round 4199 to the nearest 1000 4000 4500 5000 4199 4000

Round 6666 to the nearest 1000 6000 6500 7000 6666 7000

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.

5 1 8 2 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 8 2

5 2 1 8 2 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 2 1 8 2

5 1 8 2 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

6 5 8 1 5 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 6 5 8 1 5

5 8 1 5 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 5

5 8 2 1 5 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 2 1 5

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

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

2000 Find 1 more than 1999.

7797 7798 7799 7800 7801 7802 7803 7804 7805 7806 Complete +10 number sequences

3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 Complete +10 number sequences

4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 Complete +10 number sequences

3 3 50 1 2 Find 1 less than 3352.

Find 1 less than 2000. 1999

4101 4100 4099 4098 4097 4096 4095 4094 4093 4092 Complete +10 number sequences

3404 3403 3402 3401 3400 3399 3398 3397 3396 3395 Complete +10 number sequences

5005 5004 5003 5002 5001 5000 4999 4998 4997 4996 Complete +10 number sequences

2000 400 60 50 6 Find 10 more than 2456.

2000 1000 900 90 6 Find 10 more than 1996.

5968 5978 5988 5998 6008 6018 6028 6038 6048 6058 Complete +10 number sequences

4572 4582 4592 4602 4612 4622 4632 4642 4652 4662 Complete +10 number sequences

1 3 5 5 + 3 0 = 1 3 8 5

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

2 1 9 9 + 1 0 = 2 2 0 9

1 9 9 4 + 1 0 = 2 0 0 4

1 5 8 1 + 5 0 = 1 6 3 1

1 8 7 8 + 6 0 = 1 9 3 8

3 3 40 50 2 Find 10 less than 3352.

2 400 500 90 4 Find 10 less than 2504.

Find 10 less than 2003. 1993

6062 6052 6042 6032 6022 6012 6002 5992 5982 5972 Complete +10 number sequences

9131 9121 9111 9101 9091 9081 9071 9061 9051 9041 Complete +10 number sequences

1 3 8 5 - 3 0 = 1 3 5 5

2 1 8 2 - 5 0 = 2 1 3 2

2 2 0 9 - 1 0 = 2 1 9 9

2 0 0 4 - 1 0 = 1 9 9 4

1 2 0 5 - 4 0 = 1 1 6 5

2000 500 400 50 6 Find 100 more than 2456.

2000 1000 900 90 6 Find 100 more than 1996.

8050 8150 8250 8350 8450 8550 8650 8750 8850 8950 Complete +10 number sequences

1444 1544 1644 1744 1844 1944 2044 2144 2244 2344 Complete +10 number sequences

1 3 5 5 + 3 0 0 = 1 6 5 5

2 1 3 2 + 5 0 0 = 2 6 3 2

1 9 8 2 + 1 0 0 = 2 0 8 2

1 8 7 8 + 4 0 0 = 2 2 7 8

1 5 8 1 + 5 0 0 = 2 0 8 1

3 200 300 50 2 Find 100 less than 3352.

Find 100 less than 2003. 1903

2802 2702 2602 2502 2402 2302 2102 2002 1902 1802 Complete +10 number sequences

7667 7567 7467 7367 7267 7167 7067 6967 6867 6767 Complete +10 number sequences

1 6 5 5 - 3 0 0 = 1 3 5 5

2 6 3 2 - 5 0 0 = 2 1 3 2

2 0 8 2 - 1 0 0 = 1 9 8 2

2 0 5 1 - 3 0 0 = 1 7 5 1

1 1 0 2 - 2 0 0 = 9 0 2

3000 2000 400 50 6 Find 1000 more than 2456.

2000 1000 900 90 6 Find 1000 more than 1996.

563 1563 2563 3563 4563 5563 6563 7563 8563 9563 Complete +10 number sequences

2000 1000 500 4 Find 1000 less than 2504.

9425 8425 7425 6425 5425 4425 3425 2425 1425 425 Complete +10 number sequences

9 0 0 + 4 0 0 = 1 3 0 0 8 0 0 + 7 0 0 = 1 5 0 0 6 0 0 + 5 0 0 = 1 1 0 0 9 0 0 + 8 0 0 = 1 7 0 0

1 9 0 0 + 4 0 0 = 2 3 0 0 2 8 0 0 + 7 0 0 = 3 5 0 0 5 6 0 0 + 5 0 0 = 6 1 0 0 7 9 0 0 + 8 0 0 = 8 7 0 0

2 3 0 0 - 4 0 0 = 1 9 0 0 3 5 0 0 - 7 0 0 = 2 8 0 0 6 1 0 0 - 5 0 0 = 5 6 0 0 8 7 0 0 - 8 0 0 = 7 9 0 0