# Step 4

Difficulty 4

 1 Adding hundreds: 695+*=959, 3492+500=*, 600m/t503=* 2 Adding hundreds: 364+*=1264, 426+600=*, 200m/t 236 =* 3 Adding hundreds 562+*=862, 658+200=*, 500m/t 352=* 4 Adding hundreds: 263+*=663, 222+500=*, 600m/t406=* 5 Adding hundreds 462+*=862, 426+300=* 800m/t169=* 6 Number detectives: Four's no chore - Add 4 clustered numbers 7 Number detectives: Four's no chore - Add 4 clustered numbers 8 Number detectives: Four's no chore - Add 4 clustered numbers 9 Number detectives: Four's no chore - Add 4 clustered numbers 10 Number detectives: Four's no chore - Add 4 clustered numbers 11 Adding the big ones: Write missing numbers in vertical addition 12 Adding the big ones: Write missing numbers in vertical addition 13 Thousands Takeaway: 70** - *104 = 1*99 14 Thousands Takeaway: *04* - 27*9 = 1*21 15 50s get together: 4000 - ? = 750 16 50s get together: 6000 - ? = 650 17 50s get together: 2000 - ? = 150 18 50s get together: 1000 - 650 = ? 19 50s get together: 1000 - 450 = ? 20 50s get together: 8000 - 450 = ? 21 50s get together: ? - 150 = 1850 22 50s get together: ? - 350 = 6650 23 50s get together: ? - 850 = 4150 24 50s get together: ? - 5350 = 650 25 Give or Take a Thousand 193051 - 3000 = ? 26 Give or Take a Thousand 714320 - 5000 = ? 27 Give or Take a Thousand 685531 - 2000 = ? 28 Give or Take a Thousand 214990 - 5000 = ? 29 Give or Take a Thousand 33750 - 3000 = ? 30 Give or Take a Thousand 142301 - 6000 = ? 31 Give or Take a Thousand 335771 - 8000 = ? 32 Give or Take a Thousand 1524151 - 20000 = ? 33 Give or Take a Thousand 1348159 - 10000 = ? 34 Give or Take a Thousand 31486128 - 30000 = ? 35 Give or Take a Thousand 13221 - 8000 = ? 36 Give or Take a Thousand 12850 - 4000 = ? 37 Give or Take a Thousand 31280 - 3000 = ? 38 Give or Take a Thousand 25190 - 6000 = ? 39 Give or Take a Thousand 14820 - 7000 = ? 40 Thirsty work: Comparison of volumes 41 Fete accomplished: Money addition and subtraction 42 Spot the difference: Write the difference between 612 and 588 43 Spot the difference: Write the difference between 315 and 291 44 Spot the difference: Write the difference between 708 and 687 45 Spot the difference: Write the difference between 475 and 395 46 Spot the difference: Write the difference between 117 and 95 47 Crossing the line: Subtracting distances 48 All around the garden: Addition and subtraction of distance measurements 49 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 50 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 51 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 52 Crossing the line: Subtracting distances