Advance A · Week 2 · Addition & Subtraction Mastery
Day 3 Practice Worksheet — Left-to-Right Subtraction
Subtracting without borrowing.
Name
Date
Score
§12-digit subtraction
⏱ 2 min · 20 problemsTimed drill — start a 2-minute timer, then solve in order. Goal: finish under time with full accuracy.
- 01.93 − 88=
- 02.51 − 30=
- 03.29 − 18=
- 04.27 − 12=
- 05.80 − 41=
- 06.74 − 73=
- 07.46 − 22=
- 08.39 − 24=
- 09.78 − 12=
- 10.94 − 12=
- 11.23 − 16=
- 12.74 − 73=
- 13.94 − 44=
- 14.28 − 14=
- 15.52 − 16=
- 16.63 − 10=
- 17.55 − 53=
- 18.74 − 15=
- 19.62 − 11=
- 20.31 − 25=
§23-digit subtraction
⏱ 3 min · 20 problemsTimed drill — start a 3-minute timer, then solve in order. Goal: finish under time with full accuracy.
- 01.294 − 227=
- 02.422 − 290=
- 03.300 − 296=
- 04.473 − 313=
- 05.978 − 405=
- 06.446 − 430=
- 07.570 − 224=
- 08.219 − 178=
- 09.389 − 206=
- 10.247 − 136=
- 11.440 − 336=
- 12.557 − 512=
- 13.209 − 180=
- 14.700 − 541=
- 15.203 − 198=
- 16.368 − 270=
- 17.681 − 222=
- 18.972 − 664=
- 19.365 − 264=
- 20.733 − 505=
Answer Key
§1 · 2-digit subtraction
- 1.5
- 2.21
- 3.11
- 4.15
- 5.39
- 6.1
- 7.24
- 8.15
- 9.66
- 10.82
- 11.7
- 12.1
- 13.50
- 14.14
- 15.36
- 16.53
- 17.2
- 18.59
- 19.51
- 20.6
§2 · 3-digit subtraction
- 1.67
- 2.132
- 3.4
- 4.160
- 5.573
- 6.16
- 7.346
- 8.41
- 9.183
- 10.111
- 11.104
- 12.45
- 13.29
- 14.159
- 15.5
- 16.98
- 17.459
- 18.308
- 19.101
- 20.228