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.
- 01.60 − 12=
- 02.36 − 32=
- 03.84 − 31=
- 04.65 − 17=
- 05.96 − 82=
- 06.88 − 76=
- 07.65 − 49=
- 08.40 − 29=
- 09.21 − 21=
- 10.34 − 18=
- 11.45 − 39=
- 12.69 − 67=
- 13.98 − 65=
- 14.93 − 53=
- 15.79 − 53=
- 16.25 − 20=
- 17.93 − 24=
- 18.39 − 35=
- 19.93 − 52=
- 20.85 − 29=
§23-digit subtraction
⏱ 3 min · 20 problemsTimed drill — start a 3-minute timer, then solve in order. Goal: finish under time with full accuracy.
- 01.802 − 160=
- 02.751 − 582=
- 03.639 − 506=
- 04.218 − 198=
- 05.643 − 384=
- 06.440 − 423=
- 07.765 − 437=
- 08.607 − 501=
- 09.370 − 110=
- 10.478 − 142=
- 11.260 − 198=
- 12.692 − 655=
- 13.341 − 237=
- 14.660 − 381=
- 15.600 − 556=
- 16.984 − 916=
- 17.646 − 583=
- 18.758 − 687=
- 19.734 − 135=
- 20.836 − 570=
Answer Key
§1 · 2-digit subtraction
- 1.48
- 2.4
- 3.53
- 4.48
- 5.14
- 6.12
- 7.16
- 8.11
- 9.0
- 10.16
- 11.6
- 12.2
- 13.33
- 14.40
- 15.26
- 16.5
- 17.69
- 18.4
- 19.41
- 20.56
§2 · 3-digit subtraction
- 1.642
- 2.169
- 3.133
- 4.20
- 5.259
- 6.17
- 7.328
- 8.106
- 9.260
- 10.336
- 11.62
- 12.37
- 13.104
- 14.279
- 15.44
- 16.68
- 17.63
- 18.71
- 19.599
- 20.266