Multiply by 15 Worksheet
The fast method (Ten and half again): Multiply by 10: 46 → 460. Halve that answer: half of 460 is 230. Add the two: 460 + 230 = 690.
NameDateTime takenScore ___ / 40
- 1.49 × 15 =
- 2.36 × 15 =
- 3.57 × 15 =
- 4.58 × 15 =
- 5.54 × 15 =
- 6.48 × 15 =
- 7.58 × 15 =
- 8.21 × 15 =
- 9.61 × 15 =
- 10.59 × 15 =
- 11.6 × 15 =
- 12.52 × 15 =
- 13.25 × 15 =
- 14.18 × 15 =
- 15.42 × 15 =
- 16.10 × 15 =
- 17.51 × 15 =
- 18.60 × 15 =
- 19.26 × 15 =
- 20.60 × 15 =
- 21.46 × 15 =
- 22.52 × 15 =
- 23.13 × 15 =
- 24.18 × 15 =
- 25.36 × 15 =
- 26.47 × 15 =
- 27.20 × 15 =
- 28.31 × 15 =
- 29.55 × 15 =
- 30.28 × 15 =
- 31.15 × 15 =
- 32.53 × 15 =
- 33.32 × 15 =
- 34.57 × 15 =
- 35.39 × 15 =
- 36.4 × 15 =
- 37.62 × 15 =
- 38.55 × 15 =
- 39.58 × 15 =
- 40.22 × 15 =
Answer key
- 735
- 540
- 855
- 870
- 810
- 720
- 870
- 315
- 915
- 885
- 90
- 780
- 375
- 270
- 630
- 150
- 765
- 900
- 390
- 900
- 690
- 780
- 195
- 270
- 540
- 705
- 300
- 465
- 825
- 420
- 225
- 795
- 480
- 855
- 585
- 60
- 930
- 825
- 870
- 330
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths