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
- 1.50 × 15 =
- 2.19 × 15 =
- 3.45 × 15 =
- 4.54 × 15 =
- 5.56 × 15 =
- 6.23 × 15 =
- 7.58 × 15 =
- 8.30 × 15 =
- 9.47 × 15 =
- 10.49 × 15 =
- 11.45 × 15 =
- 12.63 × 15 =
- 13.62 × 15 =
- 14.24 × 15 =
- 15.6 × 15 =
- 16.59 × 15 =
- 17.57 × 15 =
- 18.28 × 15 =
- 19.55 × 15 =
- 20.21 × 15 =
- 21.57 × 15 =
- 22.44 × 15 =
- 23.28 × 15 =
- 24.40 × 15 =
- 25.49 × 15 =
- 26.25 × 15 =
- 27.63 × 15 =
- 28.8 × 15 =
- 29.13 × 15 =
- 30.46 × 15 =
- 31.58 × 15 =
- 32.36 × 15 =
- 33.15 × 15 =
- 34.18 × 15 =
- 35.48 × 15 =
- 36.15 × 15 =
- 37.35 × 15 =
- 38.13 × 15 =
- 39.52 × 15 =
- 40.4 × 15 =
Answer key
- 750
- 285
- 675
- 810
- 840
- 345
- 870
- 450
- 705
- 735
- 675
- 945
- 930
- 360
- 90
- 885
- 855
- 420
- 825
- 315
- 855
- 660
- 420
- 600
- 735
- 375
- 945
- 120
- 195
- 690
- 870
- 540
- 225
- 270
- 720
- 225
- 525
- 195
- 780
- 60
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths