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
- 1.44 × 15 =
- 2.63 × 15 =
- 3.64 × 15 =
- 4.61 × 15 =
- 5.25 × 15 =
- 6.59 × 15 =
- 7.34 × 15 =
- 8.56 × 15 =
- 9.64 × 15 =
- 10.35 × 15 =
- 11.52 × 15 =
- 12.38 × 15 =
- 13.32 × 15 =
- 14.10 × 15 =
- 15.22 × 15 =
- 16.48 × 15 =
- 17.22 × 15 =
- 18.8 × 15 =
- 19.28 × 15 =
- 20.48 × 15 =
- 21.49 × 15 =
- 22.4 × 15 =
- 23.32 × 15 =
- 24.60 × 15 =
- 25.38 × 15 =
- 26.7 × 15 =
- 27.27 × 15 =
- 28.8 × 15 =
- 29.9 × 15 =
- 30.11 × 15 =
- 31.5 × 15 =
- 32.4 × 15 =
- 33.55 × 15 =
- 34.27 × 15 =
- 35.27 × 15 =
- 36.11 × 15 =
- 37.60 × 15 =
- 38.8 × 15 =
- 39.36 × 15 =
- 40.44 × 15 =
Answer key
- 660
- 945
- 960
- 915
- 375
- 885
- 510
- 840
- 960
- 525
- 780
- 570
- 480
- 150
- 330
- 720
- 330
- 120
- 420
- 720
- 735
- 60
- 480
- 900
- 570
- 105
- 405
- 120
- 135
- 165
- 75
- 60
- 825
- 405
- 405
- 165
- 900
- 120
- 540
- 660
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths