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
- 1.6 × 15 =
- 2.15 × 15 =
- 3.5 × 15 =
- 4.48 × 15 =
- 5.58 × 15 =
- 6.26 × 15 =
- 7.12 × 15 =
- 8.14 × 15 =
- 9.59 × 15 =
- 10.30 × 15 =
- 11.55 × 15 =
- 12.29 × 15 =
- 13.61 × 15 =
- 14.57 × 15 =
- 15.26 × 15 =
- 16.33 × 15 =
- 17.64 × 15 =
- 18.44 × 15 =
- 19.37 × 15 =
- 20.15 × 15 =
- 21.9 × 15 =
- 22.47 × 15 =
- 23.25 × 15 =
- 24.37 × 15 =
- 25.61 × 15 =
- 26.33 × 15 =
- 27.10 × 15 =
- 28.28 × 15 =
- 29.63 × 15 =
- 30.9 × 15 =
- 31.50 × 15 =
- 32.8 × 15 =
- 33.34 × 15 =
- 34.10 × 15 =
- 35.33 × 15 =
- 36.4 × 15 =
- 37.28 × 15 =
- 38.43 × 15 =
- 39.45 × 15 =
- 40.56 × 15 =
Answer key
- 90
- 225
- 75
- 720
- 870
- 390
- 180
- 210
- 885
- 450
- 825
- 435
- 915
- 855
- 390
- 495
- 960
- 660
- 555
- 225
- 135
- 705
- 375
- 555
- 915
- 495
- 150
- 420
- 945
- 135
- 750
- 120
- 510
- 150
- 495
- 60
- 420
- 645
- 675
- 840
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths