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
- 1.26 × 15 =
- 2.28 × 15 =
- 3.6 × 15 =
- 4.14 × 15 =
- 5.5 × 15 =
- 6.21 × 15 =
- 7.8 × 15 =
- 8.49 × 15 =
- 9.23 × 15 =
- 10.46 × 15 =
- 11.26 × 15 =
- 12.42 × 15 =
- 13.47 × 15 =
- 14.64 × 15 =
- 15.57 × 15 =
- 16.49 × 15 =
- 17.43 × 15 =
- 18.64 × 15 =
- 19.42 × 15 =
- 20.42 × 15 =
- 21.56 × 15 =
- 22.36 × 15 =
- 23.54 × 15 =
- 24.6 × 15 =
- 25.14 × 15 =
- 26.17 × 15 =
- 27.6 × 15 =
- 28.12 × 15 =
- 29.64 × 15 =
- 30.36 × 15 =
- 31.46 × 15 =
- 32.59 × 15 =
- 33.51 × 15 =
- 34.61 × 15 =
- 35.20 × 15 =
- 36.11 × 15 =
- 37.40 × 15 =
- 38.14 × 15 =
- 39.24 × 15 =
- 40.54 × 15 =
Answer key
- 390
- 420
- 90
- 210
- 75
- 315
- 120
- 735
- 345
- 690
- 390
- 630
- 705
- 960
- 855
- 735
- 645
- 960
- 630
- 630
- 840
- 540
- 810
- 90
- 210
- 255
- 90
- 180
- 960
- 540
- 690
- 885
- 765
- 915
- 300
- 165
- 600
- 210
- 360
- 810
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths