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 =
- 2.51 × 15 =
- 3.27 × 15 =
- 4.22 × 15 =
- 5.9 × 15 =
- 6.60 × 15 =
- 7.23 × 15 =
- 8.54 × 15 =
- 9.62 × 15 =
- 10.36 × 15 =
- 11.63 × 15 =
- 12.50 × 15 =
- 13.10 × 15 =
- 14.12 × 15 =
- 15.43 × 15 =
- 16.46 × 15 =
- 17.14 × 15 =
- 18.16 × 15 =
- 19.19 × 15 =
- 20.10 × 15 =
- 21.7 × 15 =
- 22.17 × 15 =
- 23.8 × 15 =
- 24.49 × 15 =
- 25.51 × 15 =
- 26.18 × 15 =
- 27.17 × 15 =
- 28.61 × 15 =
- 29.56 × 15 =
- 30.36 × 15 =
- 31.24 × 15 =
- 32.52 × 15 =
- 33.10 × 15 =
- 34.7 × 15 =
- 35.42 × 15 =
- 36.25 × 15 =
- 37.14 × 15 =
- 38.17 × 15 =
- 39.12 × 15 =
- 40.39 × 15 =
Answer key
- 750
- 765
- 405
- 330
- 135
- 900
- 345
- 810
- 930
- 540
- 945
- 750
- 150
- 180
- 645
- 690
- 210
- 240
- 285
- 150
- 105
- 255
- 120
- 735
- 765
- 270
- 255
- 915
- 840
- 540
- 360
- 780
- 150
- 105
- 630
- 375
- 210
- 255
- 180
- 585
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths