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
- 1.51 × 15 =
- 2.58 × 15 =
- 3.46 × 15 =
- 4.57 × 15 =
- 5.20 × 15 =
- 6.12 × 15 =
- 7.16 × 15 =
- 8.39 × 15 =
- 9.20 × 15 =
- 10.25 × 15 =
- 11.59 × 15 =
- 12.46 × 15 =
- 13.61 × 15 =
- 14.19 × 15 =
- 15.37 × 15 =
- 16.44 × 15 =
- 17.60 × 15 =
- 18.22 × 15 =
- 19.63 × 15 =
- 20.63 × 15 =
- 21.11 × 15 =
- 22.30 × 15 =
- 23.17 × 15 =
- 24.37 × 15 =
- 25.39 × 15 =
- 26.12 × 15 =
- 27.27 × 15 =
- 28.60 × 15 =
- 29.16 × 15 =
- 30.27 × 15 =
- 31.37 × 15 =
- 32.56 × 15 =
- 33.42 × 15 =
- 34.24 × 15 =
- 35.40 × 15 =
- 36.31 × 15 =
- 37.43 × 15 =
- 38.13 × 15 =
- 39.15 × 15 =
- 40.19 × 15 =
Answer key
- 765
- 870
- 690
- 855
- 300
- 180
- 240
- 585
- 300
- 375
- 885
- 690
- 915
- 285
- 555
- 660
- 900
- 330
- 945
- 945
- 165
- 450
- 255
- 555
- 585
- 180
- 405
- 900
- 240
- 405
- 555
- 840
- 630
- 360
- 600
- 465
- 645
- 195
- 225
- 285
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths