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
- 1.13 × 15 =
- 2.13 × 15 =
- 3.14 × 15 =
- 4.11 × 15 =
- 5.28 × 15 =
- 6.64 × 15 =
- 7.43 × 15 =
- 8.20 × 15 =
- 9.57 × 15 =
- 10.8 × 15 =
- 11.62 × 15 =
- 12.13 × 15 =
- 13.39 × 15 =
- 14.36 × 15 =
- 15.60 × 15 =
- 16.8 × 15 =
- 17.4 × 15 =
- 18.13 × 15 =
- 19.16 × 15 =
- 20.19 × 15 =
- 21.22 × 15 =
- 22.46 × 15 =
- 23.21 × 15 =
- 24.52 × 15 =
- 25.5 × 15 =
- 26.56 × 15 =
- 27.50 × 15 =
- 28.22 × 15 =
- 29.22 × 15 =
- 30.24 × 15 =
- 31.57 × 15 =
- 32.9 × 15 =
- 33.9 × 15 =
- 34.26 × 15 =
- 35.10 × 15 =
- 36.32 × 15 =
- 37.12 × 15 =
- 38.14 × 15 =
- 39.19 × 15 =
- 40.63 × 15 =
Answer key
- 195
- 195
- 210
- 165
- 420
- 960
- 645
- 300
- 855
- 120
- 930
- 195
- 585
- 540
- 900
- 120
- 60
- 195
- 240
- 285
- 330
- 690
- 315
- 780
- 75
- 840
- 750
- 330
- 330
- 360
- 855
- 135
- 135
- 390
- 150
- 480
- 180
- 210
- 285
- 945
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths