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
- 1.54 × 15 =
- 2.46 × 15 =
- 3.56 × 15 =
- 4.62 × 15 =
- 5.56 × 15 =
- 6.26 × 15 =
- 7.36 × 15 =
- 8.62 × 15 =
- 9.15 × 15 =
- 10.15 × 15 =
- 11.24 × 15 =
- 12.16 × 15 =
- 13.48 × 15 =
- 14.11 × 15 =
- 15.16 × 15 =
- 16.21 × 15 =
- 17.4 × 15 =
- 18.31 × 15 =
- 19.64 × 15 =
- 20.64 × 15 =
- 21.18 × 15 =
- 22.27 × 15 =
- 23.27 × 15 =
- 24.33 × 15 =
- 25.6 × 15 =
- 26.37 × 15 =
- 27.42 × 15 =
- 28.6 × 15 =
- 29.60 × 15 =
- 30.38 × 15 =
- 31.32 × 15 =
- 32.40 × 15 =
- 33.5 × 15 =
- 34.61 × 15 =
- 35.11 × 15 =
- 36.6 × 15 =
- 37.43 × 15 =
- 38.64 × 15 =
- 39.30 × 15 =
- 40.9 × 15 =
Answer key
- 810
- 690
- 840
- 930
- 840
- 390
- 540
- 930
- 225
- 225
- 360
- 240
- 720
- 165
- 240
- 315
- 60
- 465
- 960
- 960
- 270
- 405
- 405
- 495
- 90
- 555
- 630
- 90
- 900
- 570
- 480
- 600
- 75
- 915
- 165
- 90
- 645
- 960
- 450
- 135
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths