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
- 1.38 × 15 =
- 2.13 × 15 =
- 3.6 × 15 =
- 4.60 × 15 =
- 5.17 × 15 =
- 6.48 × 15 =
- 7.8 × 15 =
- 8.29 × 15 =
- 9.49 × 15 =
- 10.54 × 15 =
- 11.26 × 15 =
- 12.56 × 15 =
- 13.20 × 15 =
- 14.29 × 15 =
- 15.61 × 15 =
- 16.38 × 15 =
- 17.39 × 15 =
- 18.23 × 15 =
- 19.8 × 15 =
- 20.59 × 15 =
- 21.27 × 15 =
- 22.61 × 15 =
- 23.37 × 15 =
- 24.49 × 15 =
- 25.6 × 15 =
- 26.24 × 15 =
- 27.31 × 15 =
- 28.61 × 15 =
- 29.27 × 15 =
- 30.18 × 15 =
- 31.43 × 15 =
- 32.37 × 15 =
- 33.21 × 15 =
- 34.20 × 15 =
- 35.40 × 15 =
- 36.33 × 15 =
- 37.27 × 15 =
- 38.59 × 15 =
- 39.8 × 15 =
- 40.16 × 15 =
Answer key
- 570
- 195
- 90
- 900
- 255
- 720
- 120
- 435
- 735
- 810
- 390
- 840
- 300
- 435
- 915
- 570
- 585
- 345
- 120
- 885
- 405
- 915
- 555
- 735
- 90
- 360
- 465
- 915
- 405
- 270
- 645
- 555
- 315
- 300
- 600
- 495
- 405
- 885
- 120
- 240
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths