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
- 1.9 × 15 =
- 2.39 × 15 =
- 3.54 × 15 =
- 4.43 × 15 =
- 5.63 × 15 =
- 6.7 × 15 =
- 7.47 × 15 =
- 8.39 × 15 =
- 9.33 × 15 =
- 10.48 × 15 =
- 11.47 × 15 =
- 12.35 × 15 =
- 13.18 × 15 =
- 14.30 × 15 =
- 15.26 × 15 =
- 16.21 × 15 =
- 17.44 × 15 =
- 18.45 × 15 =
- 19.27 × 15 =
- 20.18 × 15 =
- 21.32 × 15 =
- 22.45 × 15 =
- 23.25 × 15 =
- 24.54 × 15 =
- 25.7 × 15 =
- 26.4 × 15 =
- 27.10 × 15 =
- 28.23 × 15 =
- 29.49 × 15 =
- 30.45 × 15 =
- 31.56 × 15 =
- 32.25 × 15 =
- 33.33 × 15 =
- 34.17 × 15 =
- 35.38 × 15 =
- 36.15 × 15 =
- 37.36 × 15 =
- 38.22 × 15 =
- 39.19 × 15 =
- 40.55 × 15 =
Answer key
- 135
- 585
- 810
- 645
- 945
- 105
- 705
- 585
- 495
- 720
- 705
- 525
- 270
- 450
- 390
- 315
- 660
- 675
- 405
- 270
- 480
- 675
- 375
- 810
- 105
- 60
- 150
- 345
- 735
- 675
- 840
- 375
- 495
- 255
- 570
- 225
- 540
- 330
- 285
- 825
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths