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
- 1.44 × 15 =
- 2.7 × 15 =
- 3.7 × 15 =
- 4.59 × 15 =
- 5.40 × 15 =
- 6.63 × 15 =
- 7.33 × 15 =
- 8.18 × 15 =
- 9.42 × 15 =
- 10.58 × 15 =
- 11.32 × 15 =
- 12.33 × 15 =
- 13.52 × 15 =
- 14.18 × 15 =
- 15.54 × 15 =
- 16.10 × 15 =
- 17.11 × 15 =
- 18.27 × 15 =
- 19.29 × 15 =
- 20.9 × 15 =
- 21.39 × 15 =
- 22.56 × 15 =
- 23.56 × 15 =
- 24.11 × 15 =
- 25.37 × 15 =
- 26.43 × 15 =
- 27.15 × 15 =
- 28.15 × 15 =
- 29.21 × 15 =
- 30.61 × 15 =
- 31.49 × 15 =
- 32.27 × 15 =
- 33.53 × 15 =
- 34.9 × 15 =
- 35.4 × 15 =
- 36.62 × 15 =
- 37.17 × 15 =
- 38.54 × 15 =
- 39.44 × 15 =
- 40.22 × 15 =
Answer key
- 660
- 105
- 105
- 885
- 600
- 945
- 495
- 270
- 630
- 870
- 480
- 495
- 780
- 270
- 810
- 150
- 165
- 405
- 435
- 135
- 585
- 840
- 840
- 165
- 555
- 645
- 225
- 225
- 315
- 915
- 735
- 405
- 795
- 135
- 60
- 930
- 255
- 810
- 660
- 330
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths