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
- 1.36 × 15 =
- 2.58 × 15 =
- 3.10 × 15 =
- 4.63 × 15 =
- 5.38 × 15 =
- 6.30 × 15 =
- 7.32 × 15 =
- 8.54 × 15 =
- 9.61 × 15 =
- 10.18 × 15 =
- 11.55 × 15 =
- 12.60 × 15 =
- 13.51 × 15 =
- 14.44 × 15 =
- 15.30 × 15 =
- 16.18 × 15 =
- 17.50 × 15 =
- 18.47 × 15 =
- 19.17 × 15 =
- 20.55 × 15 =
- 21.44 × 15 =
- 22.22 × 15 =
- 23.56 × 15 =
- 24.17 × 15 =
- 25.22 × 15 =
- 26.47 × 15 =
- 27.62 × 15 =
- 28.31 × 15 =
- 29.64 × 15 =
- 30.56 × 15 =
- 31.8 × 15 =
- 32.17 × 15 =
- 33.38 × 15 =
- 34.35 × 15 =
- 35.35 × 15 =
- 36.14 × 15 =
- 37.33 × 15 =
- 38.49 × 15 =
- 39.14 × 15 =
- 40.18 × 15 =
Answer key
- 540
- 870
- 150
- 945
- 570
- 450
- 480
- 810
- 915
- 270
- 825
- 900
- 765
- 660
- 450
- 270
- 750
- 705
- 255
- 825
- 660
- 330
- 840
- 255
- 330
- 705
- 930
- 465
- 960
- 840
- 120
- 255
- 570
- 525
- 525
- 210
- 495
- 735
- 210
- 270
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths