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
- 1.56 × 15 =
- 2.11 × 15 =
- 3.61 × 15 =
- 4.18 × 15 =
- 5.49 × 15 =
- 6.63 × 15 =
- 7.16 × 15 =
- 8.64 × 15 =
- 9.27 × 15 =
- 10.54 × 15 =
- 11.14 × 15 =
- 12.7 × 15 =
- 13.7 × 15 =
- 14.33 × 15 =
- 15.12 × 15 =
- 16.54 × 15 =
- 17.21 × 15 =
- 18.4 × 15 =
- 19.39 × 15 =
- 20.18 × 15 =
- 21.41 × 15 =
- 22.31 × 15 =
- 23.15 × 15 =
- 24.60 × 15 =
- 25.21 × 15 =
- 26.64 × 15 =
- 27.4 × 15 =
- 28.5 × 15 =
- 29.44 × 15 =
- 30.29 × 15 =
- 31.28 × 15 =
- 32.54 × 15 =
- 33.5 × 15 =
- 34.16 × 15 =
- 35.57 × 15 =
- 36.64 × 15 =
- 37.8 × 15 =
- 38.33 × 15 =
- 39.30 × 15 =
- 40.31 × 15 =
Answer key
- 840
- 165
- 915
- 270
- 735
- 945
- 240
- 960
- 405
- 810
- 210
- 105
- 105
- 495
- 180
- 810
- 315
- 60
- 585
- 270
- 615
- 465
- 225
- 900
- 315
- 960
- 60
- 75
- 660
- 435
- 420
- 810
- 75
- 240
- 855
- 960
- 120
- 495
- 450
- 465
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths