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
- 1.8 × 15 =
- 2.61 × 15 =
- 3.17 × 15 =
- 4.18 × 15 =
- 5.16 × 15 =
- 6.58 × 15 =
- 7.50 × 15 =
- 8.55 × 15 =
- 9.62 × 15 =
- 10.39 × 15 =
- 11.14 × 15 =
- 12.23 × 15 =
- 13.5 × 15 =
- 14.21 × 15 =
- 15.14 × 15 =
- 16.26 × 15 =
- 17.53 × 15 =
- 18.34 × 15 =
- 19.49 × 15 =
- 20.19 × 15 =
- 21.54 × 15 =
- 22.33 × 15 =
- 23.57 × 15 =
- 24.28 × 15 =
- 25.53 × 15 =
- 26.21 × 15 =
- 27.25 × 15 =
- 28.26 × 15 =
- 29.52 × 15 =
- 30.52 × 15 =
- 31.8 × 15 =
- 32.57 × 15 =
- 33.57 × 15 =
- 34.41 × 15 =
- 35.35 × 15 =
- 36.15 × 15 =
- 37.34 × 15 =
- 38.28 × 15 =
- 39.35 × 15 =
- 40.20 × 15 =
Answer key
- 120
- 915
- 255
- 270
- 240
- 870
- 750
- 825
- 930
- 585
- 210
- 345
- 75
- 315
- 210
- 390
- 795
- 510
- 735
- 285
- 810
- 495
- 855
- 420
- 795
- 315
- 375
- 390
- 780
- 780
- 120
- 855
- 855
- 615
- 525
- 225
- 510
- 420
- 525
- 300
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths