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
- 1.12 × 15 =
- 2.38 × 15 =
- 3.25 × 15 =
- 4.38 × 15 =
- 5.14 × 15 =
- 6.61 × 15 =
- 7.44 × 15 =
- 8.12 × 15 =
- 9.15 × 15 =
- 10.49 × 15 =
- 11.19 × 15 =
- 12.54 × 15 =
- 13.48 × 15 =
- 14.21 × 15 =
- 15.46 × 15 =
- 16.9 × 15 =
- 17.27 × 15 =
- 18.41 × 15 =
- 19.21 × 15 =
- 20.43 × 15 =
- 21.11 × 15 =
- 22.35 × 15 =
- 23.34 × 15 =
- 24.42 × 15 =
- 25.40 × 15 =
- 26.45 × 15 =
- 27.5 × 15 =
- 28.13 × 15 =
- 29.18 × 15 =
- 30.13 × 15 =
- 31.8 × 15 =
- 32.15 × 15 =
- 33.34 × 15 =
- 34.55 × 15 =
- 35.34 × 15 =
- 36.57 × 15 =
- 37.61 × 15 =
- 38.60 × 15 =
- 39.18 × 15 =
- 40.21 × 15 =
Answer key
- 180
- 570
- 375
- 570
- 210
- 915
- 660
- 180
- 225
- 735
- 285
- 810
- 720
- 315
- 690
- 135
- 405
- 615
- 315
- 645
- 165
- 525
- 510
- 630
- 600
- 675
- 75
- 195
- 270
- 195
- 120
- 225
- 510
- 825
- 510
- 855
- 915
- 900
- 270
- 315
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths