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
- 1.46 × 15 =
- 2.14 × 15 =
- 3.38 × 15 =
- 4.9 × 15 =
- 5.37 × 15 =
- 6.54 × 15 =
- 7.43 × 15 =
- 8.35 × 15 =
- 9.30 × 15 =
- 10.6 × 15 =
- 11.13 × 15 =
- 12.33 × 15 =
- 13.5 × 15 =
- 14.35 × 15 =
- 15.36 × 15 =
- 16.26 × 15 =
- 17.63 × 15 =
- 18.14 × 15 =
- 19.25 × 15 =
- 20.35 × 15 =
- 21.63 × 15 =
- 22.54 × 15 =
- 23.37 × 15 =
- 24.39 × 15 =
- 25.34 × 15 =
- 26.11 × 15 =
- 27.48 × 15 =
- 28.23 × 15 =
- 29.33 × 15 =
- 30.54 × 15 =
- 31.9 × 15 =
- 32.9 × 15 =
- 33.58 × 15 =
- 34.11 × 15 =
- 35.39 × 15 =
- 36.10 × 15 =
- 37.31 × 15 =
- 38.37 × 15 =
- 39.5 × 15 =
- 40.20 × 15 =
Answer key
- 690
- 210
- 570
- 135
- 555
- 810
- 645
- 525
- 450
- 90
- 195
- 495
- 75
- 525
- 540
- 390
- 945
- 210
- 375
- 525
- 945
- 810
- 555
- 585
- 510
- 165
- 720
- 345
- 495
- 810
- 135
- 135
- 870
- 165
- 585
- 150
- 465
- 555
- 75
- 300
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths