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
- 1.33 × 15 =
- 2.35 × 15 =
- 3.19 × 15 =
- 4.50 × 15 =
- 5.29 × 15 =
- 6.50 × 15 =
- 7.11 × 15 =
- 8.56 × 15 =
- 9.18 × 15 =
- 10.53 × 15 =
- 11.46 × 15 =
- 12.55 × 15 =
- 13.56 × 15 =
- 14.13 × 15 =
- 15.52 × 15 =
- 16.13 × 15 =
- 17.45 × 15 =
- 18.6 × 15 =
- 19.14 × 15 =
- 20.36 × 15 =
- 21.21 × 15 =
- 22.46 × 15 =
- 23.23 × 15 =
- 24.26 × 15 =
- 25.5 × 15 =
- 26.8 × 15 =
- 27.19 × 15 =
- 28.4 × 15 =
- 29.27 × 15 =
- 30.18 × 15 =
- 31.20 × 15 =
- 32.10 × 15 =
- 33.20 × 15 =
- 34.39 × 15 =
- 35.37 × 15 =
- 36.32 × 15 =
- 37.4 × 15 =
- 38.50 × 15 =
- 39.14 × 15 =
- 40.22 × 15 =
Answer key
- 495
- 525
- 285
- 750
- 435
- 750
- 165
- 840
- 270
- 795
- 690
- 825
- 840
- 195
- 780
- 195
- 675
- 90
- 210
- 540
- 315
- 690
- 345
- 390
- 75
- 120
- 285
- 60
- 405
- 270
- 300
- 150
- 300
- 585
- 555
- 480
- 60
- 750
- 210
- 330
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths