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
- 1.47 × 15 =
- 2.33 × 15 =
- 3.20 × 15 =
- 4.56 × 15 =
- 5.12 × 15 =
- 6.60 × 15 =
- 7.25 × 15 =
- 8.25 × 15 =
- 9.8 × 15 =
- 10.59 × 15 =
- 11.8 × 15 =
- 12.38 × 15 =
- 13.55 × 15 =
- 14.11 × 15 =
- 15.42 × 15 =
- 16.13 × 15 =
- 17.5 × 15 =
- 18.29 × 15 =
- 19.34 × 15 =
- 20.19 × 15 =
- 21.28 × 15 =
- 22.19 × 15 =
- 23.51 × 15 =
- 24.27 × 15 =
- 25.24 × 15 =
- 26.36 × 15 =
- 27.50 × 15 =
- 28.32 × 15 =
- 29.28 × 15 =
- 30.26 × 15 =
- 31.40 × 15 =
- 32.10 × 15 =
- 33.60 × 15 =
- 34.15 × 15 =
- 35.50 × 15 =
- 36.43 × 15 =
- 37.23 × 15 =
- 38.44 × 15 =
- 39.13 × 15 =
- 40.16 × 15 =
Answer key
- 705
- 495
- 300
- 840
- 180
- 900
- 375
- 375
- 120
- 885
- 120
- 570
- 825
- 165
- 630
- 195
- 75
- 435
- 510
- 285
- 420
- 285
- 765
- 405
- 360
- 540
- 750
- 480
- 420
- 390
- 600
- 150
- 900
- 225
- 750
- 645
- 345
- 660
- 195
- 240
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths