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
- 1.38 × 15 =
- 2.54 × 15 =
- 3.54 × 15 =
- 4.43 × 15 =
- 5.47 × 15 =
- 6.4 × 15 =
- 7.17 × 15 =
- 8.18 × 15 =
- 9.39 × 15 =
- 10.45 × 15 =
- 11.60 × 15 =
- 12.35 × 15 =
- 13.22 × 15 =
- 14.10 × 15 =
- 15.59 × 15 =
- 16.18 × 15 =
- 17.22 × 15 =
- 18.29 × 15 =
- 19.23 × 15 =
- 20.61 × 15 =
- 21.37 × 15 =
- 22.8 × 15 =
- 23.27 × 15 =
- 24.38 × 15 =
- 25.56 × 15 =
- 26.20 × 15 =
- 27.36 × 15 =
- 28.34 × 15 =
- 29.28 × 15 =
- 30.56 × 15 =
- 31.41 × 15 =
- 32.44 × 15 =
- 33.30 × 15 =
- 34.52 × 15 =
- 35.27 × 15 =
- 36.44 × 15 =
- 37.22 × 15 =
- 38.16 × 15 =
- 39.64 × 15 =
- 40.43 × 15 =
Answer key
- 570
- 810
- 810
- 645
- 705
- 60
- 255
- 270
- 585
- 675
- 900
- 525
- 330
- 150
- 885
- 270
- 330
- 435
- 345
- 915
- 555
- 120
- 405
- 570
- 840
- 300
- 540
- 510
- 420
- 840
- 615
- 660
- 450
- 780
- 405
- 660
- 330
- 240
- 960
- 645
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths