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
- 1.44 × 15 =
- 2.44 × 15 =
- 3.36 × 15 =
- 4.43 × 15 =
- 5.39 × 15 =
- 6.30 × 15 =
- 7.54 × 15 =
- 8.27 × 15 =
- 9.17 × 15 =
- 10.41 × 15 =
- 11.12 × 15 =
- 12.27 × 15 =
- 13.25 × 15 =
- 14.45 × 15 =
- 15.16 × 15 =
- 16.30 × 15 =
- 17.15 × 15 =
- 18.51 × 15 =
- 19.23 × 15 =
- 20.57 × 15 =
- 21.20 × 15 =
- 22.52 × 15 =
- 23.34 × 15 =
- 24.19 × 15 =
- 25.62 × 15 =
- 26.42 × 15 =
- 27.27 × 15 =
- 28.30 × 15 =
- 29.6 × 15 =
- 30.5 × 15 =
- 31.29 × 15 =
- 32.56 × 15 =
- 33.46 × 15 =
- 34.21 × 15 =
- 35.36 × 15 =
- 36.12 × 15 =
- 37.5 × 15 =
- 38.59 × 15 =
- 39.18 × 15 =
- 40.55 × 15 =
Answer key
- 660
- 660
- 540
- 645
- 585
- 450
- 810
- 405
- 255
- 615
- 180
- 405
- 375
- 675
- 240
- 450
- 225
- 765
- 345
- 855
- 300
- 780
- 510
- 285
- 930
- 630
- 405
- 450
- 90
- 75
- 435
- 840
- 690
- 315
- 540
- 180
- 75
- 885
- 270
- 825
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths