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
- 1.62 × 15 =
- 2.34 × 15 =
- 3.38 × 15 =
- 4.45 × 15 =
- 5.51 × 15 =
- 6.35 × 15 =
- 7.47 × 15 =
- 8.29 × 15 =
- 9.41 × 15 =
- 10.23 × 15 =
- 11.24 × 15 =
- 12.39 × 15 =
- 13.46 × 15 =
- 14.34 × 15 =
- 15.63 × 15 =
- 16.23 × 15 =
- 17.34 × 15 =
- 18.19 × 15 =
- 19.43 × 15 =
- 20.15 × 15 =
- 21.33 × 15 =
- 22.37 × 15 =
- 23.18 × 15 =
- 24.56 × 15 =
- 25.36 × 15 =
- 26.27 × 15 =
- 27.57 × 15 =
- 28.21 × 15 =
- 29.24 × 15 =
- 30.39 × 15 =
- 31.30 × 15 =
- 32.21 × 15 =
- 33.19 × 15 =
- 34.48 × 15 =
- 35.4 × 15 =
- 36.61 × 15 =
- 37.24 × 15 =
- 38.43 × 15 =
- 39.42 × 15 =
- 40.50 × 15 =
Answer key
- 930
- 510
- 570
- 675
- 765
- 525
- 705
- 435
- 615
- 345
- 360
- 585
- 690
- 510
- 945
- 345
- 510
- 285
- 645
- 225
- 495
- 555
- 270
- 840
- 540
- 405
- 855
- 315
- 360
- 585
- 450
- 315
- 285
- 720
- 60
- 915
- 360
- 645
- 630
- 750
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths