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
- 1.21 × 15 =
- 2.10 × 15 =
- 3.35 × 15 =
- 4.18 × 15 =
- 5.8 × 15 =
- 6.59 × 15 =
- 7.9 × 15 =
- 8.55 × 15 =
- 9.38 × 15 =
- 10.42 × 15 =
- 11.52 × 15 =
- 12.57 × 15 =
- 13.49 × 15 =
- 14.23 × 15 =
- 15.38 × 15 =
- 16.27 × 15 =
- 17.29 × 15 =
- 18.41 × 15 =
- 19.10 × 15 =
- 20.59 × 15 =
- 21.46 × 15 =
- 22.14 × 15 =
- 23.30 × 15 =
- 24.64 × 15 =
- 25.35 × 15 =
- 26.7 × 15 =
- 27.17 × 15 =
- 28.10 × 15 =
- 29.34 × 15 =
- 30.41 × 15 =
- 31.48 × 15 =
- 32.49 × 15 =
- 33.35 × 15 =
- 34.56 × 15 =
- 35.51 × 15 =
- 36.46 × 15 =
- 37.21 × 15 =
- 38.45 × 15 =
- 39.43 × 15 =
- 40.62 × 15 =
Answer key
- 315
- 150
- 525
- 270
- 120
- 885
- 135
- 825
- 570
- 630
- 780
- 855
- 735
- 345
- 570
- 405
- 435
- 615
- 150
- 885
- 690
- 210
- 450
- 960
- 525
- 105
- 255
- 150
- 510
- 615
- 720
- 735
- 525
- 840
- 765
- 690
- 315
- 675
- 645
- 930
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths