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
- 1.13 × 15 =
- 2.49 × 15 =
- 3.37 × 15 =
- 4.6 × 15 =
- 5.39 × 15 =
- 6.4 × 15 =
- 7.9 × 15 =
- 8.62 × 15 =
- 9.29 × 15 =
- 10.49 × 15 =
- 11.45 × 15 =
- 12.44 × 15 =
- 13.9 × 15 =
- 14.17 × 15 =
- 15.30 × 15 =
- 16.55 × 15 =
- 17.7 × 15 =
- 18.46 × 15 =
- 19.46 × 15 =
- 20.26 × 15 =
- 21.33 × 15 =
- 22.43 × 15 =
- 23.32 × 15 =
- 24.4 × 15 =
- 25.12 × 15 =
- 26.10 × 15 =
- 27.16 × 15 =
- 28.38 × 15 =
- 29.57 × 15 =
- 30.10 × 15 =
- 31.31 × 15 =
- 32.40 × 15 =
- 33.10 × 15 =
- 34.33 × 15 =
- 35.56 × 15 =
- 36.28 × 15 =
- 37.19 × 15 =
- 38.55 × 15 =
- 39.6 × 15 =
- 40.28 × 15 =
Answer key
- 195
- 735
- 555
- 90
- 585
- 60
- 135
- 930
- 435
- 735
- 675
- 660
- 135
- 255
- 450
- 825
- 105
- 690
- 690
- 390
- 495
- 645
- 480
- 60
- 180
- 150
- 240
- 570
- 855
- 150
- 465
- 600
- 150
- 495
- 840
- 420
- 285
- 825
- 90
- 420
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths