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
- 1.52 × 15 =
- 2.37 × 15 =
- 3.17 × 15 =
- 4.31 × 15 =
- 5.57 × 15 =
- 6.19 × 15 =
- 7.54 × 15 =
- 8.33 × 15 =
- 9.53 × 15 =
- 10.19 × 15 =
- 11.48 × 15 =
- 12.32 × 15 =
- 13.28 × 15 =
- 14.10 × 15 =
- 15.34 × 15 =
- 16.54 × 15 =
- 17.62 × 15 =
- 18.25 × 15 =
- 19.30 × 15 =
- 20.43 × 15 =
- 21.48 × 15 =
- 22.32 × 15 =
- 23.25 × 15 =
- 24.47 × 15 =
- 25.21 × 15 =
- 26.56 × 15 =
- 27.64 × 15 =
- 28.43 × 15 =
- 29.52 × 15 =
- 30.49 × 15 =
- 31.50 × 15 =
- 32.16 × 15 =
- 33.11 × 15 =
- 34.40 × 15 =
- 35.60 × 15 =
- 36.42 × 15 =
- 37.5 × 15 =
- 38.24 × 15 =
- 39.47 × 15 =
- 40.12 × 15 =
Answer key
- 780
- 555
- 255
- 465
- 855
- 285
- 810
- 495
- 795
- 285
- 720
- 480
- 420
- 150
- 510
- 810
- 930
- 375
- 450
- 645
- 720
- 480
- 375
- 705
- 315
- 840
- 960
- 645
- 780
- 735
- 750
- 240
- 165
- 600
- 900
- 630
- 75
- 360
- 705
- 180
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths