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
- 1.56 × 15 =
- 2.50 × 15 =
- 3.50 × 15 =
- 4.29 × 15 =
- 5.10 × 15 =
- 6.10 × 15 =
- 7.18 × 15 =
- 8.21 × 15 =
- 9.6 × 15 =
- 10.35 × 15 =
- 11.12 × 15 =
- 12.12 × 15 =
- 13.28 × 15 =
- 14.57 × 15 =
- 15.6 × 15 =
- 16.34 × 15 =
- 17.16 × 15 =
- 18.46 × 15 =
- 19.36 × 15 =
- 20.19 × 15 =
- 21.24 × 15 =
- 22.12 × 15 =
- 23.39 × 15 =
- 24.54 × 15 =
- 25.44 × 15 =
- 26.20 × 15 =
- 27.11 × 15 =
- 28.16 × 15 =
- 29.5 × 15 =
- 30.18 × 15 =
- 31.58 × 15 =
- 32.6 × 15 =
- 33.40 × 15 =
- 34.49 × 15 =
- 35.29 × 15 =
- 36.45 × 15 =
- 37.6 × 15 =
- 38.43 × 15 =
- 39.44 × 15 =
- 40.56 × 15 =
Answer key
- 840
- 750
- 750
- 435
- 150
- 150
- 270
- 315
- 90
- 525
- 180
- 180
- 420
- 855
- 90
- 510
- 240
- 690
- 540
- 285
- 360
- 180
- 585
- 810
- 660
- 300
- 165
- 240
- 75
- 270
- 870
- 90
- 600
- 735
- 435
- 675
- 90
- 645
- 660
- 840
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths