3-Digit by 1-Digit Multiplication Worksheet
How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.
NameDateTime takenScore ___ / 40
- 1.122 × 3 =
- 2.208 × 9 =
- 3.123 × 5 =
- 4.322 × 3 =
- 5.222 × 5 =
- 6.153 × 8 =
- 7.775 × 7 =
- 8.155 × 7 =
- 9.438 × 8 =
- 10.511 × 8 =
- 11.244 × 7 =
- 12.139 × 5 =
- 13.652 × 5 =
- 14.217 × 7 =
- 15.165 × 6 =
- 16.632 × 8 =
- 17.671 × 4 =
- 18.586 × 5 =
- 19.399 × 4 =
- 20.946 × 7 =
- 21.282 × 4 =
- 22.824 × 3 =
- 23.395 × 8 =
- 24.833 × 3 =
- 25.417 × 6 =
- 26.217 × 4 =
- 27.304 × 4 =
- 28.582 × 3 =
- 29.624 × 6 =
- 30.126 × 6 =
- 31.165 × 8 =
- 32.654 × 8 =
- 33.375 × 4 =
- 34.632 × 5 =
- 35.144 × 9 =
- 36.268 × 9 =
- 37.617 × 6 =
- 38.182 × 4 =
- 39.706 × 9 =
- 40.805 × 3 =
Answer key
- 366
- 1872
- 615
- 966
- 1110
- 1224
- 5425
- 1085
- 3504
- 4088
- 1708
- 695
- 3260
- 1519
- 990
- 5056
- 2684
- 2930
- 1596
- 6622
- 1128
- 2472
- 3160
- 2499
- 2502
- 868
- 1216
- 1746
- 3744
- 756
- 1320
- 5232
- 1500
- 3160
- 1296
- 2412
- 3702
- 728
- 6354
- 2415
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths