Worked examples
Two examples
Example 1
347 × 26 =
- Split 26 into 20 and 6.
- 347 × 6 = 2,082. 347 × 20 = 6,940.
- Add the two: 2,082 + 6,940.
Answer: 9,022
Example 2
58 × 43 =
- Split 43 into 40 and 3.
- 58 × 3 = 174. 58 × 40 = 2,320.
- 174 + 2,320.
Answer: 2,494
Where this is taught: Quiz 4: Multi-Digit Multiplication, “The standard method is the rectangle, folded up”
The drill
Ten problems
How many:
Type each answer, then press Check my answers at the bottom. Commas in large numbers are fine.Write each answer on the line. The answer key, with the reasoning, is on the last page.