Worked examples
Two examples
Example 1
46 × 100 =
- Multiplying by 100 moves every digit two places to the left: write two zeros after 46.
Answer: 4,600
Example 2
37,000 ÷ 1,000 =
- Dividing by 1,000 moves every digit three places to the right: take three zeros off the end.
Answer: 37
Where this is taught: Quiz 4: Multi-Digit Multiplication, “Tens and hundreds travel light”
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.