Worked examples
Two examples
Example 1
4.5 ÷ 0.15 =
- Move the point 2 places to the right in both numbers: 450 ÷ 15.
- Divide. Check: 30 × 0.15 = 4.5.
Answer: 30
Example 2
2.04 ÷ 0.6 =
- Move the point 1 place to the right in both: 20.4 ÷ 6.
- Divide, keeping the point in line. Check: 3.4 × 0.6 = 2.04.
Answer: 3.4
Where this is taught: Quiz 15: Multiplying and Dividing Decimals, “Dividing by a decimal: slide them both”
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.