Mark the Digit Used to Round
Focus: Divide and Round to the Given Place. Use the worked example and teaching sequence below to explain the reasoning before independent practice.
Use New Numbers to make another set. Choose Worksheet or Answer Key, then use the worksheet’s Print button.
Teaching Notes
Focus: Divide and Round to the Given Place. Use the worked example and teaching sequence below to explain the reasoning before independent practice.
Before You Begin
- Read the numbers and identify the operation.
Teaching Steps for Parents and Teachers
- Multiply dividend and divisor by the same power of 10 to make the divisor a whole number.
- Calculate the quotient.
- Inspect the digit immediately to the right of the requested place and round the quotient.
Worked Examples
Calculate 0.68 ÷ 0.5, then round the quotient to the nearest tenth.
- Multiply both numbers by 10: 0.68 ÷ 0.5 = 6.8 ÷ 5.
- 6.8 ÷ 5 = 1.36.
- The hundredths digit is 6, so 1.36 rounds to 1.4.
Answer: 1.4
Common Mistakes and How to Help
The answer does not match the requested form or place.
Return to the worked example. Ask the learner to explain each step and check the result against the original question.
Questions to Check Understanding
- What does each number in this example represent?
- Why does the final answer have this form?
- Can you explain the same steps using another example?
Practice Advice
Work through the example together. Ask the learner to explain the first two problems, then try three independently. Review the first incorrect step before assigning more practice.
Next Practice
- Use New Numbers to practice the same skill with different values.
- If the learner needs help, return to the example and model each step before trying again.