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Strategies for Rounding Numbers: Lesson Review

Learn how to estimate and round numbers to the thousands using number lines and place value charts. Practice rounding in class and at home. Understand the importance of rounded numbers in daily life.

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Strategies for Rounding Numbers: Lesson Review

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  1. Lesson 4 Rounding Numbers to the Thousands

  2. Estimate jar How did you estimate the answer?

  3. Review • Rounded numbers are not exact. • Rounded numbers tell us about how many or how much. • Why use them if they aren’t exact? • When would you use them?

  4. Number Line

  5. Round your estimates To the greatest place value (Don’t forget your zeros!)

  6. 4,499; 4,750; 4,111

  7. Place Value Chart IIRound to the Thousands • 3,139 • 4,602 • 8,547 • 6,291

  8. Round to the Greatest Place • 4,602 • 8,347 • 291

  9. 53,690; 55,555; 59,300

  10. Money • Round to the nearest dollar • $4.47 • $6.80 • $3.95 • Round to the nearest ten dollars • $16.35 • $33.50 • $85.00

  11. Classwork • Page 10 in textbook • Complete Practice on page 11 in your groups • Read the directions aloud

  12. Conclusion • Estimate the number of students at The Rock Christian Academy. • About 140 • Round the estimate to the greatest place value • 140 Underline the place value • Look to the right • Less than 5 • 100 • Homework • Finish Practice on Page 11 at home if you didn’t complete it in class.

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