Lesson plan

Round and Round We Go

Do you feel like your students are on a merry-go-round when it comes to rounding? This lesson will give your student control of the “ride” and give them tools to use when rounding.
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Students will use place value understanding to round multi-digit whole numbers to any place.

(5 minutes)
  • Before beginning this lesson, review place value with students. Ensure that they know the ones, tens, hundreds, thousands, and ten thousands places.
  • Ask students if they know what rounding is and how to do it.
  • Take volunteers to explain it in their own words. Define rounding as altering a number to make it less concise but more convenient.
  • Explain to students that today they are going to use place values to round numbers to a given place value.
(10 minutes)
  • Show students the Rounding to a Given Place Value video.
  • Explain to students that you have a strategy for rounding to a given place value, too.
  • Review your strategy with students: Find the place, look next door, 5 or more raise the score, 4 or less let it rest, To the right: all zeros, all right!
  • Now use the strategy to round a few numbers chosen by you.
  • Leave the strategy on the board and have students copy it down in a journal or on a piece of paper.
(10 minutes)
  • Pass out the Round 'Em Up worksheet.
  • Allow students to work in pairs or small groups to complete the worksheet.
  • Advise students to use the strategy to round each number to the place value as written in the instructions.
  • You may have to do one from each section to get students started.
  • Take the last two or three minutes to go over the answers and address any concerns.
(20 minutes)
  • Pass out the Let’s Go Rounding! worksheet.
  • Advise student they will work alone to complete the independent practice.
  • If students get stuck, remind them to use the strategy.
  • Take the last two or three minutes to go over the answers and address any concerns.
  • Enrichment: Advanced students can use the Rounding to Whole Numbers worksheet to incorporate rounding with decimals to the nearest whole number.
  • Support: Students who are struggling can use a place value chart or draw a place value chart for each number to help them identify the place value and round up or down as directed.
(15 minutes)
  • Pass out the Rounding Numbers worksheet which will be used as the assessment.
  • Advise students to show that they can round to any given place value.
  • Tell them the strategy still applies regardless of the requested place value.
(5 minutes)
  • Review the strategy with students.
  • Make sure that they all know it and how to use it.
  • Put up a large six-digit number and have students round to the nearest hundred thousand.

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