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Rounding and Place Value Mastery Lesson

Practice rounding numbers to specific place values, improve fluency, and use correct mathematical language. Includes place value activities, rounding rules, and practice problems. Prepare for exit ticket and homework assignment.

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Rounding and Place Value Mastery Lesson

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  1. Do Now • Complete the questions on the Do Now sheet you picked up today.

  2. After the Do Now

  3. Rounding and Place Value 1.3

  4. After the Do Now

  5. Today’s Objective • SWBAT correctly round numbers to the given place value.

  6. After the Do Now

  7. FLUENCY! • Yesterday – Mad Math Minute • Using Basic Operations • Today – mathematical language • Using correct terms and phrases

  8. Vocabulary Section

  9. Vocabulary Section

  10. Notes

  11. Place Values

  12. Place Values • What do you notice?

  13. Place Value Practice • Listen for Mrs. Alfuth to ask what digit is in a specific place value. Raise your hand when you know the answer. • 543.216 • 1,255,476.12354 • 0.542361

  14. Rounding Rules • Look at the digit after the place value. • If 4 or less, stays the same. • If 5 or more, goes up by 1. • Fill in 0’s to the decimal.

  15. Exemplar 1 • Round 583.135 to the nearest hundredth.

  16. My turn • Round 1.3572 to the nearest tenth. • Round 2.476 to the nearest whole number.

  17. Exemplar 2 • Round 75.964 to the nearest tenth. • When rounding a 9 up, becomes a 10. Bump up the NEXT digit to the left and 9 becomes 0.

  18. Correct Language • Since it is a goal of ours, I will only accept correct mathematical language. • That means no more “point one four”. • How would we say the number: ? • One hundred twenty-seven • Decimal becomes “and” • Twenty-five hundredths (ends in the hundredths place) • “One hundred twenty-seven and twenty-five hundredths”

  19. Practice Time • Draw a line across your notes beneath the last line you wrote. • Label the next section as “Practice” • You will receive a worksheet of rounding problems. • Question, work and answers should be written in your notes NOT on the worksheet. • You have ________ minutes to complete the practice on code red. • Raise your hand if you have a question.

  20. Exit Ticket • Exit tickets are to be completed INDEPENDENTLY and on CODE RED. • As a reminder, Exit Tickets are 10% of your final grade – they can really help your grade out a lot!

  21. Homework • Create 5 rounding questions (worded like the exemplars). • You must create at least one of each type of exemplar from today (that means at least one rounding a 9 problem). • You need to have both the question and the answer to each question when you come to class tomorrow.

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