# Unit: Rounding

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### Unit Description

This unit includes key terms for rounding, rounding from the tens to the hundred thousands place, and using rounding to estimate a sum or product. The lessons are broken down by place value to assist with re-teaching rounding to a specific value. Standards Covered: 4.NSO-N.3. Round whole numbers to 100,000 to the nearest 10, 100, 1,000, 10,000, and 100,000. 4.NSO-E.29. Estimate the answers to calculations involving addition, subtraction, or multiplication; know when approximation or a rounded solution is appropriate and use it to check the reasonableness of answers.

### Lessons

 Introduction to Rounding Resources: 3 SWBAT define key terms for rounding. 4 Rounding: Tens Place Resources: 3 SWBAT round whole numbers to the nearest tens place. 2 Rounding: Real Life Situations Resources: 3 SWBAT utilize real life situations that require rounding whole numbers to the nearest tens place. 15 Rounding: Hundreds Place Resources: 2 SWBAT round whole numbers to the nearest hundreds place. 4 Rounding: Thousands Place Resources: 2 SWBAT round whole numbers to the nearest thousands place. 3 Rounding: Ten Thousands Place Resources: 3 SWBAT round whole numbers to the nearest ten thousands place. 2 Rounding: Hundred Thousands Place Resources: 1 SWBAT round whole numbers to the nearest hundred thousands place. 3 Rounding: Estimating Sum and Product Resources: 2 SWBAT round whole numbers in order to estimate to find a sum or product. 6 Rounding: Estimating Difference Resources: 2 SWBAT round whole numbers to the thousands place in order to estimate answers to a subtraction problem. 11 Rounding: 10s - 100,000s Resources: 2 SWBAT round whole numbers up to the hundred thousands place. 10 Rounding: Using Place Value Chart Resources: 3 SWBAT round whole numbers to the hundred thousands place to the nearest ten and hundred. 12

### Unit Resources

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