## Number & Operations in Base Ten – 4th Grade

**Generalize place value understanding for multi-digit whole numbers.**

Use place value understanding to round multi-digit whole numbers to any place.

**Teacher Notes
**The teacher needs to understand the role place value has in understanding whole numbers. Understanding place value and the base ten number system helps students apply the same rules to decimals in later grades.

**Student Knowledge Goals**

I know the names and values of the digits in any given place value position up to one million.

I know the rules for rounding to any selected place value up to one million, beyond just the leading digit.

I can use place value models to reason about numbers.

**Vocabulary**

place

place value positions (hundred thousand, million, etc.)

round/rounding

ten thousand

value

whole number

**Lessons**

Engage NY Module 1 C-7 – Round multi-digit numbers to the thousands place using the vertical number line. Includes printable classwork and homework

Engage NY Module 1 C-8 – Round any number with vertical number line. Includes printable classwork and homework

Engage NY Module 1 C-9 – Place value understanding to round multi-digit numbers to any place value Includes printable classwork and homework

Engage NY Module 1 C-10 – Place value to round multi-digit numbers to any place value using real world applications. Includes printable classwork and homework

**Student Video Lessons**

Learn Zillion – Round multi-digit whole numbers to any place

Study Jams – Estimating Whole Numbers

**Online Problem and Assessments
**Khan Academy – Questions and Video Lessons

Rounding

Estimate Sums

Estimate Sums: Word Problems

Estimate Differences

Estimate Differences: Word Problems

Estimate Products

Estimate Products II

Divide by 1-Digit Numbers: Estimate Quotients

Estimate Quotients

**Online Games**

Place Value

**Printables**

Rounding – Ten and Hundreds. Reteach students basic rounding skills.

Rounding – Nearest Thousand, Ten Thousand, Hundred Thousand

Estimating – Whole Numbers

Rounding Worksheets Generator

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