# 4th Grade Math

**Module 1**

**TOPIC C Rounding Multi-Digit Whole Numbers 6 LESSONS**: 10-15

Students name multi-digit numbers in unit form in different ways by using smaller units (e.g., 245,000 as 24 ten thousands 5 thousands or 245 thousands), and they find 1 more or 1 less of a given unit in preparation for rounding on a vertical number line. Students round four-digit, five-digit, and six-digit numbers to the nearest thousand, ten thousand, and hundred thousand. They determine an appropriate rounding strategy to make useful estimates for a given context.

### TOPIC B Place Value and Comparison within 1,000,000* 5 Lessons*: 5-9

Students name the place value units of ten thousand, hundred thousand, and million. They recognize the multiplicative relationship between place value units—the value of a digit in one place is ten times as much as the value of the same digit in the place to its right. Students write and compare numbers with up to 6 digits in standard, expanded, word, and unit forms.

###### Key Questions for Topic A Lessons 1-4:

###### Students identify, represent, and interpret multiplicative comparisons in patterns, tape diagrams, multiplication equations, measurements, and units of money. They describe the relationship between quantities as *times as much as* or use other language as applicable to a given context (e.g., *times as many as*, *times as long as*, *times as heavy as*). Students use multiplication or division to find an unknown quantity in a comparison.

- How can you describe a multiplication relationship between numbers?
- How can multiplication equations and tape diagrams represent
*times as many*situations?

# Class/Homework Assignments