# Unit 1: Module 1: Place value and decimal fractions

## About this unit

"In Module 1, students’ understandings of the patterns in the base ten system are extended from Grade 4’s work with place value to include decimals to the thousandths place. In Grade 5, students deepen their knowledge through a more generalized understanding of the relationships between and among adjacent places on the place value chart, e.g., 1 tenth times any digit on the place value chart moves the digit one place value to the right (5.NBT.1). Toward the module’s end, students apply these new understandings as they reason about and perform decimal operations through the hundredths place." Eureka Math/EngageNY (c) 2015 GreatMinds.org

### Learn

### Practice

- Place value namesGet 5 of 7 questions to level up!
- Value of a digitGet 5 of 7 questions to level up!
- Multiply and divide by powers of 10Get 5 of 7 questions to level up!
- Powers of tenGet 5 of 7 questions to level up!
- Multiply and divide decimals by 10Get 3 of 4 questions to level up!
- Multiply and divide decimals by 10, 100, and 1000Get 3 of 4 questions to level up!
- Decimals on the number line: thousandthsGet 3 of 4 questions to level up!
- Compare decimal place valueGet 3 of 4 questions to level up!

### Learn

### Practice

- Decimals in expanded formGet 3 of 4 questions to level up!
- Decimals in written formGet 3 of 4 questions to level up!
- Decimals in written and expanded formGet 3 of 4 questions to level up!
- Write common fractions as decimalsGet 5 of 7 questions to level up!
- Compare decimals through thousandthsGet 5 of 7 questions to level up!
- Compare decimals in different formsGet 3 of 4 questions to level up!
- Order decimalsGet 3 of 4 questions to level up!
- Compare decimals word problemsGet 3 of 4 questions to level up!
- Regroup decimalsGet 3 of 4 questions to level up!

### Learn

### Practice

- Round decimals Get 5 of 7 questions to level up!
- Round decimals using a number lineGet 3 of 4 questions to level up!
- Round decimals word problemsGet 3 of 4 questions to level up!
- Understand decimal roundingGet 3 of 4 questions to level up!

### Learn

### Practice

- Estimating with adding decimalsGet 5 of 7 questions to level up!
- Add decimals visuallyGet 5 of 7 questions to level up!
- Adding decimals < 1 (tenths)Get 3 of 4 questions to level up!
- Adding decimals and whole numbers (tenths)Get 3 of 4 questions to level up!
- Adding decimals (tenths)Get 3 of 4 questions to level up!
- Adding decimals < 1 (hundredths)Get 3 of 4 questions to level up!
- Adding decimals and whole numbers (hundredths)Get 3 of 4 questions to level up!
- Adding decimals (hundredths)Get 3 of 4 questions to level up!
- Estimating with subtracting decimalsGet 5 of 7 questions to level up!
- Subtract decimals visuallyGet 5 of 7 questions to level up!
- Subtract decimals < 1 (tenths)Get 3 of 4 questions to level up!
- Subtracting decimals (tenths)Get 3 of 4 questions to level up!
- Subtracting decimals and whole numbers (tenths)Get 3 of 4 questions to level up!
- Subtract decimals < 1 (hundredths)Get 3 of 4 questions to level up!
- Subtract decimals (hundredths)Get 3 of 4 questions to level up!
- Subtract decimals and whole numbers (hundredths)Get 3 of 4 questions to level up!

### Learn

### Practice

- Estimating with multiplying decimals and whole numbersGet 3 of 4 questions to level up!
- Multiply whole numbers by 0.1 and 0.01Get 3 of 4 questions to level up!
- Multiply decimals and whole numbers visuallyGet 5 of 7 questions to level up!
- Multiply whole numbers and decimalsGet 3 of 4 questions to level up!
- Estimating with multiplying decimalsGet 3 of 4 questions to level up!
- Represent decimal multiplication with grids and area modelsGet 3 of 4 questions to level up!
- Understand multiplying decimalsGet 3 of 4 questions to level up!
- Multiply decimals tenthsGet 5 of 7 questions to level up!
- Multiply decimals (up to 4-digit factors)Get 3 of 4 questions to level up!

### Learn

### Practice

- Divide decimals by whole numbers visuallyGet 3 of 4 questions to level up!
- Divide whole numbers by decimals visuallyGet 3 of 4 questions to level up!
- Divide whole numbers to get a decimal (1-digit divisors)Get 3 of 4 questions to level up!
- Divide decimals by whole numbersGet 3 of 4 questions to level up!
- Divide whole numbers by decimalsGet 3 of 4 questions to level up!
- Multiply and divide decimals by 10Get 3 of 4 questions to level up!