# Righteous Rounding: Rounding Decimals

• Math
• 55 minutes
• Standards: 5.NBT.A.4
• no ratings yet
August 5, 2015

Your students will be rounding decimals like pros after this fun lesson that teaches how to round numbers with decimals to a given place.

### Learning Objectives

Students will round decimals up to a given place value.

## Lesson

### Introduction (5 minutes)

• Before the lesson starts, have 10 numbers written on the board with a decimal place value of up to the thousandths place on 4 or 5 of the numbers.
• Tell students that they will be learning how to round decimals up to the nearest hundredth place value.
• Play Rounding Rap to review how to round numbers.

### Explicit Instruction/Teacher Modeling (15 minutes)

• Display the How to Round Decimals attachment for the class to see.
• Hand out a copy of How to Round Decimals to each student.
• Read aloud the first page of the attachment to the class as they follow along.
• Model how to round the numbers and decimals on the second page of the attachment as the students follow along and write as you model.

### Guided Practice/Interactive Modeling (15 minutes)

• Refer the students' attention to the 10 numbers you have previously written on the board.
• Ask for students to volunteer to come to the board and round each number to the place value you give them. Give a variety of place values to round to.
• In an easily accessible area in the room, place several copies of each of the Barber Shop Round Off #1, #3 and #5 worksheets.
• Arrange the students into pairs and have one of the pair pick up 2 different Barber Shop Round Off worksheets for the pair to work on together.
• Remind the pairs to write both of their names on each worksheet so they both get credit.

### Independent Working Time (5 minutes)

• For independent work time, instruct the students to pick up the Barber Shop Round Off worksheet they did not complete as a pair to work on independently.

## Extend

### Differentiation

• Enrichment: Have advanced students complete the Barber Shop Round Off #2 and #4 during independent work time.
• Support: Pair students who need support with a student who understands the concept during the guided practice.

## Review

### Assessment

• Use the graded independent work time worksheet as an informal assessment.

### Review and Closing (15 minutes)

• As a fun review, have the students play The Rounding Race game. You can have pairs of students help create the game or have the game prepared ahead of time.