Lesson Plan:
Righteous Rounding: Rounding Decimals
August 5, 2015
August 5, 2015
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.
Guided Lessons are a sequence of interactive digital games, worksheets, and other activities
that guide learners through different concepts and skills.
They keep track of your progress and help you study smarter, step by step.
Guided Lessons are digital games and exercises that keep track of your progress and help you study smarter, step by step.
In this unit, students will build on their understanding of decimals by working with numbers that include decimals in tenths, hundredths and thousandths place. Adding, subtracting and rounding with decimals will enable them to apply the strategies in new ways and enhance their understanding of the base-ten number system.
In this unit, students will build on their understanding of decimals by working with numbers that include decimals in tenths, hundredths and thousandths place.
This lesson includes printable activities:
Download All (5)
Exercise: Addition with Decimal Numbers to the Tenths Place
Exercise: Addition with Decimal Numbers to the Hundredths Place
Exercise: Addition with Decimal Numbers to the Thousandths Place
Exercise: Subtraction with Decimal Numbers to the Tenths Place
Exercise: Subtraction with Decimal Numbers to the Hundredths Place
Exercise: Subtraction with Decimal Numbers to the Thousandths Place
Exercise: Rounding Decimal Numbers to the Nearest Tenth
Exercise: Rounding Decimal Numbers to the Nearest Hundredth
Exercise: Rounding Decimal Numbers to the Nearest Thousandth
