Operations with Decimals and Percentages Unit Plan

Unit Plan

Operations with Decimals and Percentages Unit Plan

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11 x Lessons | Suitable for Grades: 5 - 6

This Mathematics unit covers a range of concepts relating to decimals and percentages; specifically calculations.

It consists of 11 lessons of approximately 60 minutes duration.

The sequence of lessons and suggested time frames should be regarded as a guide only; teachers should pace lessons in accordance with the individual learning needs of their class.

An assessment task for monitoring student understanding of the unit objectives is included and will require an additional lesson.

 Overview

Objectives

  • To review decimal place value and compare, order, and represent decimals.
  • To add and subtract decimals.
  • To multiply and divide decimals by powers of 10.
  • To multiply decimals by whole numbers.
  • To divide decimals by whole numbers.
  • To make connections between equivalent fractions, decimals, and percentages.
  • To calculate percentage discounts of 10%, 25%, and 50%.
  • To calculate sale price using percentage discounts of 10%, 25%, and 50%.
  • To apply knowledge of decimals and percentages to a real-world context.

Prior to beginning the unit, develop a decimal and percentages wall in the classroom. Display posters and word wall vocabulary that the students will engage with throughout the unit to stimulate their learning. For examples of such resources, browse the Fractions, Decimals, and Percentages category on the Teach Starter website.

There are many concepts to address within the topic of decimals and percentages. The lessons in this unit cover a range of these concepts, many of which have varying degrees of complexity. Teachers are encouraged to select lessons from the unit that best suit the learning needs of their students, or to adapt lessons accordingly.

Some of the resources which accompany this unit plan will need to be prepared prior to teaching. For this reason, it is advised that teachers browse through all lessons before starting the unit.

 Lessons

60 minutes
Lesson 1

Exploring Decimal Place Value

A 60-minute lesson in which students will review decimal place value and compare, order, and represent decimals.

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60 minutes
Lesson 2

Adding and Subtracting Decimals

A 60-minute lesson in which students will add and subtract decimals.

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60 minutes
Lesson 3

Multiplying and Dividing by Powers of 10

A 60-minute lesson in which students will multiply and divide decimals by powers of 10.

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60 minutes
Lesson 4

Multiplying Decimals by Whole Numbers

A 60-minute lesson in which students will multiply decimals by whole numbers.

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60 minutes
Lesson 5

Dividing Decimals by Whole Numbers

A 60-minute lesson in which students will divide decimals by whole numbers.

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60 minutes
Lesson 6

Fraction, Decimal, and Percentage Equivalence

A 60-minute lesson in which students will make connections between equivalent fractions, decimals, and percentages.

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60 minutes
Lesson 7

Calculating Discounts

A 60-minute lesson in which students will calculate percentage discounts of 10%, 25%, and 50%.

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60 minutes
Lesson 8

Calculating Sale Price

A 60-minute lesson in which students will calculate sale price using percentage discounts of 10%, 25%, and 50%.

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60 minutes
Lesson 9

Math Investigation - Prepare to Party (1)

A 60-minute lesson in which students will apply knowledge of decimals and percentages to a real-world context.

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60 minutes
Lesson 10

Math Investigation - Prepare to Party (2)

A 60-minute lesson in which students will apply knowledge of decimals and percentages to a real-world context.

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60 minutes
Lesson 11

Math Investigation - Prepare to Party (3)

A 60-minute lesson in which students will apply knowledge of decimals and percentages to a real-world context.

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60 minutes
Lesson 12 (Assessment)

Operations with Decimals and Percentages Assessment

An assessment task in which students will demonstrate an understanding of decimals and percentages.

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  Common Core Curriculum alignment


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