Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
California Education Partners
Photos
Why do all sizes of pictures not show the same thing? Class members analyze aspect ratios of various sizes of photos. They determine which sizes have equivalent ratios and figure out why some pictures need to be cropped to fit...
Project Maths
Introduction to e
First there was pi and now there's e. A discovery-based lesson helps learners find a pattern in compound interest as the compounding period changes. Their investigation results in the discovery of the number e. The lesson is the first in...
Illustrative Mathematics
Find 1/4 Starting from 1, Assessment Version
Where does a quarter go? Given a number line, the short task asks individuals to place the number one-fourth correctly upon it. The writers developed the task to demonstrate ways to assess critical skills from the CCSS.
Curated OER
Math Mania
Fifth graders review adding, subtracting, multiplication and division of fractions and decimals through a variety of activities and exercises.
Curated OER
Mars Fraction Unit
Learners gain practice in the use of fractions, changing fractions, using equivalent fractions, and paying attention to detail. They divide words into fractional parts. This is a fun way for kids to work with fractions.
Curated OER
Hands On Math Lessons with Technology
Students explore a variety of math concepts. In this integrating technology lesson, students visit online webtools such as Max's Math Adventure, I Know That Math, Hands on Banking, and more. A description of each website is provided.
Curated OER
Getting The Point
Students complete a unit of lessons on the relationships between decimals, whole numbers, and fractions. They use paper strips to solve fraction problems, view and solve examples, and use calculators to convert fractions into decimal...
Curated OER
Initial Fraction Ideas Lesson 17: Overview
Pupils use chips to represent units to show examples and non examples of fractions. In this fraction lesson plan, students show what chips can be used for different fraction scenarios.
Curated OER
Understanding Rational Numbers and Proportions
Learners explore parts of a whole. In this fraction lesson, students determine what makes a fair share. Working with manipulatives, learners solve mathematical problems containing fractions.
Curated OER
A Fraction of the Cost
Students use various coin denominations to explore the concept of fractions. They demonstrate an understanding of the fractions 1/2 ($.50), 1/4 ($.25), 10ths ($.10) and 20ths ($.05) by using fraction circle pieces to create whole units...
Curated OER
Fraction King Lesson Plan
Young scholars examine the concept of fractions. In this fractions king lesson, students review math vocabulary and discover the equivalent forms of fractions as decimals and percents.
Curated OER
Fraction Facts
Students explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that gives students...
Curated OER
Measuring to the Nearest Inch
Third graders use whole numbers and fractions to make connections between abstractions of the mathematical world and the real world. In this fractions and measurement lesson, 3rd graders identify, quantify groups , and measure distances....
Curated OER
Ratio Worksheets
In this ratios activity, students complete the ratios of quantities of money, time, and measurements in the lowest terms. Students complete 8 problems total on this activity.
Curated OER
Working with Cuisenaire Rods In Mathematics
Fourth graders learn the numerical value of each underlined letter of the standard Rod Code and develop systematic usage for building new units.
Curated OER
Initial Fraction Ideas Lesson 12: Overview
Students name and draw fractions by using their fractions circles. For this rational numbers and fraction lesson plan, students name mixed numbers and improper fractions using their fraction circles.
Curated OER
Metric Cookies
Sixth graders convert English to Metric units. In this converting English to Metric units lesson, 6th graders convert a cookie recipe in English units to Metric units. Students write a letter to a pen pal in England where...
Curated OER
Place Value: A Place for Apples
Second graders explore number values by completing math worksheets. In this place value lesson, 2nd graders identify the use of decimals in numbers and read a book about math called Apple Pigs. Students create number charts based on the...
Curated OER
Fraction and Decimal Review Podcast
Students create podcasts of information for reviewing fractions and decimals in this math-based creative project. The lesson uses GarageBand, iTunes, iTalk, and Keynote to accomplish tasks.
Curated OER
Johnny Appleseed
Students meet and delve into the life of the American Folk Hero, Johnny Appleseed through the activities of the eight lessons of this unit. Math and language activities offering whole and small group encounters.
Curated OER
Fractional Parts of a Whole
In this fractions activity, students solve 4 multi-step problems in which fractional parts of a whole are shaded. Students then show fractions on a number line and solve a problem with fractions and money. This was intended as online...
Curated OER
Fraction Conversions
Students convert between fractions, decimals, and percents using money. In this conversions lesson plan, students play with a mock store in class.
Curated OER
What's a Per-"cent"?
Students recognize the mathematical connections between fractions and percents. They develop and study graphs to make connections between their data and what it represents. They write about the connections they have discovered.