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Organizer
Curated OER

Fraction Circles

For Students 1st - 2nd
A worksheet with four fraction circles which could be used for a plethora of activities. One circle represents a whole, the others are halves, thirds, and fourths. The possibilities are as many as you can think of.
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Lesson Plan
Rational Number Project

Rational Number Project: Initial Fraction Ideas

For Teachers 3rd - 6th Standards
Deepen the fractional number sense of young learners with this introductory lesson on equivalent fractions. After completing a short warm-up activity, children go on to work in pairs using fraction circles to complete a table of...
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Lesson Plan
Rational Number Project

Initial Fraction Ideas Lesson 9 Overview

For Teachers 3rd - 6th Standards
Visual models support young mathematicians with exploring equivalent fractions. Starting with a quick warm-up problem, children go on to work through a series of guiding practice problems before working with a partner identifying and...
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Organizer
Curated OER

Fraction Circles

For Students 3rd - 6th
In this fraction circles activity, students examine 4 fractions circles separated into pie-shaped fraction tenths. The unlabeled charts can be used in a variety of classroom activities.
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Lesson Plan
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Illustrative Mathematics

Representing Half of a Circle

For Teachers 2nd - 4th Standards
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, students are asked to determine whether or not one half of each circle is shaded. To support...
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Lesson Plan
Illustrative Mathematics

Seven Circles III

For Teachers 9th - 11th Standards
A basic set-up leads to a surprisingly complex analysis in this variation on the question of surrounding a central circle with a ring of touching circles. Useful for putting trigonometric functions in a physical context, as well as...
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Lesson Plan
Curated OER

Shapes Activities and Lessons

For Teachers Pre-K - K
A fabulous lesson on identifying circles, triangles, squares, and rectangles awaits your students. They use large motor skills hopping from shape to shape, use visual and kinesthetic skills passing a ball of yarn between three people to...
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Lesson Plan
EngageNY

Secant Lines; Secant Lines That Meet Inside a Circle

For Teachers 9th - 12th Standards
Young mathematicians identify different cases of intersecting secant lines. They then investigate the case where secant lines meet inside a circle.
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Lesson Plan
Rational Number Project

Initial Fraction Ideas Lesson 22: Overview

For Teachers 3rd - 6th Standards
Have young mathematicians subtracting fractions in no time with this manipulative-based math lesson. Using their sets of fraction circles, students explore a number of word problems involving the subtraction of fractions before working...
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Lesson Plan
Curated OER

Compare Fractions Using Fraction Circles

For Teachers 4th
Fourth graders practice ordering fractions using models and drawings.  In this math model lesson plan, 4th graders utilize colored blocks and drawings to show an equal representation of given fractions.  Students compare and contrast the...
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Lesson Plan
Curated OER

Initial Fraction Ideas Lesson 10: Overview

For Teachers 3rd - 4th
Third graders use strips of paper to find equivalent fractions. They will fold paper into thirds and shade 2/3 of the paper. Then fold the same paper in six parts and predict how many parts will be shaded. They will repeat again folding...
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Lesson Plan
Curated OER

Fraction Circles

For Teachers 4th
Fourth graders receive a fraction circle and show how each different part makes a whole. Students compare the different fractions that make up a whole. Students choose 2 fractions which are inside a bucket and they compare them both...
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Worksheet
Alberta Learning

Proper Fractions: Activity Sheet

For Students 2nd - 4th Standards
Practice identifying fractions with a worksheet that asks scholars to explore drawings and pinpoint parts of a whole. Class members asses figures and objects to identify the numerator, denominator, and write them in fraction form. 
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Lesson Plan
EngageNY

Unknown Angle Problems with Inscribed Angles in Circles

For Teachers 9th - 10th Standards
We know theorems about circles—now what? Class members prove a theorem, with half the class taking the case where a point is inside the circle and half the class taking the case where a point is outside the circle. The lesson then...
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Activity
MENSA Education & Research Foundation

Pi Day Fun!

For Teachers 6th - 8th Standards
In this multi-faceted introduction to pi, participants perform a bevy of pi-related activities. Ranging from measuring household items to singing pi songs and reading pi stories, this fun and non-intimidating resource serves to bring up...
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Lesson Plan
Curated OER

Initial Fraction Ideas Lesson 16: Overview

For Teachers 3rd
Kids will compare creating fractions from pieces of paper to chips. They begin with a fractional part and work back to a whole. Then order fractions from smallest to largest. They also complete a worksheet to find the missing pieces to...
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Lesson Plan
Curated OER

"Pizza"rama With Fractions!!

For Teachers 3rd
Young mathematicians explore number values by utilizing food as a visual aide. They discuss the differences between halves, fourths, and eighths and how they are visually represented by a pizza. Then create their own pizza in class and...
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Lesson Plan
Dick Blick Art Materials

Start with a Circle...

For Students K - 12th
The Golden Ratio. The Divine Proportion. Yup. It's math and art blended into one colorful activity. Young artists combine colored tissue paper circles and parts of circles to create geometric patterns. As a bonus, kids get to figure out...
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Lesson Plan
Curated OER

Linear Inequalities in One and Two Variables: Rays and Half Planes

For Teachers 9th - 12th Standards
Define rays and half planes, including the concepts of boundary lines and prerequisite knowledge of coordinate planes. Given linear inequalities in one and two variables, your class will compare the differences. They will also graph...
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Activity
Pie Council

National π Day

For Teachers 4th - 8th Standards
Learners can enjoy pi with pie! A collection of short activities celebrates pi day with a word search, a maze, and real-world problemsn. Using pi in formulas for area, circumference, and volume as well as exploring simple fractions is...
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Activity
TRAIN Educational & Community Services

Multicultural Activities

For Teachers 4th - 8th Standards
From catching stars developed by African pygmy tribes to chop stix pick-up or the Hanukkah dreidel, use this list of diverse multicultural activities to help your learners draw connections to unique cultures of the world.
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Lesson Plan
Curated OER

Initial Fraction Ideas Lesson 6: Overview

For Teachers 3rd - 5th
Pupils use fraction circles to observe fractions in smaller parts and to complete charting and word problem activities. In this fraction lesson plan, students complete chart problems, word problems, and fraction comparing problems using...
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Activity
Illustrative Mathematics

Coins in a Circular Pattern

For Teachers 9th - 11th Standards
What starts as a basic question of division and remainders quickly turns abstract in this question of related ratios and radii. The class works to surround a central coin with coins of the same and different values, then develops a...
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Lesson Plan
Lesson This!

Fraction Fruit

For Teachers 3rd - 5th Standards
Discover the concept of fractions by using fruit as a model. Scholars discover fractions are part of a whole, similar to the pieces of fruit which are placed in front of them. They then cut up several different types of fruit and discuss...