Interactive
CK-12 Foundation

Differences of Fractions with Different Denominators

For Students 6th - 8th Standards
Subtracting fractions with unlike denominators is the focus of an interactive designed to boost mathematicians' problem-solving skills. Five questions challenge participants to answer multiple-choice and true or false questions with help...
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...
Lesson Plan
Curated OER

Investigating Fraction Circles

For Teachers 3rd - 5th
Add and subtract fractions with common denominators! In this fractions instructional activity, upper graders review what they already know about fractions, use manipulatives to compare fractions, and add and subtract fractions.
Lesson Plan
Curated OER

Addition and Subtraction of Fractions

For Teachers 3rd - 5th
Learners demonstrate how to solve addition and subtraction of fractions. In this fractions lesson, students use folded paper to shade in fractional parts and identify the sum of the parts shaded.
Worksheet
Math Centre

Fractions: Adding and Subtracting

For Students 4th - 7th Standards
Young mathematicians piece together the puzzle of fractions. Starting with the addition and subtraction of fractions with like denominators, this series of example problems and skills practice exercises transitions students...
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 2

For Students 2nd Standards
Test scholars mathematic skills with an assessment addressing addition, subtraction, multiplication, place value, measurement, geometric shapes, expanded notation; and their ability to compare numbers, write number...
App
Oddrobo Software

King of Math Junior

For Students K - 6th Standards
Do your students have what it takes to be the king of math? Find out with this fun skills practice game that covers a wide range of topics from counting and basic operations to measurement and fractions.
Lesson Plan
Curated OER

Crop Circles

For Teachers 5th - 8th
Students calculate the area and circumference of a circle. In this geometry activity, students solve word problems with circles and create formulas to calculate the area. They find the rate and complex area of a circle.
Activity
Curated OER

Math Games for Skills and Concepts

For Teachers 2nd - 5th
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
Lesson Plan
Curated OER

Initial Fraction Ideas Lesson 21: Overview

For Teachers 3rd - 4th
Students become familiar with the process of subtracting fractions.  In this subtracting fractions lesson plan, students complete examples and then write a story problem. Students continue to practice while sharing their problems.
Lesson Plan
University of Minnesota

Fraction Operations and Initial Decimal Ideas

For Teachers 4th - 6th Standards
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 4

For Students 4th Standards
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
Assessment
Bridges In Mathematics

Grade 2 Comprehensive Growth Assessment

For Teachers 2nd Standards
Need to know if your students comprehend all the Common Core standards covered in second grade? This growth assessment will let you know.  Find out if your second graders can add/subtract, tell the time, read a bar graph, know their...
Lesson Plan
Curated OER

Secants, Tangents and Arcs

For Teachers 9th - 12th Standards
High schoolers identify chords and angles. In this geometry lesson, students calculate the length of the chords inside and outside of-the circle. They differentiate between tangent and secant lines.
Lesson Plan
Curated OER

Circumference of a Pumpkin

For Teachers 4th
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference instructional activity, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference...
Lesson Plan
Curated OER

How to Subtract to 10

For Teachers K - 3rd
Students subtract to 10 through the use of manipulatives. They will use craft sicks and the fact family on their practice pages. They examine how subtracting one always uses the larger number first.
Lesson Plan
Curated OER

Numbers and Letters

For Teachers K
Students engage in a physical activity that helps them to distinguish the difference between numbers and letters.
Lesson Plan
Curated OER

Handling Data: Comparing Distributions

For Teachers 6th - 8th
Learners gather information by analyzing graphs, diagrams and pie charts. In this graphs and diagrams instructional activity, students complete addition and subtraction problems. Learners discuss a pie chart. Students use information to...
eBook
CK-12 Foundation

CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Lesson Plan
1
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Curated OER

Exploring Equivalent Fractions

For Teachers 3rd - 5th Standards
An extensive instructional activity explores equivalent fractions and is intended for three 60-minute periods. Young mathematicians compare and order fractions with like and unlike denominators. Included are worksheets, assessments, and...
Worksheet
Curated OER

Math in English Skills III Exercise Book: Understanding Fractions

For Students 1st - 6th
Fractions can be tricky, and there is no better way to tackle tricky topics than with a visual representation. Intended for learners in grades two and three, this set of printable worksheets provides a variety of fractions represented in...
Lesson Plan
West Contra Costa Unified School District

Conics Introduction and Parabolas

For Teachers 10th - 12th Standards
Where did conic sections get their name? The equation and graph of a parabola are developed from the definition of the conic section. Teacher examples on graphing the equation and writing an equation from the graph round out the plan.
App
Todd Bowden

Number Line

For Students 4th - 8th Standards
Arrange these in order on a number line: 95% 1/3 .700 3/5 5/6 50% .200 Was that too easy? Don't worry! This app gradually gets more difficult.
Lesson Plan
Fairbanks North Star Borough School District

Eric Carle Mural

For Students K - 2nd Standards
Inspire first grade artists to learn about abstract and realistic art while reading Eric Carle's Where are you Going? To See My Friend. Young artists design and make a mural collage by tearing shapes of paper while comparing English and...