Interactive
CK-12 Foundation

Exponential Decay: Cool Sunglasses

For Students 10th - 12th Standards
Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They...
Worksheet
Maths Blog

Equivalent Fractions: Equal, Largest, or Smallest

For Students 3rd - 5th Standards
Elementary mathematicians begin by reading a one-page text that explains how to compare fractions. They solve two problems in which they must circle equal fractions in a set. They then solve four problems where a set of five fractions is...
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...
Activity
5280 Math

Step by Step

For Teachers 9th - 12th Standards
One step at a time! A seemingly linear relationship becomes an entirely new type of function. Young scholars build their understanding of step functions by completing a three-stage activity that incorporates multiple representations of...
Lesson Plan
EngageNY

Grade 5 Math Module 1, Topic E, Lesson 11

For Teachers 5th Standards
Let your understanding of multiplying decimals flourish and multiply. After briefly reviewing place value concepts and how to add and subtract decimals, scholars learn to multiply a decimal fraction (like 0.6) by a whole number. They use...
Lesson Plan
1
1
Illustrative Mathematics

Bank Shot

For Teachers 9th - 11th Standards
Young geometers become pool sharks in this analysis of the angles and lengths of a trick shot. By using angles of incidence and reflection to develop similar triangles, learners plan the exact placement of balls to make the shot....
Activity
Noyce Foundation

Part and Whole

For Students K - 7th Standards
Now you'll never have trouble cutting a cake evenly again. Here is a set of five problems all about partitioning shapes into a given number of pieces and identifying the fractional amount of each piece. As learners progress through the...
Interactive
CK-12 Foundation

Multiplication of Whole Numbers by Fractions: Multiplication of Fractions by Whole Numbers

For Students 6th - 8th Standards
An interactive challenges mathematicians to multiply fractions by whole numbers. A model provides a clear visual aid in preparing whole numbers to be multiplied. Six questions include multiple-choice, fill in the blank, short answer, and...
Lesson Plan
Curated OER

Fractions

For Teachers 2nd - 3rd
Young mathematicians use fraction names and symbols to describe fractional parts of whole objects or sets of objects. They construct concrete models of fractions, and compare fractional parts of whole objects in a problem situation using...
Lesson Plan
Curated OER

Multiplying and Dividing Fractions and Mixed Numbers

For Teachers 5th - 6th
Help math learners discover how to multiply fractions and mixed numbers. They will explore visual examples of the operations. They also practice solving problems that their instructor models.
Lesson Plan
Curated OER

Principles of Flight: Flying Paper Airplanes

For Teachers 4th - 5th
Students investigate ways to enhance an object's flying ability.  In this model construction lesson plan, students construct two paper airplanes, one of which is twice as big as the first.  Students compare and contrast the two...
Worksheet
Math Mammoth

Practice Equivalent Fractions

For Students 4th - 5th Standards
Fourth and fifth graders look at the pictures of nine circle fraction pieces and draw lines between the ones that show the same amount. They label each fraction circle. They split fraction pieces in the next 9 examples, and draw the new...
Worksheet
Math in English

Grade 5 Fractions Word Problems

For Students 4th - 6th Standards
Young mathematicians apply their fractions skills in the real world with this simple word problem instructional activity.
Lesson Plan
Curated OER

Clock Fractions

For Teachers 4th - 6th
Elementary schoolers generate and manipulate fractions. They review equivalent fractions and use an analog clock to create and add fractions. Pupils work in groups to complete two fraction worksheets.
Lesson Plan
Curated OER

How Does Your Population Grown?

For Teachers 8th - 11th
Do you know how the population has grown of your community? Can you predict the population over the next half century? Can we find an algebraic model that matches our data? These along with many more questions can be researched by...
Lesson Plan
Curated OER

Introducing the Concept: Percents

For Teachers 5th - 6th
Young scholars explore the math concept of percents. In this percents activity, students examine visual examples of the relationships among fractions, decimals, and percents. Young scholars also practice solving problems that their...
Worksheet
Curated OER

Fraction Worksheet

For Students 3rd - 5th
In this fractions worksheet, students complete fraction word problems dealing with numbers up to 12. Students complete 8 problems total.
Interactive
2
2
Scholastic

Study Jams! Fractions

For Students 3rd - 5th Standards
What can quesadillas teach your class about fractions? More than you might think. AJ and Zoe from the StudyJams! crew use this Mexican cuisine to explain how fractions are just equal parts of a whole, defining the key terms numerator and...
Lesson Plan
Curated OER

Radioactive Decay and Half-Life

For Teachers 9th - 12th
High schoolers describe how the mass of a radioactive isotope changes with time and the factors that affect the rate of radioactive decay. They write nuclear decay equations to represent natural transmutation. This activity is...
Lesson Plan
Curated OER

Tantalizing Tangrams: Fractional Relationships

For Teachers 5th - 6th
Students use tangrams to represent parts of a whole. In this fraction instructional activity, students use tangrams to determine fractional relationships between different pieces. Students use the AppleWorks drawing application to...
Interactive
Curated OER

Fraction Word Problems

For Students 5th - 8th
In this fractions worksheet, students complete fraction word problems containing 1 digit numbers. Students complete 4 problems total.
Lesson Plan
Curated OER

Modeling Oil and Gas Reservoirs

For Teachers 9th - 12th
Students investigate energy by researching how oil reservoirs work. In this fossil fuels lesson, students conduct an experiment using a half full bottle of water, corn oil and oxygen, recording their data as the elements are mixed...
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...
Lesson Plan
Curated OER

Equivalent Fraction Paper Strips

For Teachers 2nd - 4th Standards
Young learners compare the relative values of fractions by making physical representations. They fold and label strips of paper that are equal in length to represent "one whole" and the equal parts that fractions represent. Also, they...

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