Curated OER
Number and Algebra: Again and Again
Students use a given spreadsheet to investigate an iterative process by changing the variables. They design their own spreadsheet to investigate the iterative process.
Curated OER
Stars and Stripes
Students design a United States flag using reasoning. They describe their design to make it easy for it to be duplicated. They share their designs with the class.
Curated OER
Goobers. Goobers? Goobers!
Students begin the lesson by noting the many ways in which to use peanuts. In groups, they use the internet to research the work of George Washington Carver. They discover the allergies and nutritional information of the peanut and...
Curated OER
Bargain Town, USA
Third graders discuss discounts and walk around classroom labeled with lots of discounted merchandise. They complete a worksheet converting original prices to new bargain prices.
Curated OER
Fuel Saving
Students explore the problem of percentages. Students find a given fraction or percentage of a quantity. Students devise and use problem solving strategies on problems explored.
Curated OER
Code Breakers
Students collect data and make a frequency table, change ratios into percents, and analyze data to make predictions.
Curated OER
Capacity Lotto
In this mathematical learning exercise, learners convert fifteen metric units of capacity and multiply and divide whole numbers by 10, 100 and 1000.
Curated OER
Probability or Ability?
Students toss candy and coins using their non-dominant hand while their partners records the results on a probability charts.
Curated OER
Sea Ice: Unscrambling the Egg Code
Students determine sea ice thickness, concentration, and floe size by reading egg codes. In this sea ice conditions lesson, students color code a map based on prescribed criteria and use the maps to identify changes in sea ice...
Curated OER
Schoolyard Bird Project
Students observe and count bird sightings around their schoolyard throughout the school year.
Curated OER
Piece of the Sky: Introduction for Making S'COOL Observations
Young scholars observe and discuss cloud cover. They identify percent of cloud cover, calculate cloud cover by fraction and convert to a percent, and compare their models with the current real sky cloud cover.
Curated OER
Simple Past-Positive Sentences #2
In this simple past tense worksheet, students use words and phrases given to form positive sentences in the given tense. Answers may be submitted online for review. ESL appropriate but not exclusive.
Curated OER
Money and Percentage
Fifth graders examine use of percentages in real world situations. They complete worksheet about using percentages after reviewing the concept. They look through newspapers to find examples of percentages used over the course of three...
Curated OER
Money Circulation: A Story of Trade and Commerce
Students are introduced to the meaning, symbolism, and value of the quarter. They determine the percentage of total monetary value held in quarters and graph the results. Students infer about the U.S. Mint's distrubution of coins. They...
Curated OER
Pi Day (March 14)
Fourth graders determine the value of ? by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..
Curated OER
Build a Snowplow
Students design and build a snowplow using LEGO materials. They compete in an Engineer's Challenge to clear a path through Styrofoam peanuts.
Homeschool Math
Homeschool Math: Equivalent Fractions
Lesson teaches the concept of equivalent fractions. Accompanying video shows how to get an equivalent fraction by splitting the existing pieces further into a certain number of new pieces.
Khan Academy
Khan Academy: Equivalent Fractions on the Number Line
Graph and identify equivalent fractions on a number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.3.a Understand two fractions as...
Khan Academy
Khan Academy: Equivalent Fractions (Fraction Models)
Practice finding equivalent fractions. These problems show you pictures of fractions to help you out. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Khan Academy
Khan Academy: Equivalent Fractions
Practice making equivalent fractions by multiplying the numerator and denominator by the same number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Cool Math
Coolmath: Coolmath4kids: Equivalent Fractions, Part 1
Explains what equivalent fractions are using visual models and includes sample problems to try.
Khan Academy
Khan Academy: Equivalent Fractions (With Fraction Models)
In this exercise, students practice identifying equivalent fractions (with fraction models). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Cool Math
Coolmath: Coolmath4kids: Equivalent Fractions, Part 2
Short tutorial explaining how to identify equivalent fractions and how to find additional ones. Includes sample problems to try.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Creating Equivalent Fractions [Pdf]
Use fraction circles or squares to create equivalent fractions.