Activity
Illustrative Mathematics

Origami Stars

For Teachers 4th - 6th Standards
This one problem concentrates on the important concept of dividing a whole number by a unit fraction. Here, young mathematicians use pictures they draw to help answer this problem. Insight into the connection between multiplication and...
Lesson Plan
02 x 02 Worksheets

Inverse Variation

For Teachers 8th - 10th Standards
Discover an inverse variation pattern. A simple lesson plan design allows learners to explore a nonlinear pattern. Scholars analyze a distance, speed, and time relationship through tables and graphs. Eventually, they write an equation to...
Lesson Plan
Curated OER

The Math of Renewable Energy

For Teachers 6th - 8th
Students research additional information about questions on their worksheet. In this energy activity, students develop visual aids of their proposed solution to the problem. They present their work in class.
Lesson Plan
Curated OER

Prime Time Math

For Teachers 7th
Seventh graders use educational software in order to practice lesson plan objectives. They define rate and ratio. Students solve distance problems given two variables. They also use a problem solving strategy that can be defended in its...
Lesson Plan
Curated OER

Sea Ice: Cracking the Egg Code

For Teachers 6th - 9th
Students study the egg code to learn about sea ice. In this sea ice lesson, students discuss and view a diagram to learn about the egg code when describing sea ice and its thickness. Students work in groups to play a game using the egg...
Lesson Plan
Curated OER

More Pizzas and Things

For Teachers 2nd - 4th
Learners are introduced to the problem by playing a guessing game of "I am a number, which is half of 6 and 6, what am I?" They explain their answers and see if anyone else had an alternate solution checking for reasonableness.
Lesson Plan
Curated OER

Working with Cuisenaire Rods In Mathematics

For Teachers 4th
Fourth graders learn the numerical value of each underlined letter of the standard Rod Code and develop systematic usage for building new units.
Lesson Plan
Curated OER

A Recipe For Success

For Teachers 6th
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
Lesson Plan
Curated OER

Exploring the Slopes of Parallel and Perpendicular Lines

For Teachers 8th - 10th
Learners calculate the slope of parallel and perpendicular lines.In this algebra lesson, students differentiate between parallel and perpendicular lines. They graph their lines using the slope of the equation.
Lesson Plan
Illustrative Mathematics

Voting for Two, Variation 2

For Teachers 5th - 7th Standards
John won the election, but by how much more? Your learners will calculate how many votes each candidate received in order to determine the difference. Use with other lessons provided in the series to practice different variations of this...
Lesson Plan
Curated OER

Proportion

For Teachers 9th - 11th
Students investigate proportion and ratio. In this geometry lesson, students set up the ratios of proportions correctly and solve for the unknown. They relate it to word problems.
Lesson Plan
Curated OER

Proportions

For Teachers 6th - 8th
Students perform mathematical operations to create proportional measurements, after listening to the David Schwartz book, If You Hopped Like a Frog.
Lesson Plan
Curated OER

Number and Algebra: Again and Again

For Teachers 5th - 9th
Students use a given spreadsheet to investigate an iterative process by changing the variables. They design their own spreadsheet to investigate the iterative process.
Lesson Plan
Curated OER

Stars and Stripes

For Teachers 6th - 8th
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.
Lesson Plan
Curated OER

Batting the Unknown

For Teachers 9th - 12th
Learners use batting averages to provide a measure of a player's past success. They use Algebra to calculate required performance to improve the average. Students compare baseball batting statistics early in the season and late in the...
Lesson Plan
Pennsylvania Department of Education

Extending Pattern Understandings

For Teachers Pre-K - 2nd
Students use shapes and manipulatives to demonstrate patterns. In this patterns lesson plan, students also break up patterns to identify a pattern unit.
Interactive
Curated OER

Simple Past-Positive Sentences #2

For Students 4th - 6th
In this simple past tense instructional activity, 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.
Lesson Plan
Curated OER

Pi Day (March 14)

For Teachers 4th
Fourth graders determine the value of ? by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..
Lesson Plan
Curated OER

Unit 2 Sun & Stars

For Teachers 6th - 7th
Students describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics, how...
Lesson Plan
Curated OER

Who's In The Fact Family?

For Teachers Pre-K - 2nd
Young scholars study related addition and subtraction facts. For this math lesson, students use related addition and subtraction to solve problems. Young scholars use manipulatives to explore fact families.
Lesson Plan
Curated OER

Bargain Town, USA

For Teachers 3rd
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.
Worksheet
Curated OER

Capacity Lotto

For Students 5th - 6th
In this mathematical instructional activity, students convert fifteen metric units of capacity and multiply and divide whole numbers by 10, 100 and 1000.
Lesson Plan
Better Lesson

Better Lesson: Finding Equivalent Fractions

For Teachers 6th
Using number lines and fraction strips helps students become familiar with benchmark fractions, equivalent fractions, and comparing fractions.
Unit Plan
Khan Academy

Khan Academy: Equivalent Fractions (Fraction Models)

For Students 3rd - 5th Standards
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....