Curated OER
Grade 2: Texas Problem Solving
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
Pennsylvania Department of Education
What Balances?
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances activity, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
Curated OER
Vampires: Fact or Fiction?
Middle schoolers predict how many vampires are in the world, based on the legend that, once bitten, each victim becomes a vampire. Extrapolating how many vampires would populate the earth in 30+ weeks, students then compare the total...
Curated OER
Christmas Shopping on the Internet
Students utilize the Internet as a research tool as they "shop" on the Internet for a list of Christmas gifts. In groups, they compare prices, shop for the best price and make sure to spend no more than $300.
Curated OER
Circles and Clocks, Shapes and Time
Students work in groups to research clocks and practice telling time. In this telling time lesson plan, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a...
Curated OER
Decimals: Collaborative Lesson
Learners explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Learners collaborate with...
Curated OER
Graphs and Functions
Pupils are introduced to plotting functions on the Cartesian coordinate plane seen several categories of functions, including lines and parabolas
Curated OER
Plotting Wind Speed and Altitude
Young scholars construct, read and interpret tables, charts and graphs. They draw inferences and develop convincing arguments that are based on data analysis. They create a graph displaying altitude versus wind speed.
Helping with Math
Multiplication: 3-digit x 1-digit
When youngsters are just beginning to multiply multi-digit numbers, here is a nice second step. After they master multiplying two-digits by one-digit without regrouping, they can move on to three- by one-digit problems. Here are 30 of...
Helping with Math
Fractions: Subtracting Mixed Numbers (Same Denominator)
This straightforward worksheet simply provides practice subtracting mixed numbers. There are 18 problems to solve, all of which deal with common denominators. Not exciting, but serves its purpose.
Curated OER
Two-Step Equations
Students explore the concept of solving two-step equations. In this solving two-step equations lesson, students watch a short video about solving equations. Students view a PowerPoint presentation about solving two-step equations....
Pennsylvania Department of Education
Using Expressions and Equations
Sixth graders analyze expressions and equations. In this algebra lesson, 6th graders write algebraic sentences and solve for an unknown in a one-step equation. This lesson uses the formulas for the perimeter of a square and rectangle as...
Curated OER
Properties of Fractals
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
Curated OER
Statistics and Shopping
Students examine statistics and data analysis concepts from the practical questions that arise in everyday life.
Curated OER
"Is There Room on the Bus?" by Helen Piers
Middle schoolers express answers as fractions, decimals, and percents.
Curated OER
Chessboard Series
High schoolers work together on a word problem. They write a written report of the answer. They participate in a chessgame in which the answers are used.
Curated OER
Properties of Fractals
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
Curated OER
Irregular Fractals
Pupils study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.
Curated OER
The Mandelbrot Set
Students explore the Mandelbrot Set. They are introduced to the concept of a complex number and function in order to motivate the discussion of Julia and Mandelbrot sets. Students investigate fractals and how they are built.
Curated OER
Inventors Timelines
Students create a class timeline using the patent year for their selected inventor or invention. Using a piece of yarn, they physically create a timeline, and create and answer math word problems using the years from the timeline.
Pennsylvania Department of Education
Alike and Different
Learners compare and contrast objects and are introduced to a Venn Diagram. In this alike and different lesson, students make observations regarding properties of objects. Learners classify object and build ideas about variables....
Curated OER
What Do I Really Have to Gain?
Second graders further develop simple addition facts and their ability to record the facts.
Curated OER
Array to Go!
Second graders are introduced to arrays as a means for multiplication readiness. Once students are comfortable with naming the array by counting the columns and rows, they integrate skip counting.
Curated OER
Comparing Notes: a Mathematical Exploration of the Piano
Young scholars examine the history of equal temperament, the modern standard of tuning a piano. Proportion calculations of octaves and perfect fifths are utilized to calculate the frequency of each note in a major scale.