K20 LEARN
Building To 100: Building And Decomposing Numbers
Following a catchy video about decomposing numbers, young mathematicians build and write numbers using dice. Class members work to create an anchor chart that displays six ways to make numbers. Beans get scooped and estimated, then...
Yummy Math
US Holiday Candy Sales
Candy is a big business! Calculate the amount of money consumers spent on major holidays—Easter, Halloween, Christmas, Hanukkah, and Valentine's Day—based on the total amount of candy sales from 2011 and the percentage of each holiday's...
American Heart Association
Pi Day
Did you know a mathematician's favorite dessert is a fruit "pi"? By participating in a fruit cutting activity, young mathematicians realize one constant—the ratio of a circle's circumference to its diameter is always pi. It is a perfect...
Curated OER
Plate Tectonics: Second Grade Lesson Plans and Activities
Second graders explore convection currents and how they relate to the movement of tectonic plates. Then, young geologists reconstruct Pangaea with a worksheet and pinpoint plate boundaries on a map...
Curated OER
Hazards: Fifth Grade Lesson Plans and Activities
After comparing earthquake and volcanic hazards to one another, fifth graders take a closer look at damage associated with a volcanic eruption. They then create a simulation of mudslides due to a volcanic eruption. Using different...
West Contra Costa Unified School District
Graphing Linear Inequalities Sort
Learners first determine the slope-intercept and standard forms of inequalities given graphs, and then determine key features of the graphs.
National Center for Families Learning
The Summer Fun Summer Learning Drama and Plays Unit
The play's the thing that puts the play in a summer learning drama program designed to combat summer slide and encourage family literacy. Participants learn about drama as an art form, engage in dramatic presentations, write scripts, and...
Curated OER
Math Sequencing Activities
Recognizing patterns and sequences in groups of numbers is an essential skill for all students to learn.
Curated OER
Word Clue and All About Me Problem Solving
Fifth graders practice solving word problems using highlighted strategies. In this word problem lesson, 5th graders brainstorm and use words as clues that indicate the math operations that will be used to solve problems. They use...
Curated OER
Using Credit: Not for a Billion Gazillion Dollars
Fifth graders explore the concept of credit. For this consumer education lesson, the teacher uses the book Not for a Billion Gazillion Dollars to lead the class in a discussion about credit, debit, and income. Students then analyze their...
Curated OER
Integers
In this integers worksheet, 8th graders solve 10 various types of problems to include rewriting each statement using the convention for Positive integers and then calculate their answer. They also rewrite each statements without the...
Curated OER
Melodies and Math: Creating Music with Non-Traditional Instruments
Review the 4/4 and 2/4 time signatures in music with a helpful music theory lesson plan. Young musicians experiment with electronic sounds and create their own musical performance using instruments made from materials found in the...
Curated OER
Telling Time in Different Time Zone
Fourth graders create clocks and complete small group activities to represent the six different times zones in the US. Using small paper plate clocks, 4th graders visually demonstrate the differences in these time zones.
Curated OER
Investigating Patterns to Develop Logarithm Rules
In this logarithmic worksheet, students make conjectures regarding the rules for condensing and expanding logarithms by investigating patterns. This is designed to be done as a group activity.
Curated OER
Discovering Pi/Welcome to Pi Day
Learners explore pi. In this circle measurement lesson, students define and identify radius, diameter, circumference, and perimeter. Learners work in groups to measure several plastic lids and record their findings. Students compare the...
Curated OER
Introducing Multiplication
Learners will look at repeating addition examples and view how they can be written as multiplication. They use manipulatives to complete a repeating addition instructional activity and show it on graph paper. They also chart what they...
Curated OER
Selling Fuel Oil at a Loss
Learners are asked to advise a fuel oil dealer on a possible investment. They must use two different rates to set up an equation and solve to determine how much oil he should sell now to break even after selling the remainder the next...
Curated OER
Halves, Thirds, and Sixths
An excellent activity that effectively pulls together the concepts of area, fractions, and equivalent fractions! Using 3x2 rectangular arrays, 3rd graders are introduced to the concept of area in terms of square units. Building on this...
Illustrative Mathematics
What is a Trapezoid? (Part 1)
Challenge your class to construct a definition for trapezoids. Looking at four examples and four non-examples, learners individually create definitions and use them to classify an unknown shape. Allow for small group and whole-class...
Curated OER
Fireworks: A Whole Group Activity for November Fifth, Diwali, New Year's Eve, or the Chinese New Year
In this holiday elapsed time worksheet, students determine a method to calculate how much time it would take to set off a box of 28 fireworks if one must allow six minutes for each fireworks. They determine what time they would need to...
Curated OER
Math Jeopardy
Students, in teams, play Math Jeopardy against each other as a way to reinforce their skills.
Curated OER
Math on the Mound
Students explore mathematical applications of the current intra-city World Series. After learning how one school district is incorporating the World Series in its classrooms, students consider possible applications of the Series in their...
Curated OER
Division Grouping
In this division grouping worksheet, students draw circles around groups of items, as instructed, for a total of 8 sets. A reference web site is given for additional activities.
Curated OER
Beginning Division: Divide Into Groups
In this beginning division worksheet, students draw circles around groups shown, dividing sets of objects. A reference web site is given for additional activities.