Curated OER
Geometry: Lesson 8
Eighth graders engage in a instructional activity that is concerned with the finding of angles that are found in different two dimensional figures. They compare and contrast exterior and interior angles while also determining the unknown...
Curated OER
Fractions, Decimals and Percents
Students investigate the differences when using decimals, fractions, and percents. They focus on the process of using them in real problems and how to convert them from one form to another.
Curated OER
Magic Square
In this magic square activity, students put the number 1 through 9 into the magic square so that each row, column, and diagonal add up to the same number. Students complete 1 square.
Curated OER
Solving Systems Using Matrices
Explore the concept of systems of equations in two variables and use matrices to solve them. Young mathematicians enter coefficients and constants into a matrix and then solve using row reduction. Instructions on how to use the shortcut...
Curated OER
Yummy Gummy Subtraction
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
Curated OER
It Just Keeps Going and Going...
Students explore patterns, identify patterns, and complete a variety of patterns. They view and discuss an online video and identify the different patterns from the film, then using a hundreds grid create an original pattern using their...
Bowland
Alien Invasion
Win the war of the worlds! Scholars solve a variety of problems related to an alien invasion. They determine where spaceships have landed on a coordinate map, devise a plan to avoid the aliens, observe the aliens, and break a code to...
Curated OER
Buying Cars/Financing Cars Compound Interest
Provide a real world context in which exponential functions are used to determine a eal world phenomena such as compound interest and exponential growth. This instructional activity should be taught after students have mastered the laws...
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Smaller Than One
Students examine how to convert fractions into decimals and percents. They work with base ten blocks and a worksheet to color in parts of 100 and renaming the parts as decimals and fractions.
Curated OER
How Long Can You Go?
Eighth graders examine the usefulness of a line of best fit by collecting and graphing data, using a graphing calculator to determine the line of best fit, and making a variety of predictions. They watch a video, then design a...
Curated OER
Similarity: Instructional
In this similarity learning exercise, learners solve and complete 7 different problems that include determining various dimensions of mirrors shown. First, they find the length of the diagonal of the large mirror in the diagram. Then,...
DK Publishing
A Burning Matter
The process of fire requires oxygen, heat, and fuel. Take one of those away, and fire ceases to exist. That's the idea behind this instructional activity which portrays a candle burning inside an upside down jar. Pupils answer a couple...
Curated OER
Comparing Fractions with a Different Whole
What was Bryce's mistake? Through analysis of a student work example, learners develop their own ability to compare the fractions one fourth and one half. Central to this activity is the concept that, when comparing fractions, the whole...
Mathed Up!
Best Buys
Which scenario is the better deal? Class members examine nine scenarios to determine which choice offers a better deal. Pupils decide whether they need to find unit costs or total prices to compare the two options.
Teachers Development Group
Habits of Mind Interaction Posters
From generalizing and justifying to megacognition reflection and perseverance, keep the 16 Habits of Mind as part of an ongoing and developing conversation in your class by displaying these posters around your room throughout...
Curated OER
Unequal Groups vs. Equal Groups
Third graders create their own chenille stems to use during this and future lessons. As a class, they discuss the difference between equal and non-equal groups. In groups, they brainstorm a list of items that come in groups of two,...
Curated OER
A Pocketful of Change
Students study the meaning, symbolism, and value of U.S. coins,
especially the quarter. They conduct a survey of coins in students'
possession, graphing the results to show frequency distribution and drawing
inferences about the U.S....
Curated OER
Words for Algebra
Students rewrite word problems using symbols. In this algebra activity, students relate algebra to the real world. They identify the correct steps to take when solving word problems.
Curated OER
Unlocking Whole Numbers
Fifth graders investigate three kinds of remainders, use computers and counters division mats to explore equal groups. In pairs, 5th graders solve problems at the computer. Notepad is used by the students to explain symbols, grouping,...
Curated OER
Buying My First Car
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Curated OER
Variables and Expressions
In this variables and expressions worksheet, students solve and complete 20 different problems that include various types of expressions. First, they write a variable expression of each given algebraic expression. Then, students write an...
Curated OER
Using a Pictograph
In this problem solving instructional activity, 5th graders answer four questions using the pictograph provided. The instructional activity pertains to sports.
Curated OER
Variables and Open Sentences
Fourth graders examine the purpose of variables and identify the missing variable in open sentences. They observe the teacher solve a variety of problems, complete a worksheet as a class, and independently complete another worksheet. ...
Curated OER
Doorbell Division
Students explore the concept of division using the book "When the Doorbell Rang." They listen to the book, role-play the dividing of the cookies from the story, and create their own story problem to solve using the stamp program from...