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Lesson Plan
Curated OER

Arranging Chairs (Arrays)

For Teachers 3rd
The creation of arrays is the focus of this mathematics lesson. Pupils consider a situation for a theater stage performance: different amounts of people are coming to the show, and they must arrange the seats in rows of equal numbers. A...
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Lesson Plan
Curated OER

Everyone's Playing Basketball

For Teachers 3rd - 5th
To foster number sense and build problem solving skills, pupils will work through a complex word problem. They will be asked to analyze the data given, solve the problem, then share their thinking process with the class. This activity...
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Lesson Plan
Curated OER

Hershey Chocolate Fractions

For Teachers 1st - 6th
In order for students to acquire knowledge about math concepts, and in particular fractions, they need concrete ways to practice an abstract concept.¿¿¿ Using Hershey bars builds on prior knowledge as most students have probably...
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Lesson Plan
Curated OER

Using Averages

For Teachers 8th - 9th
In this math worksheet, students compute the range, mean, median and modal weight of candy bars from two machines. Students write a short essay about which machine is using too much chocolate and which is more reliable.
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Worksheet
Curated OER

Simple Area of a Rectangle

For Students 3rd - 4th
What is the area? Because there is only one problem here (and it is followed by a detailed explanation) use this as an all-class warm up. Cover up the bottom half until scholars have shared their own answers. They examine a rectangle...
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Lesson Plan
Curated OER

Bouncing off the Wall

For Teachers 3rd - 6th
Students watch a video clips before problem solving the use of angles in real world situations. They problem solve using spatial reasoning while connecting math to a sports activity that investigates the path of a bouncing ball.
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Worksheet
Curated OER

Halves and Fourths

For Students 2nd - 4th
In this fractions practice worksheet, learners sharpen their math skills as they use problem solving strategies to solve 6 problems regarding halves and fourths.
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Worksheet
Curated OER

Compare Numbers

For Students 2nd - 3rd
In this comparing pairs of one-digit numbers worksheet, students write the symbols for greater than, less than, and equal. Students solve 20 problems.
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Activity
Illustrative Mathematics

Archimedes and the King's Crown

For Teachers 9th - 12th Standards
Learners will shout "Eureka!" in this quick but deep activity replicating the famous bathtub experiment of Archimedes. Given the scenario of a king with a suspected fake crown, young investigators develop formulas using density to...
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Handout
Math Centre UK

Fractions—Basic Ideas

For Students 3rd - 5th Standards
What are fractions? Find out using a reference page and video that goes in depth on how to make fractions equivalent, write fractions in simplest form, convert improper fractions into mixed numbers, and vice versa. Following the detailed...
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Lesson Plan
Rational Number Project

Initial Fraction Ideas Lesson 18: Overview

For Teachers 3rd - 6th Standards
Develop young mathematicians' ability to compare fractions with investigation into the number 1/2. After brainstorming a list of fractions equivalent to 1/2, children identify a pattern in the numerators and denominators that allows them...
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Lesson Plan
West Contra Costa Unified School District

Square and Square Roots

For Teachers 7th - 9th
Root for your pupils to learn about roots. Young mathematicians first review the meaning of squares and square roots. They then use this knowledge to simplify square roots of monomials with variables.
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Lesson Plan
EngageNY

How Do Dilations Map Angles?

For Students 9th - 10th Standards
The key to understanding is making connections. Scholars explore angle dilations using properties of parallel lines. At completion, pupils prove that angles of a dilation preserve their original measure. 
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Interactive
CK-12 Foundation

Data Summary and Presentation: Chart for Grouping Data

For Students 7th - 12th Standards
Get social! Create a display of social media use for a class. Pupils use provided information about the time spent on social media to construct a histogram. Using the histogram, learners interpret the data to answer questions.
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Interactive
CK-12 Foundation

Area Between Curves: Income and Expenses

For Students 11th - Higher Ed
Use the area of polygons to calculate the area between curves. Pupils calculate areas under income and expense curves by filling the space with squares and right triangles. Using that information, they determine the profit related to the...
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Activity
101 Questions

Circle-Square

For Teachers 9th - 12th Standards
How do the area and perimeters of circles and squares compare? A clever video illustrates the change in the area of a circle and square while their total perimeter stays the same. The task is for learners to predict the point where the...
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Lesson Plan
Curated OER

Math: "Scales"

For Teachers 3rd
Third graders investigate ratios and rates.  In this third grade mathematics lesson, 3rd graders identify equal ratios and rate and test for proportionality.  This lesson is created to be use in conjunctions with a particular textbook,...
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Worksheet
Curated OER

Share Equally

For Students 1st - 2nd
In this beginning division worksheet, students solve 5 problems in which object are divided evenly. Students use objects and bowls to divide evenly.
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Lesson Plan
Curated OER

Addition Properties

For Teachers 3rd - 5th
Student study addition properties. For this addition properties lesson, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition. Students...
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Worksheet
Curated OER

Fractions!!! math club worksheet 33/3

For Students 6th - 10th
In this fractions worksheet, learners simplify their answers after they solve addition, subtraction, multiplication, and division of fraction problems. Students complete 14 problems total.
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Worksheet
Curated OER

Challenge: Seven Triangles - Division Word Problems

For Students 4th - 7th
In this division instructional activity, students solve 6 division word problems. Students write the answer to each problem in a triangle labeled with the number that corresponds to the number of each word problem.  Students then add up...
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Worksheet
Curated OER

Prime Numbers

For Students 4th - 5th
Prime numbers are the focus of this math activity. Students follow directions to identify prime numbers on a hundreds chart. Students follow clear directions in order to find a total of 25 prime numbers on the chart.
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Lesson Plan
Curated OER

Playing with Remainders

For Teachers 5th
Fifth graders explore how people handle remainders in real life. In this remainders math lesson, 5th graders participate in skits to show what to do with remainders. Students complete worksheets with word problems.
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Worksheet
Curated OER

Real-Life Problems

For Students 1st - 2nd Standards
Introduce scholars to addition and subtraction word problems with visual guidance. There are five scenarios here, each with a picture to guide scholars as they solve. An example encourages kids to physically interact with the images,...