Activity
Education Development Center

Integer Combinations—Postage Stamps Problem (HS Version)

For Students 8th - 9th Standards
It seems the post office has run out of stamps! Learners build all the values of postage available if the post office only sells five- and seven-cent stamps. The task provides an opportunity to create an expression in two variables and...
Assessment
Illustrative Mathematics

Multiples of Nine

For Students 4th Standards
Which numbers are multiples of 9? Task class members to find the first ten multiples of 9 in a straightforward assessment worksheet.
Lesson Plan
Mascil Project

Amberhavn: New Bus Network

For Teachers 9th - 12th
Public transportation is an important aspect of any growing city. Collaborative groups work to redesign a system for a city in need of restructuring. Young scholars design a route, create a timetable, and incorporate a quality control...
eBook
Rice University

Intermediate Algebra

For Students 9th - 12th Standards
Algebra concepts are all wrapped up in one nice bow. The resource combines all the concepts typically found in Algebra I and Algebra II courses in one eBook. The topics covered begin with solving linear equations and move to linear...
Lesson Plan
Odell Education

What's the Point?

For Teachers 6th Standards
Point your class in the right direction in plotting points with three activities that give scholars a chance to learn about and practice plotting points on a coordinate plane. They draw figures on the coordinate plane and list out the...
Lesson Plan
Odell Education

Complex Numbers

For Teachers 10th - 12th
Build on your class' understanding of real numbers as they begin working with complex numbers. Pupils begin with an exploration of i and the patterns in the powers of i. After developing a definition for i, they simplify complex number...
eBook
Schoolcraft College

Trigonometry

For Teachers 9th - 12th Standards
This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...
Lesson Plan
West Contra Costa Unified School District

Comparing Rational Functions and Simplified Functions

For Teachers 10th - 12th Standards
What kind of functions have holes in their graphs? Here, the teacher guides the class on how to use the simplified function of a rational function to aid in the graphing of the original rational function. T-tables are used in order...
Lesson Plan
Statistics Education Web

Did I Trap the Median?

For Students 9th - 12th Standards
One of the key questions in statistics is whether the results are good enough. Use an activity to help pupils understand the importance of sample size and the effect it has on variability. Groups collect their own sample data and compare...
Assessment22:12
Mathed Up!

Reflections

For Students 9th - 11th Standards
Tracing paper is not just for art anymore — pupils can use it to find reflected images, too! Two videos show how to reflect images using tracing paper and find the reflection between the pre-image and image. Learners perform reflections...
Lesson Plan
Curated OER

Estimate, Solve, and Check

For Teachers 1st - 2nd
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
Lesson Plan
Curated OER

Concepts Of Division

For Teachers 3rd - 4th
In a comprehensive and well-outlined series of activities, the class investigates how division is the same as repeated subtraction. During guided practice, they take notes on turning sample word problems into solvable equations and...
Lesson Plan
Curated OER

three Names Lesson

For Teachers 3rd
After the book Three Names is read aloud, math vocabulary is introduced . Either alone or in groups, learners use the vocabulary words in a meaningful sentence. Then they complete the provided worksheet.
Interactive
CK-12 Foundation

Sums of Mixed Numbers: Split the Addition

For Students 5th - 8th Standards
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.  
Lesson Plan
Curated OER

Math! What's It All About?

For Teachers 1st - 6th
Students explore what it means to solve problems and communicate in real life situations. They recognize math in a variety of real life materials. Also, they determine what procedures they use to solve a problem and what areas of math...
Worksheet
Curated OER

Math Mammoth End of the Year Test--Grade 1

For Students 1st
In this first grade math assessment worksheet, 1st graders complete 22 math problems based on the topics that were taught in first grade. The topics include telling time, solving word problems and addition and subtraction computation...
Lesson Plan
Curated OER

Mental Math Counts

For Teachers 5th - 7th
Pupils use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
Lesson Planet Article
Curated OER

Addition Math Lesson Plan

For Teachers Higher Ed
Students write a math lesson plan with manipulatives, drill and practice, and assessments. In this math lesson plan, students do this for addition.
Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 1, Lesson 1: Math in Motion

For Teachers 2nd
Second graders, through large screen monitor, study geometric design. They participate in a diagnostic assessment in which they use pnecils, scissors and paste.
Worksheet
Curated OER

Mixed Math Practice

For Students 11th - 12th
For this Algebra II/Pre-calculus worksheet, students find the area and perimeter of sectors of a circle.  The four page worksheet contains sixteen problems.  Answer key is included.
Lesson Plan
Curated OER

Measuring Math Vocabulary

For Teachers 1st - 2nd
Students go over math vocabulary words and show examples of the terms on the board. In this math vocabulary lesson plan, students go over many words and are given a worksheet with words and definitions.
Interactive
Curated OER

TAKS Math Quiz-Currency Problems

For Students 4th - 6th
In this TAKS math quiz learning exercise, learners take an online quiz focused on problems using currency. Quiz may be graded online by clicking a link.
Lesson Plan
Curated OER

Finding Remainders in Pascal's Triangle

For Teachers 5th - 6th
Students use clock arithmetic to find remainders. In this patterns in math lesson, students explore the relationship between clock arithmetic and remainders using a computer applet. Students also identify patterns in Pascal's triangle...
Lesson Plan
Curated OER

Fractions - Equal or Not

For Teachers 4th
A fabulous lesson on fractions awaits your young mathematicians. In it, learners are invited to explore the world of fractions by accessing websites that have educational activities and worksheets embedded in them. Some excellent,...