Lesson Plan
Curated OER

Up We Go

For Teachers 1st
First graders examine the use of number lines in problem solving situations in this series of lessons. They participate in activities in which they move forward and backward on number line on the playground before doing paper and pencil...
Lesson Plan
Curated OER

Triangle Exterior Angles Theorem

For Teachers 7th - 9th
Students identify the measure of missing exterior angles. In this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
Lesson Plan
Curated OER

UNWRAPPING PACKAGING

For Teachers 4th - 8th
Students study product packaging and determine if it is excessive and if it is recyclable.  In this packaging lesson students examine and identify waste reduction techniques. 
Worksheet
Curated OER

More on Least Squares

For Students 12th - Higher Ed
In this least squares worksheet, students solve 3 different problems that include determining the least squares of equations. First, they use the data given in the table to write out the normal equations a system of 2 equations in 2...
Interactive
Curated OER

Angles in a Triangle

For Students 10th
In this geometry worksheet, 10th graders determine the measure or measures of the missing angle(s) in a triangle. The one page interactive worksheet contains four questions. Answers and hints are included. 
Lesson Plan
Curated OER

Addition and Subtraction of Rational Expressions

For Teachers 9th - 10th
In this rational expression worksheet, young scholars add and subtract rational expressions. Students identify and use the LCM to simplify each expression. Twenty problems are provided on this one-page worksheet.
Lesson Plan
Curated OER

Addition and Subtraction of Rational Expressions

For Teachers 9th - 10th
In this rational expression worksheet, learners simplify rational expressions through addition and subtraction. Twenty problems are provided on this two-page worksheet.
Worksheet
Curated OER

Infinite Series: Convergent or Divergent

For Students 12th - Higher Ed
In this infinite series worksheet, students use the Integral Test to determine if a function is convergent or divergent. They use the Comparison Test to prove convergence and calculate partial sums. This two-page worksheet contains...
Worksheet
Curated OER

What Is the Total Amount?

For Students 1st - 2nd
In this counting nickels worksheet, learners solve 6 problems in which nickels are counted and the total amount is calculated. All sums are below a dollar.
Worksheet
Math Salamanders Ltd.

Multiplying by 10's and 100's Sheet 1

For Students 3rd - 4th Standards
In this multiplication worksheet, students use given numbers to multiply and calculate the resulting sums. A reference website is given for additional activities.
Worksheet
Curated OER

Sherlock Holmes' Real Train Adventure

For Students 11th - 12th
In this calculus worksheet, students use the trapezoid and Simpson's rule to calculate the midpoint sum. They use a specific interval to perform their integration. There are 12 questions.
Worksheet
Curated OER

Sequences, Series, and Probability

For Students 10th - 12th
Students will find the finding n terms of a sequence, and  partial sums with and without using a graphing utility. Students will apply properties of sequences, series, and probability to word problems such as salary calculations,...
Worksheet
Curated OER

Math Bingo: Addition of Two Digit Integers

For Students 8th
In this addition bingo worksheet, 8th graders play bingo by calculating the sums of two digit positive and negative numbers.
Worksheet
Curated OER

Next Door Numbers

For Students 1st - 2nd
In this addition worksheet, learners complete each calculation by adding two consecutive numbers to equal the sum listed for each problem.
Lesson Plan
Curated OER

A Square of Circles

For Teachers 2nd
Second graders practice calculations and working with even and odd numbers. They perform mental calculations involving addition. Students devise and use problem solving strategies to solve problems.
Worksheet
Curated OER

The Enthalpy of Chemical Change

For Students 10th - Higher Ed
In this chemical change worksheet, students review enthalpy and use Hess's law to calculate enthalpy and the heat of reaction for given reactions. This worksheet has 3 problems to solve.
Lesson Plan
Curated OER

Hooked On Problem Solving

For Teachers 4th
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
Lesson Plan
Curated OER

Adding More Than Two Numbers

For Teachers 4th - 5th
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
Worksheet
Curated OER

Addition Terminology and Practice

For Students 2nd - 3rd
In this addition worksheet, students review the terminology and definitions for the words addends and sum. Students then write the given numbers as sums in as many different ways as they can. Students also write addition sentences for...
Lesson Plan
Curated OER

Coin Drop

For Teachers 7th - 12th
Students calculate the theoretical and empirical probability by dropping coins on a grid. They record their data and compare the theoretical and empirical data. Students make predictions about the results before conducting the experiment.
Lesson Plan
Curated OER

Chances Are: Talking Probability

For Teachers 4th - 5th
Learners explore probability and the process of data analysis and predictions. They participate in two activities, one involving a calculator and one the Internet, in which they make predictions and conduct activities to test their...
Worksheet
Curated OER

Understand Subtraction and its Relationship to Addition

For Students 3rd - 5th
In this subtraction and addition worksheet, students calculate the answers to the subtraction problems and then check their answers using addition. There are 18 problems to solve on this worksheet.
Lesson Plan
Curated OER

Evaporation Pans & Related Rates

For Teachers 11th - 12th
Students calculate evaporation rate using differential equations. In this calculus lesson, students explain how pan evaporation works. They complete a worksheet to sum up the lesson.
Lesson Plan
Curated OER

Central Tendencies and Normal Distribution Curve

For Teachers 4th
Fourth graders are given data (class test scores) to determine central tendencies, and find information needed to construct a normal distribution curve. They become proficient in calculating mode, median and average.