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Lesson Plan
Curated OER

Function Machine

For Teachers 2nd
Second graders decipher a pattern using input and output. In this functions lesson, 2nd graders use input and output numbers to find a pattern involving addition and subtraction. Students use the pattern they discovered to help solve...
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Lesson Plan
Curated OER

The Part-Adder 2

For Teachers 3rd
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
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Lesson Plan
Curated OER

4 Discrete Probability Distributions

For Teachers 9th - 12th
Students read and complete problems on how to solve discrete probability distributions. In this probability distributions lesson plan, students read math problem examples and solve them.
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Lesson Plan
Curated OER

Identifying Functions

For Teachers 9th - 12th
Students, after completing a warm up exercise on one proportion word problem, distinguish between functions and non-functions. They identify domain and range on a function as well as recognize and implement function notation. They solve...
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Lesson Plan
Curated OER

Skip it to multiply it

For Teachers 1st
First graders make sensible estimates and check the reasonableness of answers. They make up, tell and record number stories up to 9 about given objects. They skip count in twos, threes and fives.
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Lesson Plan
Curated OER

Composition of Functions

For Teachers 9th - 12th
Students solve problems using the composition of functions. In this algebra lesson, students analyze the graph of a quadratic equation for its vertex and intercepts. they find the inverse of the function using addition, subtraction,...
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Lesson Plan
Curated OER

The Multiplier (2-digit by 2-digit numbers)

For Teachers 4th
Fourth graders Split a 2-digit number into tens and ones. They use The Multiplier to partition and solve 2-digit by 2-digit multiplications. They describe how to solve 2-digit by 2-digit multiplications using a diagram.
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Worksheet
Curated OER

Mathematical Wackie Wordies

For Students 9th
In this word worksheet, 9th graders examine pictures and write a mathematical phrase to describe the picture.  This one-page worksheet contains 25 problems.  Answers are provided.
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Worksheet
Curated OER

Single Digit Division And Multiplication Practice

For Students 3rd
In these multiplication and division worksheets, 3rd graders solve single digit problems. Students complete 100 multiplication and 100 division problems with no remainders for mastery.
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Lesson Plan
Curated OER

Pipe Music With Decimals

For Teachers 7th - 8th
Learners discuss strategies for solving problems with decimals. They find the sum of problems through recognizing place value and by practicing adding numbers both vertically and horizontally. They read and solve real life word...
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Worksheet
Curated OER

Accuracy of Measurements

For Students 7th - 8th
In this accuracy of measurements worksheet, students solve and complete 3 different types of word problems. First, they find the largest area of pitch in the problem described. Then, students write down an inequality to show the range of...
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Worksheet
Curated OER

Linear - Quadratic Systems

For Students 10th - 11th
In this quadratic system worksheet, students solve systems of linear equations. This one-page worksheet contains two story problems where students write their own system of equations and then solve. The remaining eight problems are...
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Lesson Plan
Curated OER

Temperature Bar Graph

For Teachers 9th - Higher Ed
Students explore mean, median and mode. In this math lesson, students analyze temperature data and figure the mean, median, and mode of the data. Students graph the data in a bar graph.
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Lesson Plan
Curated OER

The Number Partner

For Teachers 1st
First graders study number pairs and identify number pairs that sum to numbers from 10 to 30. They use number pairs to solve addition and subtraction problems. They make sensible estimates and check the reasonableness of answers.
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Lesson Plan
Curated OER

Introduction To Functions

For Teachers 8th - 10th
Students define a functions and solve problems using functions. In this algebra lesson, students differentiate functions from non-functions. They differentiate between polynomials of higher degrees.
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Lesson Plan
Curated OER

Getting Percentible

For Teachers 4th
This unit explores the connections between percentages, decimals, and fractions. It focuses on strategies for solving problems involving percentages and applies these strategies to real life contexts.
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Worksheet
Curated OER

Setting Up Equations

For Students 12th - Higher Ed
In this setting up equations instructional activity, students solve 4 different problems that include setting up the equations in each problem. They write out an equation or set up an equations that describe each given situation. Then,...
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Worksheet
Curated OER

Don't Fence Me In: Prisms

For Students 9th - 12th
For this prism worksheet students explore the best way to divide a rectangular region into four areas using parallel lines.  This one-page worksheet contains 1 problem.  The answer is provided.
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Lesson Plan
Curated OER

Equal Additions

For Teachers 5th - 6th
Learners explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
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Lesson Plan
Curated OER

Absolute Value Inequalities

For Teachers 9th - 12th
Students solve inequalities.  In this absolute value lesson, students solve inequalities containing absolute value.  They graph the solution of each problem. 
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Worksheet
Curated OER

Why Does the Rule of 72 Work

For Students 10th - 11th
In this algebra learning exercise, students solve a word problem by rewriting it using algebraic symbols. They calculate the interest compounded over a period of time using the Interest Formula. This learning exercise includes 1 problem...
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Lesson Plan
Curated OER

What Are The Chances

For Teachers 7th - 11th
Students calculate the probability of an event occurring. In this probability lesson, students differentiate between independent, dependent or compound events. They find the range of the data.
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Lesson Plan
Curated OER

The Numbers Get Larger

For Teachers 2nd
Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...
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Lesson Plan
Curated OER

The Multiplier (origin of the algorithm)

For Teachers 4th - 8th
Students explore basic algorithms for addition, subtraction, and multiplication. They use models to demonstrate solving two-digit by two-digit multiplication. Students demonstrate vertical formats to solve multiplication problems.