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Lesson Plan
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Curated OER

Mixing Fertilizer

For Teachers 9th - 12th Standards
Your young landscapers do concentration calculations in this problem dealing with mixing fertilizer. Learners use and analyze rational expressions within this context.
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Activity
Howard County Schools

Maria’s Quinceañera

For Teachers 9th - 11th Standards
How long will it take to save up for a car? Classmates use linear and exponential models to see how money received during a Quinceanera will grow over time.
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Worksheet
Curated OER

Division Dominoes

For Students 3rd - 4th
In this math worksheet, students practice division facts and investigate divisibility by playing a dominoes game with 4 players. To score points the dots at the far ends of the game are added and if the number is divisible by one or more...
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Lesson Plan
Curated OER

Fractions in Everyday Life

For Teachers 5th - 7th
Young scholars apply understanding of fractions by converting a recipe to feed the class and the whole grade level. They calculate how many cookies the class would eat and multiply each fraction in the recipe accordingly.
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Lesson Plan
Illustrative Mathematics

Rectangle Perimeter 3

For Teachers 5th - 7th Standards
This activity looks at writing expressions to represent perimeter of a rectangle and then considers the concept of equivalent expressions and the distributive property in more detail. 
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Lesson Plan
Curated OER

China's Population Growth

For Teachers 7th
Learners collect data from China's population growth and determine the mean, median, and mode from the data. In this data lesson plan, pupils determine probabilities and use them to make predictions.
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Worksheet
Curated OER

Matrix Operations

For Students 10th - 12th Standards
Here is a worksheet to practice or review basic matrix operations of addition, subtraction, and scalar multiplication. First, define and discuss key vocabulary terms, then have individuals work five simple problems. There are detailed...
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Lesson Plan
Curated OER

Pocket Money

For Teachers 3rd - 5th
Students discover that the mathematics behind this question is a comparison of the rate at which adding a fixed number increases the total compared to continual doubling of a number. In fact no matter what whole numbers you start with,...
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Worksheet
Curated OER

Nick Six's Dart Game

For Students 2nd - 3rd
In this math worksheet, students analyze a dartboard with scoring points marked for different areas. Students practice addition by adding up scores for 15 attempts at the dartboard.
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Worksheet
Curated OER

Circles in Circles

For Students 4th - 5th
In this circle worksheet, learners use a diagram of 4 concentric circles to complete a set of 4 questions. A reference web site is given for additional activities.
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Worksheet
Curated OER

Completing the Square

For Students 9th - 10th
In this polynomial instructional activity, students complete the square of a given problem. Explanations and examples are provided. This two-page instructional activity contains ten problems.
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Interactive
Curated OER

Estimating and Rounding

For Students 6th - 7th
In this estimation and rounding worksheet, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.
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Lesson Plan
Curated OER

Finding Area and Perimeter in a Miniature House Using Standardized Units

For Teachers 5th - 7th
Students explore the concept of area and perimeter. In this area and perimeter instructional activity, students construct miniature houses. Students determine the area and perimeter of their model in order to buy glue, carpet, and wall...
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Lesson Plan
Curated OER

Double-Digit Addition with Regrouping

For Teachers 1st
First graders recall place value system and double-digit addition, create and manipulate double-digit regrouping, and devise and identify ways to use regrouping.
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Lesson Plan
Curated OER

College Prep Algebra, Worksheet Chapter 3, 2.5, 2.7, 3.1- 3.4

For Teachers 9th - 10th
In this algebra worksheet, pupils translate 39 word problems into algebraic terms and solve them. They complete 42 problems about coordinate graphing, working with ordered pairs, slop, and equations of lines.. They make 2 scatter grams...
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Lesson Plan
Curated OER

Identities and Trigonometric Values

For Teachers 9th - 11th
Young scholars solve trigonometric equations. In this precalculus activity, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different identities.
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Worksheet
Curated OER

Order of Operations

For Students 9th
In this Algebra I instructional activity, 9th graders use the order of operations to evaluate numerical expressions containing parenthesis and brackets.  The one page interactive instructional activity contains instruction, worked...
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Worksheet
Curated OER

General MacArthur's Favorite Number Game

For Students 9th - 11th
In this secondary mathematics worksheet, students examine the algebra behind the solution of General MacArthur’s favorite mathematics trick. The one page worksheet contains one problem with the solution.   
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Worksheet
Curated OER

Solving Algebraic Equations

For Students 6th
In this algebraic equations learning exercise, 6th graders solve and complete 9 different word problems that include various types of equations. First, they find consecutive even numbers and write an equation to solve. Then, students...
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Worksheet
Curated OER

Converting Celsius to Fahrenheit

For Students 9th
In this Algebra I worksheet, 9th graders explore an alternate method for converting Celsius to Fahrenheit and determine the algebra behind the shortcut.  The one page worksheet contains one problem.  Solution is provided. 
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Worksheet
Curated OER

Polynomial Functions

For Students 11th
In this Algebra II worksheet, 11th graders classify polynomials by degree, write in standard form, and describe the behavior of the graph. The two page worksheet provides explanation and examples along with thirteen practice problems....
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Lesson Plan
Curated OER

Modeling Basic Operations

For Teachers 8th
Eighth graders engage in a lesson that investigates basic mathematical operations using a number line. They use props for hands on activities of visualizing the solution to a particular problem.
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Worksheet
Curated OER

Crossword: What Number am I?

For Students 4th - 5th
In this crossword learning exercise, students solve 19 word clues about numbers. Students then complete the crossword with their answers. Clues include fifty more than fifty, one less than twenty, half of one hundred.
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Lesson Plan
Curated OER

Decimals: Collaborative Lesson

For Teachers 5th - 6th
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...