CK-12 Foundation
Quadratic Functions and Equations
The form of a quadratic function paints a picture of its graph. Young mathematicians explore this connection by locating key features on a graph and then writing the corresponding equations. The interactive tutorial highlights key...
CK-12 Foundation
Exponential Decay: Cool Sunglasses
Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They...
Curated OER
2, 4, 6, 8 . . .What Do We Appreciate-Patterns, Patterns, Patterns
Students discover and predict patterns in a numerical sequence. Through the Internet and video segments, students begin with basic number patterns and extend their knowledge into higher math skills. They will also create new patterns...
Curated OER
Last Will and Testament of Amanda Hugandkiss
Eleventh graders apply mathematical knowledge and reasoning skills to solve a real life problem. In this algebra lesson, 11th graders use a variety of problem solving skills to solve non-routine problems of increasing...
Curated OER
Innovation in a Bag
Young scholars create a business plan to start up their own business. In this algebra lesson plan, students think of a product they can produce and sell. They create on paper what they should do and then put into practice creating a mock...
Curated OER
Robot Sketcher
Students analyze and solve word problems. In this algebra lesson, students explore their reasoning skills as they analyze a problems and come up with the correct steps to solve it. They create a plan and execute it correctly.
Curated OER
Still More Lollies
Fourth graders listen to the problem to the class and think about how they solve the problem and to discuss it with their friends using number sentences in their written record of the solution.
Curated OER
Conversions That Make Cents
Eighth graders practice calculating problems using addition, subtraction, multiplication and division. They estimate solutions to algebraic problems. They also graph their solutions.
Curated OER
Is Bigger Always Better?
Explore rational numbers with the young mathematicians in your class. They will investigate decimals, fractions, and percents before ordering and comparing rational numbers. This multi-day unit includes differentiation activities and...
Curated OER
Making Money and Spreading the Flu!
Paper folding, flu spreading in a school, bacteria growth, and continuously compounded interest all provide excellent models to study exponential functions. This is a comprehensive resource that looks at many different aspects of...
Curated OER
Understanding Proportions and Scale Drawings
Proportions are ratios found using multiplication or division. Middle schoolers solve measurement problems, find a figure's missing dimension, and find the distance between two points. Resource features four lesson plans with detailed...
Curated OER
Multiplication, Division, and Money
In this math review worksheet, students complete problems involving multiplication, division, money, and equations. Students complete 10 multiple choice problems.
Curated OER
Weaving a Story
It's time to investigate patterns! First and second graders construct a paper weaving using a hundreds chart, then use the Ti-10 calculator to make patterns such as adding 3 each time. Learners remove multiples of three from the hundreds...
Curated OER
Equation Word Problems, Vol. 2
Use this equations worksheet to have your learners solve word problems containing equations with variables. They complete 10 multiple choice questions.
Curated OER
Equation Word Problems, Vol. 1
Learners solve word problems and regular number problems having to do with equations with variables. They complete 10 problems.
Curated OER
Kakuro Puzzle
In this math worksheet, students solve the number puzzle looking for the missing values. The sheet is intended to be a teacher's guide.
Curated OER
The Language of Mathematics
Students integrate the language, concepts and skills of math into the daily routine and classroom environment. They think mathematically by participating in short, daily, individual, small group, whole group and transitional activities...
Curated OER
Poppy Meets Pythagoras
Eighth graders find connections between numbers in a table; use Pythagoras' theorem in a general algebraic form; and measure accurately from a scale drawing to find a method that might enable the helicopter to land inside a rectangular...
Curated OER
Using inverse Operations to Solve Equations
Fifth graders solve equations. In this algebraic equations lesson plan, 5th graders use the inverse operation to solve an equation. The teacher reminds students to perform the operation on both sides of the equation. This lesson plan...
Curated OER
Taxi Fare
Students discuss what they know about taxis and how they charge. They read the problem and work in pairs focusing their thinking on the repeating pattern of twos. They then share their solutions and conclude with some class practice...
Curated OER
The Escape
Young scholars find strategies for investigating number problems. They find a common multiple of a group numbers. The teacher introduces the problem and students read and think about it. In groups, young scholars discuss the problem...
Curated OER
Rational Expressions
In this Algebra II activity, 11th graders simplify rational algebraic expressions by factoring and cancelling the common factors. The two page activity contains instruction, worked examples, and three practice problems. ...
Curated OER
Graphing from Slope-Intercept Form: Practice A
Ninth graders investigate the slope-intercept form of a line. In this Algebra I instructional activity, 9th graders graph linear equations by using the slope and y-intercept.
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