Illustrative Mathematics
How Many Colored Pencils?
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing them to...
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Evaluating Reports Based on Data from a Sample
Statistics can be manipulated to say what you want them to say. Teach your classes to be wise consumers and sort through the bias in those reports. Young statisticians study different statistical reports and analyze them for misleading...
Curated OER
20 Tickets
A great hands-on activity involving adding and subtracting, beginner mathematicians determine how many games can be played with 20 tickets. Instead of tickets, youngsters use 20 counters or linking cubes to represent the amount of...
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Multiplying Polynomials
Students investigate polynomials. In this algebra lesson plan, students solve problems dealing with multiplication of polynomials by using the distributive property and the FOIL method. Students also describe how the use of Punnet...
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Inverses as a Form of Undoing
Middle schoolers use inverse operations to solve two-step equations. They study a story problem about inverse operations, watch a video about the problem, and complete a handout for the inverse problem. Pupils finish with two assessments...
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Efficacy of Scientific Notation
How many times could California fit into the entire United States? Pupils use scientific notation to find the answer to that question in the 12th installment of 15 lessons. It asks scholars to write numbers in scientific notation and...
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Parallel and Perpendicular Lines
Use what you know about parallel and perpendicular lines to write equations! Learners take an equation of a line and write an equation of a line that is parallel or perpendicular using slope criteria. They then solve problems to...
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Roots of Unity
Visualize the nth roots of unity. Pupils calculate the nth roots of unity and find all n roots. Learners plot the solutions in the complex plane and observe that they are the vertices of a regular n-gon inscribed in the unit circle....
Curated OER
Mathematical Roadmaps
Second graders observe how a sample math problem is solved on the overhead. They work in small groups to develop a strategy for solving another problem using counters as well as a large sheet of paper to write down their explanation of...
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Using Mathematics to Explain the Spread of Diseases
Students use statistics to solve problems based on the spread of disease. In this disease lesson students study the role that viruses and bacteria play in the spread of diseases and explain pandemics.
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Maxima and Minima Problems
Students calculate the maxima and minima of quadratic equations. In this calculus activity, students apply the derivatives by finding the maxima and minima using real life application. They solve optimization using the derivative.
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River Optimization Problem
Students define the different methods used for optimizing a particular element of a problem. In this optimization problem lesson, students optimize appropriate details of a problem using data collection, algebra, technology, and/or...
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Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics instructional activity, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such...
Curated OER
The Bee Problem
In this algebra worksheet, 11th graders rewrite a word problem using algebraic symbols. They calculate the distance flown before the impact of the two objects occurs. An answer key is provided.
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Mathematical Balloon Pop
First graders study addition and subtraction. In this mathematics and physical education lesson, 1st graders pop balloons and solve math sentences involving addition and subtraction inside each balloon.
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Mathematics Lesson for Grade 12
Twelfth graders examine multiple aspects of statistics. For this mathematical reasoning lesson, 12th graders solve problems on probability, logarithms, exponential relationships and transforming rectilinear shapes. This resource contains...
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Mathematical and Chemical Relationships of Stoichiometric Problems
Young scholars review key words used in stoichiometry such as mole, molar mass, Avogadro's number, and mass - mole relationships. They participate in a series of small experiments to explore solving stoichiometry problems in the...
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Solving Using Linear Equations
Seventh graders explore linear equations. They observe the relationship between linear equations an patterns. Students make decisions using information given in graphs to solve linear equations. They perform a toothpick activity to...
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The Window Problem
Students identify patterns and compute formulas to solve the problems. In this algebra activity, students come up with a rule given a pattern, and analyze the relationship between data and graphs.
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The Weight of Primates
Second graders practice their problem solving skills. For this addition and subtraction skills lesson, 2nd graders solve word problems that require them to find differences and sums. This lesson features the use of a video titled...
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The National Math Trail
Students explore the many applications of mathematics in their environment . They formulate and solve mathematics problems. Students describe geometric elements, shapes and relationships. Students use technology such as digital cameras...
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Fraction Animals
Second, third, and fourth graders explore fraction strategies and division by splitting sets of farm animals into equal numbers. Independently, they read word problems, solve them, and check their answers.
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Multiplying and Dividing Fractions and Mixed Numbers
Upper graders study fraction and mixed number division and also review fraction multiplication. In this fraction and mixed numbers lesson, learners work with the teacher in an oral problem solving method to multiply and divide fractions...