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National Council of Teachers of Mathematics
Improving Archimedes' Method
For this Archmides' method instructional activity, students determine the area of a regular n-gon inscribed in a circle. They use sine and cosine functions to solve problems. This three-page instructional activity contains 4...
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Solving Equations Containing Algebraic Fractions
In this algebraic fractions worksheet, students solve and complete 20 different problems that include solving equations that contain algebraic fractions. First, they determine the common denominator in each and use the product of all the...
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Solve Right Triangle
In this trigonometric applications worksheet, students solve for the missing side of a right triangle using a trigonometric ratio. There are 46 questions, 10 of which are word problems.
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Number Problems
In this algebra worksheet, students solve eighteen number problems by using algebraic methods. Each of the word problem gives a riddle about finding a number increased or decreased by a certain number.
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Student - Designed Density Experiment and Poster
In this student-designed experiment worksheet, learners decide on an experimental problem to solve. Students use the scientific method to perform an experiment and record the data. Learners calculate the density of liquid used in the...
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Evaluating Expressions
In this evaluating expressions worksheet, 9th graders solve 10 different problems that include evaluating various forms of expressions. First, they evaluate the equations for the given values of x in each of the 4 boxes. Then, students...
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Multiplying Binomials
In this math worksheet, students practice the techniques associated with multiplying binomials. This worksheet has 18 problems for the students to solve.
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The Journey of a Banana
To investigate the price of bananas in order to evaluate basic counting and number sense skills, your mathematicians focus upon multiplication and problem solving that incorporates social studies in the form of building awareness about...
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Social Change
Students study a social issue involving gorillas, and work in groups to develop strategies to increase awareness of and problem solve a solution for the issue. They collect data using handheld computers and write a report.
Mathematics Assessment Project
A Golden Crown?
In this assessment task, learners determine whether a crown with given information is composed of pure gold. The task expects algebraic and numerical solution methods, so unlike Archimedes, no bathtub is necessary.
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Quadrilateral Clues
Fourth and fifth graders work in pairs explore quadrilaterals. In this problem-solving lesson, learners participate in hands-on activities that require them to identify, describe, compare, and classify quadrilaterals. This is meant...
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Math is in the Cards!
Is the rainy day schedule disrupting your class? Here is a great way to practice basic addition, subtraction, and multiplication skills while building automaticity and problem solving. This activity provides the rules to three different...
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The Elimination Method
Tenth graders investigate the Elimination Method in the solving of equations. They solve the equation using this method in examples with the teacher and then transfer the new knowledge to independent practice.
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Redox Equations and the Half-Reaction Method
Students review half-reactions and practice balancing redox equations in order to help them solve problems in chemistry.
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Introduction To Solving Equations
Use manipulatives (film cans and balance scales) to visualize and solve equivalent equations with your math class. After a lecture/demo, they utilize handouts and solve various equations using the methods learned.
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The Visible Spectroscopy Expert Witness Problem
In a simulated crime science investigation, chemistry or physics sleuths use spectroscopy to analyze solutions. The lesson gives learners practice making salicylate solutions, using spectrophotometers, calculating dilution amounts,...
Scholastic
Study Jams! Add & Subtract Measurements
How much leopard print fabric will Zoe need to upholster a sofa for her jam studio? This problem is the example used to teach how to add and subtract measurement-related values.
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Rusting and the Scientific Method
Students observe the oil can scene with the tin man from a clip from "The Wizard of Oz" and answer the question, "What can we learn about rust from this scene?". They take 2 tubes and 2 nails, adding 1 salt packet to 2 ml of distilled...
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Three Squirrels and a Pile of Nuts
Pupils solve story problems using a spreadsheet in combination with various problem-solving strategies. Working in teams of three, students create attempt to solve a story problem using three different methods; using manipulative, using...
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Teaching in the Swithched On Classroom
Students engage in activities to help them develop computer skills and other various problem solving methods. They also work collaboratively, and apply technology in an ethical way.
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Exploring the Scientific Method: Separation of a Complex Mixture
Students work in teams to use the scientific method to separate complex mixtures into pure components.
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Problem Solving
Sixth graders solve problems involving money at learning situations. They solve the problems and determine if there is a solution, one solution, or many solutions. They write problems that have more than one solution and incorporate...
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Scientific Method for Middle Schools
Students use the scientific method to solve a teacher scenario. They bring in M&M's. Students are given a copy of the scientific method. They first come up with a problem. Students are told that they are going to conduct an...
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When Life Serves You Lemons!
Students build their own lemonade stand. In this problem solving lesson, students measure the materials needed to build a stand and make lemonade. They find the cost of producing the lemonade and the profit they will make.