Curated OER
Solving Problems Using Triangle Inequality Theorem
Sixth graders investigate triangles and the inequality theorem. They will collaborate in groups to determine the length of a longest side of a triangle. Then relate the size of the triangle to its angles using protractors, yard sticks,...
EngageNY
Develop Rules for Multiplying Signed Numbers
Investigate the case of two negatives making a positive. Pupils fill in a quadrant system to generate the products of integers. They analyze the quadrants to find patterns and relationships to help complete the table values. The teacher...
Curated OER
It's Not All Greek to Me
Learners find out the meaning for prefixes used in math vocabulary. By dissecting words used in everyday math, they figure out what the prefix indicates and what the word means. A variety of well-organized worksheets and activities...
Curated OER
Fact Families
Fifth graders explore fact families. They solve simple math problems. Students determine which mathematical property is used to solve the given problem. They are given five minutes to complete as many mathematical facts as possible.
Curated OER
Miles Of Smiles
Students investigate basic mathematical properties to solve multiplication and division problems. They solve word problems that are part of the lesson. Students are required to give written or oral justification for how they solve each...
Curated OER
Number Sense Sampler
First graders read a variety of stories containing mathematical word problems. They illustrate the math problems with manipulable counters.
Curated OER
Percentages
In this percentages worksheet, students problem solve five mathematical word problems associated with percents and percentages.
Curated OER
The Escape
Students 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, students discuss the problem and write...
Curated OER
Misconceptions in Mathematics
In this misconceptions worksheet, 6th graders solve and complete 3 different steps in a problem. First, they solve by multiplying the fraction of a number to get the percentage. Then, students find the square roots of both sides of a...
Curated OER
Singapore Math and The Common Core
Tackle The Common Core math standards with some help from your friends in Singapore.
West Contra Costa Unified School District
Fractional Exponents
Wow! Here is a handout packed full of tips and worked-out solutions to supplement instruction on fractional exponents. The lesson introduces and thoroughly explains the Algebra II concept, and closes with a...
Discovery Education
Architects in Action
Hands-on and real-world applications are great ways to teach mathematical concepts. Creative thinkers examine how ratios are used to create scale models of buildings and structures. They practice working with ratios by looking at a map...
We are Teachers
What Goes Up Must Come Down
From understanding stock market performance and return on investment to identifying the costs and benefits of credit and avoiding debt problems, this is an absolute must-have resource for financial planning and literacy.
Curated OER
Pythagorean Theorem
For this Pythagorean theorem worksheet, 9th graders solve and complete 8 different types of problems. First, they go to the given website and copy the picture shown. Then, students draw a right triangle using the straight line between...
Curated OER
The Distributive Property
In this distributive property worksheet, students complete 10 short answer problems. Each problem asks students to work first using order of operations, and then using the distributive property. The final problem applies this to the area...
Curated OER
Power Laws
In this power laws worksheet, students solve and complete 6 different types of problems. First, they express each using powers and write in index form with a given base. Then, students calculate each problem and write in simplest terms.
Curated OER
Identity, Inverse, and Equality Properties
In this properties worksheet, 9th graders solve and complete 29 various types of problems that include identifying various types of properties. First, they give an example of each property named. Then, students name the property...
Curated OER
Sine and Cosine
Students solve problems using sine and cosine. In this precalculus lesson plan, students solve word problems using sine and cosine. They identify where it is appropriate to laws of sine and cosine and where to use the Pythagorean Theorem.
Curated OER
A Scheduling Dilemma
Students solve train-scheduling word problems using a four-step problem solving model. In this problem solving lesson, students work in groups to a four-step procedure about a train scheduling dilemma.
Curated OER
Three Circles II
Fourth graders practice a variety of strategies when investigating what happens when they put various numbers into circles of a configuration: they express a fraction as a decimal, write and solve problems involving decimal...
Curated OER
Making Movies
Students use interactive white boards to solve math problems. In this math problems lesson plan, students produce math casts where they can solve problems, write out descriptions, and communicate what they know and do not know on the...
Curated OER
Weighted Averages
Weighted averages can be tricky to explain! However, this study guide makes it easy for teachers by including definitions, explanations, and breaking down problems into three steps. Includes mixture problems and uniform motion problems.
Kentucky Department of Education
Multi-Digit Multiplication Strategies
There is more than one way to solve a multiplication problem, and many learners find that the lattice multiplication method can be a helpful one. Fourth graders take an initial formative assessment before working in groups of two or...
