Curated OER
Two-Step Problems and Money Concepts
Elementary schoolers solve two-step equations and practice money concepts. They solve multi-step addition and subtraction contextual problems and apply money concepts to real life situations. Pupils use pictures and counters to help them...
Curated OER
Divisibility Rules Using Scientific Calculators
Young learners apply divisibility rules to determine if a number is a factor of another number. They discuss what numbers are factors of another number and identify patterns using divisibility rules.
Curated OER
Mathematics: Domino Theory
Sixth graders use dominos and plastic chips to study common denominators and fractions. They describe how these operations are related to each other.
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Six Circles
Students develop the skills of problem solving through looking at situations mathematically. The lesson introduces students to the concepts of theorems and proofs as part of how one looks at mathematical problems.
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The 400 Problem
Students develop the skills of problem solving and logical analysis. The conditions of when two subtraction sums are equal is examined to develop other skills like practicing arithmetic in context.
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Consecutive Numbers
Like all of the Problem Solving units, this one aims to introduce students to the underlying ideas of mathematics through a problem. The problem here requires a knowledge of arithmetic and the use of some algebra. In this unit we see how...
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Flying with Fractions
Students test their knowledge of the Wright Brothers and their aircraft, and compute ratio of two numbers to determine the ratio between wing span and length of aircraft.
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Introduction to the Concept of Probability
Middle and high schoolers have a clarified definition of probability, they explore about outcomes in probability and how to calculate experimental probability. They use computers to learn about probability.
Curated OER
A Day to Remember!
Students study math. In this real-life problem solving lesson, students work on their skills dealing with time and money. They work in small groups on various time and money word problems and by the final day they have a final problem...