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- Grade Range
- 6th - 8th
- Rating
Students complete a unit of lessons on the relationships between decimals, whole numbers, and fractions. They use paper strips to solve fraction problems, view and solve examples, and use calculators to convert fractions into decimal equivalents. Full Review »
- Grade Range
- 4th
- Rating
Students play a game with red and green cards (composite and prime numbers). As a card is drawn students create all possible arrays. The winner of each round is the person with the most arrays. Students discuss their results, and define the terms prime and composite. Full Review »
- Grade Range
- 6th
- Rating
Students identify prime and composite numbers and complete an activity problem. Given a 100 chart, they follow directions to create a prime number chart. In groups, students play a "Prime Take Away" activity to reinforce prime numbers. Full Review »
- Grade Range
- 5th
- Rating
Students use prime factorization to identify prime and composite numbers. They use cubes to find factors. In groups, students draw rectangular arrays to discover prime numbers under 100. Full Review »
- Grade Range
- 6th
- Rating
Students investigate the concept of prime and composite numbers. They use a review of multiplication to help explain factoring. Students are taught the definition of a prime and composite number and then practice independently. Full Review »
- Grade Range
- 5th
- Rating
Students investigate the concepts of composite and prime numbers. They factor different numbers and determine the number of factors for each. Based upon this information the number is declared prime or composite. Full Review »
- Grade Range
- 3rd - 5th
- Rating
Students explain what it means to square numbers. They explain what it means to cube numbers. Students define prime numbers using their own language. They are introduced to the problem by playing one game as a class. Full Review »
- Grade Range
- 5th - 6th
- Rating
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 a mathematical theory might develop through experimentation, conjecturing, proving, generalising and extending. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students explore Euclidean Algorithms to calculate the greatest common divisor of two integers. They identify relatively prime numbers. Students write definitions and solve problems, with teacher guidance. Full Review »
- Grade Range
- 8th - 10th
- Rating
Students examine a Babylonian clay tablet and the mathematics found on it as a catalyst to investigate a variety of mathematical ideas. They produce and work with prime numbers. Students classify numbers as whole, integer, rational, or irrational. They use Heron's method to calculate square roots. Full Review »
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