Curated OER
Solving Equations
How do you solve a problem when a symbol or letter is used in place of a missing number? Build algebraic reasoning and problem solving skills with this presentation that explains three methods for finding a missing variable. The guess...
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Multiplication: Bugs Can Multiply, So Can I!
Develop multiplication skills with your class. Youngsters will visualize multiplication as repeated addition. Then they will create a multiplication bug book and discover arrays as a strategy for multiplication problem solving....
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Reteach: Solve Multiplication Equations
In this multiplication worksheet, students use inverse operations to solve for n in a set of 4 equations. A reference web site is given for additional activities.
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Cups and Cubes
Third graders explore the use of cups and counters as a model to analyze the effects of operations. They create and use a rule to create a sequential pattern and use cups and cubes to model the relationship.
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Dividing by 3's
Third graders review and practice strategies for solving division problems. In this division by 3's lesson, 3rd graders play games, use an interactive whiteboard, create flashcards, and solve word problems.
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Pyrotechnics
Students discuss pyrotechnics and what they have noticed about their height and speed. They think about the path which fireworks follow which is a parabola. They follow multiplication patterns to determine the Zero Product Property and...