Tag Archives: properties of equality

FOIL Method is Distributive Law

The FOIL method is not that bad really for teaching multiplication of two binomials as long as it is derived from applying the distributive law or more officially known as the Distributive Property (over addition or subtraction). The FOIL method is a mnemonic for First term, Outer term, Inner Term, Last term. It means multiply… Read More »

Teaching the properties of equality through problem solving

I like to teach mathematical concepts via problem solving. It right away engages students mind. It creates a need for learning a more systematic way of doing things and hence a reason for learning the concept. It provides a context for making connections. Most important of all, it gives students opportunity to learn before they… Read More »

Properties of equality – do you need them to solve equations?

Should students learn the properties of equality before we ask them to solve equations in one variable? Would it be too hard for them to solve the equation 2(x + 7) = 4x without knowing the properties of equality? In the grades, pupils learn to find equivalent ways of expressing a number. For example 8… Read More »

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