Today, my pre-algebra class began work on adding or subtracting fractions with like denominators. They've had it before in middle school and elementary school but they still have problems with it. So I started class by asking what do we mean when we say "like denominators". Most students either looked blank or shrugged.
I told them that someone dropped a letter and its really "alike" denominators. It was amazing how they suddenly looked less confused and more understanding. So I worked a couple problems on the board to show them that they are less likely to accidentally add denominators if they rewrite the problems to have only one denominator.Although most worked slowly, I had fewer "What do I do next." I found that awesome. About 10 minutes before the bell, I put the students on Pirate Fractions and tomorrow, I"ll put them on another fractions app to give them additional support and help build a stronger foundation.
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