One thing about teaching in the upper grades if you do, or say, something off-beat they tend to remember it. Even if it is completely unintentionally off-beat, or strange, or quirky, or weird, they’ll
I have found that even 5th graders still seem to struggle with equation vocabulary: Product, sum, difference, etc. So, I made Parts of an Equation which contains a fold-up for addition, subtraction, multiplication and