Instead of just telling students to “add a zero” when you mu…
Instead of just telling students to “add a zero” when you multiply by ten or a multiply of ten, you take the time to have students experiment with multiplying by the base value in Grade 3 using chip boards and base blocks. Hopefully, then when students are confronted with the polynomial multiplication of
Read DetailsA group of m roommates went to the grocery store and spent $…
A group of m roommates went to the grocery store and spent $150. Only one of the roommates likes the avocados they purchased at $2 each and will pay for them herself. Additionally, all but one of the roommates purchased concert tickets for a total of $500. In this context, what does the following expression mean if a represents the number of avocados purchased?
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