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This pattern will (or will not) end because…
8, 4, 0, -4, -8… Find three different ways to describe the number pattern. Create another pattern that could be described in at least three ways.
How do you decide when to use an estimate and when to find an exact answer?
Front-end estimation is a useful strategy. How do you use it with decimals or whole numbers?
I used to think a factor was… Now I know that a factor is…
Tanya rounded a fraction to 1/2. What fraction(s) could she have rounded? Why?
Jason said, “All numbers have an even number of factors.: “No, they don’t,” said Brad. “Some special numbers have an odd number of factors.” Why would Brad say that? What was he talking about?
Sasha said, “One is the smallest prime number.” Jeri said, “No, two is the smallest prime number.” Who do you agree with? Justify your choice.