Fraction Butterfly Anchor Chart - cross multiply to find equivalent fractions to compare fractions or add & subtract fractions with different denominators. A visual reminder of the strategy for adding & subtracting fractions found in the CCSS 5.NF.A.1 (a/b + c/d = (ad + bc)/bd). See http://www.corestandards.org/Math/Content/5/NF/A/1/. This is not intended to be taught on its own, but can serve as a reminder after the concepts that explain why this works have been taught.
Need to brush up on your knowledge of math integers? Play a game of Jeopardy as a group, individual, pairs, or a group of three or four. Concepts such as adding, subtracting, multiplying, and dividing integers are all covered in this game. Questions vary in rigor based upon the dollar value, allowing you to