British Columbia Grade 3 Math I use this project when I start my multiplication unit to teach repeated addition, groups of, commutative property, and arrays. You could also replace one with a multiplication word problem and picture.
fraction basketball, let them roll a dice to see how many times each person will "shoot" then record shots made as a fraction. Person with the biggest fraction wins. LOVE this idea, except instead of shooting "basketballs" I wanna set up angry birds!
Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.