By 10, by 9, by 5, by 3, and by chunks. This unit contains tricks for multiplication and for checking your work. A playful (and very useful) approach to multiplication. This unit is presented at three levels of varying complexity.
"Tracy collects forty-eight icicles for her science class. They are twenty-five inches long on average. What is the total length of the icicles Tracy collects?" Five winter-themed multiplication word problems.
A poster about the Properties of Equality includes: Addition Property of Equality, Multiplication Property of Equality, Reflexive Property of Equality, Symmetric Property of Equality, and the Transitive Property of Equality.
"Cowboy Jake is afraid of rattlesnakes. He sees a lot of them on the ranch where he lives. In fact, he sees an average of thirty every year. About how many has he seen in the nine years he has lived on the ranch?"
"Greg and his friends are making Thanksgiving decorations. Each child makes five. How many do four children make? How many do five make? How many do six make?" Five Thanksgiving-themed skip counting (by fives) word problems.
Kyle had four bags of candy that he bought for $1.50 per bag. Each bag has six pieces of candy in it. How many more bags does he need to buy to give each of his twenty-five classmates one piece? How much will it cost altogether? Six word problems.