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.
Cindy had a summer job bathing dogs. She earned $5.25 for every dog she bathed. She bathed 17 dogs every week. How many dogs did she bathe in two weeks?
"Bud is helping his mother bake an apple pie for Thanksgiving dinner. He peels the apples. It takes him two minutes to peel an apple. How long does it take him to peel seven apples?" Five Thanksgiving-themed multiplication word problems.
"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.
"Eddie can pick and clean ten pumpkins per hour. How many can he do in four hours? How many in five? How many in six?" Five Thanksgiving-themed skip counting (by tens) word problems.
"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.
Brooke has eleven flowers. She has more tulips than roses. What are the possible combinations of tulips and roses, if she only has these two types of flowers? Six word problems.