For each problem, decide whether it is a PPW-WU or PPW-PU. Click here for answers.
1. Ellen has 2 toy animals. Shauna has 6 toy animals. How many toy animals do they have altogether?
2. There are 8 children swimming in the pool. 2 of the children are girls. How many of the children are boys?
3. Paula has 10 green Jolly Ranchers and 3 purple Jolly Ranchers. How many Jolly Ranchers does she have in all?
4. There are 10 toy animals in the toy box. 7 of the toy animals are stuffed and the rest are hard plastic. How many of the toy animals are hard plastic?
5. There are 18 bouncy balls in the toy box. 9 of the bouncy balls are green and the rest are blue. How many of the bouncy balls are blue?
6. There are 10 crystal rocks in the collection, and 8 polished rocks in the collection. How many rocks are in the collection?
Decide for each statement whether it is true or false.
9. Part-Part-Whole problems can all be solved using the same direct modeling strategy as Join (result unknown) problems.
10. Children figure out how to solve Part-Part-Whole problems later than Join and Sparate (result unknown) problems, because there isn't an action taking place in the problem to guide them on how to act out the problem.
11. Some kindergarten aged children don't understand part-part-whole problems, and what the problem is asking for.