Have your students actively practice their regrouping skills in addition and subtraction. This product comes with 4 recording sheets and 24 task cards to be posted around your classroom. These task cards include problems that involve require tens and hundreds and problems that require composing ones to make tens or composing tens to make hundreds. There are also 4 exercise cards for brain breaks. There are 24 task cards so that students may move from card to card at their own pace.