Kit A

Place value of numbers through the billions is analyzed and described. Properties of numbers are applied to addition and subtraction. Algorithms for operations on whole numbers are analyzed for efficiency and reasonableness. Estimates are made and revised. A variety of manipulatives including collections, cards, and cubes are included in the kit.

Kit B

Fractions, decimals, and numbers less than one are represented in pictures, words, and symbols. Properties of numbers are applied to multiplication and division. Problem solving strategies are planned, described, tested, and revised. Probability is explored in this kit. Manipulatives include number lines, cards, objects, and game pieces.