Students work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.

Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...

Engage your kindergarteners in a center-based lesson plan which provides experience and exposure to the connecting and symbolic levels of subtraction. This excellent lesson plan has many wonderful activities and handouts included for...

First graders engage in a lesson that gives the research basis for the use of manipulatives for the basic operations in mathematics. They use the variety of tools to solve basic problems. The lesson has valuable resource links for the...