Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ?

Kindergarten: ways to add subtract anchor chart model situations that involve the addition and subtraction of whole numbers, using objects, pictures, and symbols.

Two-Digit addition math stations / centers that are easy to implement. They come in four different levels and one without regrouping and with regrouping) and practice four different strategies to solve the problems. Perfect for second grade math stations.

How to multiply numbers numbers calculating the fast way! Using this method you will be able to multiply any pair of two and three digit numbers with each ot.