Make sure you are confident in calculating with negative numbers, which is a skill often needed to solve equations. To solve the equation, do the inverse operation. The inverse of multiplying by 12 is ...

This video addresses Common Core Grade 3 Standard Operations & Algebraic Thinking. WSKG is here to help you help your child understand the basic concepts of the common core curriculum with our Good To ...

Solve one-step word problems using a visual model & a problem-solving process. Warm up with a Mystery Math Mistake to hunt for the mistake in adding two 2-digit numbers using a decomposition strategy.