May 03, 2011 · In third grade math, teachers mainly emphasize compatible numbers in addition and subtraction. Compatible numbers are numbers that are easy to work …

3rd grade compatible numbers. Compatible numbers are numbers that are close to the actual numbers and easy to add, subtract, multiply, or divide mentally.

Quiz *Theme/Title: Compatible Numbers * Description/Instructions ; Compatible numbers are numbers that are close in value to the actual numbers and easy to add ...

This page provides examples of 4th Grade Number Activities aligned with the Common Core State Standards. All activities are suitable for use in Math Centers, small ...

Our class will be learning how to add and subtract fractions and mixed numbers over the next few weeks. First, we will use models to find the sums or the differences.