Number Skills and Rounding Post author By Harriet Driver Post date December 1, 2020 Current Status Not Enrolled Price Free Get Started Login to Enroll Learn how to carry out calculations in a variety of ways using estimation, approximation and much more! Course Content Expand All Positives and Negatives 1 Module Expand - Content Positive and Negative Numbers Estimation and Approximation 1 Module Expand - Content Estimation and Approximation