Students must be able to add and subtract, any combination of whole numbers, fractions, and decimals with ease and efficiency.
Example
In 2012, the DFW area recorded 1 3/4 inches of rain in September, 1.02 inches in October, and 1/20 of an inch in November. If it rained 2 inches in June, how much more rain was recorded in September and October than in June and November?
5.3 Number and operations. The student applies mathematical process standards to develop and use strategies and methods for positive rational number computations in order to solve problems with efficiency and accuracy. The student is expected to: