The Number SystemApply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.1Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.aDescribe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged.
Worksheets
Example (Hover to Enlarge)DescriptionDownload7ns1aStandard Form M
Each worksheet has 20 problems adding and subtracting with negative numbers.