Previous Standard
Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.
Next Standard
Understand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing real-world contexts.
Worksheets
![7.ns.1a Worksheets - Standard Form worksheet 7.ns.1a Worksheets - Standard Form worksheet](/math/negative/add - sub/english/thumb.png)
![7.ns.1a Worksheets - Standard Form worksheet 7.ns.1a Worksheets - Standard Form worksheet](/math/negative/add - sub/english/thumb.png)
![7.ns.1a Worksheets - Standard Form With Numberline worksheet 7.ns.1a Worksheets - Standard Form With Numberline worksheet](/math/negative/add - sub numberline/english/thumb.png)
![7.ns.1a Worksheets - Standard Form With Numberline worksheet 7.ns.1a Worksheets - Standard Form With Numberline worksheet](/math/negative/add - sub numberline/english/thumb.png)
![7.ns.1a Worksheets - Adding & Subtracting to Zero worksheet 7.ns.1a Worksheets - Adding & Subtracting to Zero worksheet](/math/negative/adding and subtracting to zero/english/thumb.png)
![7.ns.1a Worksheets - Adding & Subtracting to Zero worksheet 7.ns.1a Worksheets - Adding & Subtracting to Zero worksheet](/math/negative/adding and subtracting to zero/english/thumb.png)