# Addition and Subtraction of Integers and Rational Numbers Assessment

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Covers Standard 7.NS.A.1: Apply 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.
a. Describe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged.
b. 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.
c. Understand subtraction of rational numbers as adding the additive inverse, p – q = p + (–q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world contexts.
d. Apply properties of operations as strategies to add and subtract rational numbers.

Will include an exemplar test, and a grading rubric to make marking easier.

Test is 18 questions, 2 points each. Total of 4 pages.
1 hour should be given for the test.

Based on a work at http://greatminds.net/maps/math/module-pdfs.
Total Pages
8 pages
N/A
Teaching Duration
1 hour
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