Grade 7 Math lesson plan: Adding and subtracting rational numbers

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Planning notes for this lesson

Prerequisite skills to check: absolute value as distance from zero (6.NS.C.7); ordering integers on a number line; adding and subtracting positive fractions and decimals.

Key vocabulary: rational number, integer, absolute value, additive inverse, opposite, number line, positive, negative.

Warm-up idea: Show a weather map with a morning temperature of -3°F that rises 12° by afternoon, and ask students what the new temperature is and how they know.

Exit ticket idea: Students represent three addition or subtraction problems with rational numbers on a number line, explain one sum using distance and direction (7.NS.A.1b), and rewrite one subtraction as adding the opposite (7.NS.A.1c).

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Grade 7 Adding and subtracting rational numbers quiz prompt →