Subtracting Rational Numbers Using Number Lines

Subject: Math

Chapter: Adding and Subtracting Rational Numbers

CCSS Alignment: 7.NS.A.1.a, 7.NS.A.1.b, 7.NS.A.1.c...

You are watching a football match and tracking a player’s position on the field using a number line. The 50-yard line is 0.

The player starts at positive 2 and moves three point five units to the left. Moving 2 units left brings the player to 0. Moving one point five more units left brings the player to negative one point five.

This ...