Reflection: Modeling Adding and Subtracting Integers on a Number Line - Section 5: Getting Pushed Back


For this section, I showed a clip of the patriots getting a gain of yards on one play and then Brady getting sacked on the next play.  I asked students how a team can lose yards, or get pushed back from their end zone, in football.  Students mentioned penalties, sacks, and getting pushed back by the defense. 

I explained that when there is a subtraction sign, the team of the second number is losing yards, or getting pushed back.  I explained that in problem one, the negative team drives -3 yards for the first play.  Then during the second play, the yellow team intercepts the ball.  But since it is subtracting 2, that means that the yellow team gets pushed back 2 yards, away from their end zone. 

For problem 2, I asked students who had possession of the ball on the first and second play.  A common mistake was for students to think that the second play involved the red team.  I called for volunteers to help me act out the problem.  They started at the 0 yard line and gained 3 yards towards their end zone.  Then in the second play, their quarterback was sacked and they lost five yards.  The play ended at the -2 yard line.

  Loss of Yards
  Modeling: Loss of Yards
Loading resource...

Adding and Subtracting Integers on a Number Line

Unit 3: Integers and Rational Numbers
Lesson 5 of 17

Objective: SWBAT: • Add and subtract integers using a number line

Big Idea: What happens when you add positive 5 and negative 3? What happens when you subtract positive 2 from negative 3? Students work with a number line and football to model adding and subtracting integers.

  Print Lesson
28 teachers like this lesson
Math, Integers, Number Sense and Operations, number line, 6th grade, master teacher project, adding integers, subtracting integers
  60 minutes
unit 3 4 image
Similar Lessons
What is the Sign of the Sum?
7th Grade Math » Rational Number Operations
Big Idea: Students model sums with counters to create a visual model of when a sum will be positive, negative or zero.
New Orleans, LA
Environment: Urban
Grant Harris
Adding and Subtracting Integers
Algebra I » Numeracy
Big Idea: Students will conceptualize the addition and subtraction of integers with a number line and counter chips.
Washington, DC
Environment: Urban
Noelani Davis
Modeling Addition - Opposites Attract, You Know?!
7th Grade Math » Operations with Rational Numbers
Big Idea: Do opposites really attract? Read more to find out…
Elon, NC
Environment: Suburban
Heather Stephan
Something went wrong. See details for more info
Nothing to upload