Opposite Quantities Combine to Make Zero

Find the cards that get to zero. The lesson introduces the class to the idea of adding integers. Pupils use a number line to count up and count down when adding. They play a game to collect cards that will sum to zero. 

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Use two-sided counters to help visualize numbers that combine to make zero
Classroom Considerations
  • Requires access to number lines
  • Make the cards for the integer game prior to teaching the lesson
  • The introductory lesson in a 25-part series
Pros
  • The answer key shows the jumps on the number lines
  • Contains suggestions on how to use number lines within the classroom
Cons
  • None
Common Core