ADDITION AND SUBTRACTION STRATEGIES

Submitted by michellelefrancois on

Addition and subtraction may sound easy for middle schoolers, but what if you are missing some digits? What if you want to maximize or minimize a result? This plan focuses on some common types of MATHCOUNTS problems in which Mathletes will need to apply number sense and logic to a variety of scenarios.

Math topic
CCSS (Common Core State Standard)
Difficulty