What Is Estimation? 3 Mental Math Strategies Every Grades 3–5 Student Should Know
Mathnasium education specialists explain what estimation is and walk through three mental math strategies every Grades 3–5 student should know.

Mathnasium of Desert Ridge is a math-only learning center for K-12 students in Phoenix, AZ. Trusted by over a million parents, Mathnasium uses personalized learning plans and the proprietary Mathnasium Method™ to help students catch up, keep up, and get ahead on their math journey.
Our specially trained tutors deliver face-to-face instruction in a supportive and fun small-group environment, working with students both in center and online to develop a deep understanding of math, build confidence, and improve academic performance.
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