Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...

We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...

LAREDO, Tex. (KGNS) - A third-grade student from San Isidro Elementary was selected for the 2025 National Math Stars program.

In contrast to contemporary estimation researchers who have focused primarily on children's computational estimation abilities, we examined the ideas surrounding the teaching and learning of ...

Learn activities for third grade math to prepare for school. Teach your children 3rd grade math skills like fractions, multiplication tables and division.

Aaron Garza, a third grader at San Isidro Elementary, has been selected for the 2025 National Math Stars program, which identifies mathematically extraordinary learners and provides each with more ...