When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

Use Base-Ten diagrams and standard, expanded, and word forms to represent numbers. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One ...

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth-grade ...

Mathematics is often about uncovering patterns. For example, certain areas of topology revolve around categorizing knots or geometric shapes, and number theory explores properties such as the ...

If you’ve ever heard the phrase “the music of the spheres,” your first thought probably wasn’t about mathematics. But in its historical origin, the music of the spheres actually was all about math. In ...

The transcendental number π is as familiar as it is ubiquitous, but how does Euler’s number e transcend the ordinary? 4 pieces: 2.5 × 2.5 × 2.5 × 2.5 = 39.06 5 pieces: 2 × 2 × 2 × 2 × 2 = 32 6 pieces: ...

The Hechinger Report covers one topic: education. Sign up for our newsletters to have stories delivered to your inbox. Consider becoming a member to support our nonprofit journalism. What happens to ...

Whether you’re trying to teach a young kid how to count or struggling through an advanced college math class, there are several apps that can make math less painful. This list focuses on iOS math apps ...