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Teaching the Angle Sum Theorem in Triangles

Missing angles in a triangle leads us to the angle sum theorem which states that there are 180˚ in every triangle.  Really???  In EVERY...

Mathematical Allusions in Shantaram (Part 3) – Mean Green Math

I recently finished the novel Shantaram, by Gregory David Roberts. As I’m not a professional book reviewer, let me instead quote from the Amazon...

Pythagorean Theorem Calculator

The Pythagorean theorem calculator will help you find the missing side when two sides are given with ease. Just enter two values in the...

10th Grade Math Test

Print your 10th grade math test before you start. The test has 40 questions, but it is very comprehensive! For those who love math,...

Names of Three Digit Numbers | Place Value |2

How to write the names of three digit numbers?(i) The name of one-digit numbers are according to the names of the digits 1 (one), 2 (two),...

3 Circle Venn diagram – Definition and Examples

A 3 circle Venn diagram, named after the English logician Robert Venn, is a diagram that shows how the elements of three sets are...

3-digit Numbers on an Abacus | Learning Three Digit Numbers

We already know about hundreds, tens and ones. Now let us learn how to represent 3-digit numbers on an abacus.We know, an abacus is a...

3rd Grade Math Concepts or Skills

Find here many important 3rd grade math concepts taught in 3rd grade. Teachers, parents, and math tutors can also use them as a guideline...

Place Value | Place, Place Value and Face Value

The place value of a digit in a number is the value it holds to be at the place in the number. We know about...

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