Ways to break apart numbers to solve addition & subtraction equations in a fact family. In this lesson, Julia reviews the ways to make 10 and how we can use these ways to break apart numbers to solve ...

Students put all of their addition and subtraction skills together to solve equations. In this lesson, students put all of their addition and subtraction skills together to solve equations. Julia ...

Centre of Pedagogical Innovation (Capsule), Sorbonne University, Paris, France. When we print out a list of primes, we have the impression that the primes appear at random, with no regular rhythm.

An operation is a mathematical process. Common examples are addition (+), subtraction (-), multiplication (x) or division (÷). An inverse operation is the opposite of the operation used in the ...

Algebra is all about missing values or numbers. If you have solved a missing box problem, you have already solved an algebra equation. Rather than drawing missing boxes or writing the words “missing ...