👉 Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...

Algebra 49, 50 and 51 present three real-world problems which can be solved using systems of three linear equations in three variables. This chapter shows how the parameters of an equation for a parabola can be determined, given three...

👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...

Henderson-Hasselbalch Equation using mass balance equation for system of two equations with two unknowns

This video continues illustrating the 3 step problem solving plan for solving word problems. This video goes over 5 challenging examples illustrating how to translate word problems that contain three facts and three unknowns into equations.

This video introduces a 3 step problem solving plan for solving word problems. This video goes over 3 examples illustrating how to translate word problems into equations.

In this video, the teacher explains the commutative property of addition and how it can be used to solve addition problems with unknown add-ins or sums. The teacher provides examples and encourages students to reorder add-ins to make...

The Dunning-Kruger effect is a cognitive bias whereby the less someone knows about something, the more they overestimate their abilities in it! What is this ignorance of ignorance? And what can we do about it?

In this lesson, students will learn how to solve for unknown amounts using the commutative property of multiplication. They will understand that the order of the factors can be switched without changing the product.