Writing and Evaluating Expressions with Formulas and Variables
Maths
+3
Science
ICT
Music
Year 5 - Year 12
Premium
L
LearnZillion Math
powered by
Maths Resource Description
This video teaches how to write and evaluate algebraic expressions for formulas that contain variables. It uses examples, such as finding the perimeter and area of a square with sides of 2 times x, and calculating speed using the formula distance divided by time. The video emphasizes the importance of correctly substituting given values for variables to get the correct expression or answer.