Key Words:
algebraic expression
variable coefficient constant term operation substitute |
algebraisk uttryck
variabel koefficient konstant term operationer |
Key Concepts:
Evaluating for an Expression:
When you are ask to evaluate the expression 5x+8 when x=3, they are asking you to solve, by replacing the x with a value of 3. We substitute (or replace) the x with a value of 3.
So, 5x+8 = 5(3)+8 = 15 +8 = 23
When you are ask to evaluate the expression 5x+8 when x=3, they are asking you to solve, by replacing the x with a value of 3. We substitute (or replace) the x with a value of 3.
So, 5x+8 = 5(3)+8 = 15 +8 = 23
Videos & Slideshows:
Online Practice:
http://www.mathgames.com/skill/5.97-function-tables
https://www.mathsisfun.com/algebra/substitution.html
http://www.transum.org/software/SW/Starter_of_the_day/Students/Substitution.asp
http://www.bbc.co.uk/bitesize/quiz/q80364489
http://www.bbc.co.uk/schools/gcsebitesize/maths/algebra/indicesrev3.shtml
http://www.learnalberta.ca/content/mejhm/index.html?l=0&ID1=AB.MATH.JR.PATT&ID2=AB.MATH.JR.PATT.ALG&lesson=html/object_interactives/algebra/use_it.html
http://www.free-training-tutorial.com/math-games/algebra-expressions.html?1&
http://www.mathgames.com/skill/5.98-write-variable-equations-to-represent
https://www.mathsisfun.com/algebra/substitution.html
http://www.transum.org/software/SW/Starter_of_the_day/Students/Substitution.asp
http://www.bbc.co.uk/bitesize/quiz/q80364489
http://www.bbc.co.uk/schools/gcsebitesize/maths/algebra/indicesrev3.shtml
http://www.learnalberta.ca/content/mejhm/index.html?l=0&ID1=AB.MATH.JR.PATT&ID2=AB.MATH.JR.PATT.ALG&lesson=html/object_interactives/algebra/use_it.html
http://www.free-training-tutorial.com/math-games/algebra-expressions.html?1&
http://www.mathgames.com/skill/5.98-write-variable-equations-to-represent
At Home Practice:
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