Substitution for Variables in Expressions - Hockey Theme - Game Tips: - Get 5 correct answers and see the substitute skater ! - The word 'expression' in Mathematics has a very general meaning.    An expression can be any mathematical form using symbols.   For example: (y+5) - The expression (y+5) uses the variable 'y'.    The variable 'y' is a 'place holder' or symbol representing a member of a set. - In this game, a variable such as 'y' represents a number from the whole number set. - The focus of this game is to substitute the number value of a variable, such as y=7    into an expression containing the variable, such as (y+5)    in order to evaluate the expression.    In this case it's (7+5) = 12. - It may take a minute to load the game at dial-up speeds. - The game can be played using the mouse by itself or using the keyboard by itself. - If the game doesn't respond to keyboard input, click inside the game area to reset the game's focus. - The game speeds up as your score increases. Adjust this with the - and + keys. Back to SliderMath.com   Copyright © All Rights Reserved.
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