8. Make sketches of work with base-ten materials to support the usual algorithm for calculating each of the following. (Hint: Is repeated subtraction or sharing equally more practical in each case?) a. 396 + 3 b. 252 + 4 G. 187 + 4

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.