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 Interactive Checkpoint
 Less than and Less than or equal to:  Symbols that describe a relationship in which the expression on the left is less than the expression on the right.

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Graded Response

 a) The numbers in the set: {-2, -6, 0, 2, 4} are all ________ the number 4.
 a)
 b) In the equation, x-4 < 10, the inequality is true for values of x less than __.  b)
 c) How many positive odd numbers are less than or equal to 7?  c)
 d) Simone has $40 to go buy lunch for his family. If he has to bring more than half of the money home, Simone can only buy food that is ____.  d)