Julia is evaluating the expression 17 times 144 If she uses the distributive property to rewrite the expression with friendlier numbers, which expression can be a step in her work?
Which equation illustrates the commutative property of addition?
Which property is illustrated by the equation 3 times m n is equal to 3 m times n ?
Patti is using mental math to evaluate the expression open paren 70 plus 12 point 8 plus 30 close paren plus 6 point 1 She recognizes that the expression will be easier to simplify if she can combine 70 and 30 before she works with the other numbers. Which should she do first?
Morgan rewrote the expression 90 plus open paren 10 plus 4 point 8 close paren as open paren 90 plus 10 close paren plus 4 point 8 How will this change the work that is needed to evaluate the expression?
Colin drove 45 minutes to the airport. He arrived 90 minutes before his flight departed, and then he spent 70 minutes in the air. Once he landed, Colin spent 20 minutes gathering his luggage, and then he drove 35 minutes to his hotel. What must be true of any expression that represents the total time that Colin spent traveling from his house to the hotel?
Which statement is true about the expression 12 minus 7 plus 3 ?
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