Complete the following on loose-leaf to turn in tomorrow.
5. Use the basic rules of arithmetic to rewrite each calculation more simply. Do not use a calculator.
a.) 2 * (473 * 5) b.) 12 * 199
c.) 42 * 203 d.) 4 * 27 * 5 * 3
6.) Find each result.
a.) 15 * 3 + (-6) b.) 15(3 + (-6)) c. 15 + 3 (-6)
d.) 15 + (-6)3 e.) 15 + (-6)3 + (-15)
What strategies did you use to make these problems easier?
Show how each of the following is true.
a.) (5+3) (5-3) = 5 * 5 - 3 * 3
b.) (4+5) (4-5) = 4 * 4 - 5*5
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