The ________ property is valuable because it cuts the number of multiplication/addition facts to be learned in half
A) Commutative.
B) Associative.
C) Zero.
D) Distributive.
Answer: A
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Consider this learning activity for the topic: Understanding the number 5. What kind of activity is it? Before the students arrive, arrange many groups of five objects. You might arrange a group of 5 books on a shelf, 5 pencils on your desk, 5 chairs grouped together, a picture of 5 people on the bulletin board, 5 thumbtacks in a group on the bulletin board, etc. After the students have arrived,
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