Games and projects introduce the number system, starting with place value and ending with the four operations--addition, subtraction, multiplication, and division.
"Explores patterns in nature and in numbers through games and projects using codes, algebra, and arithmetic."
"Games and projects introduce the number system, starting with place value and ending with the four operations--addition, subtraction, multiplication, and division."@en
"Games and projects introduce the number system, starting with place value and ending with the four operations--addition, subtraction, multiplication, and division."
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