Children are involved actively in the study of mathematics: They are
doing tasks that involve investigation, application and interpretation. They
are talking about and writing explanations for their mathematical reasoning.
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Algebra: A form of advanced arithmetic in which letters of the alphabet
represent unknown numbers. Children use simple algebra when they solve a
problem such as 4 + ? =7 (a problem they would phrase as “4 + x = 7” when
they get older and begin to study algebra).
Arithmetic: A branch of mathematics taught to youngsters in elementary
school. It deals with numbers and how to use them in the operations of
addition, subtraction, multiplication and division.
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