A series of fundamental subtraction strategies including counting back, using addition facts, and halving, have been sequenced to maximise the studenta#39;s confidence in subtracting and ability to subtract simple number facts from 20 and beyond. ... students to gradually begin building a repertoire of known number facts and provide a foundation for introducing other operations and numeration concepts^.
Title | : | Subtraction |
Author | : | |
Publisher | : | R.I.C. Publications - 2003 |
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