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Grade 2 (ages 7 to 8) · Math

Addition and subtraction word problems within 100

Part-whole and comparison bar models for putting together, taking from, and comparing, with the unknown in any position

About three to four lessons of 40 to 55 minutes

Chalk illustration of a part-whole bar beside a comparison bar with a honey-gold gap showing the difference.
Bar models for word problems: A visual opener for modelling put-together, take-from and compare problems.
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