52. Grade 2 icon
Task

Hitting The Target Number

Illustrative MathematicsVaries

The purpose of this task is to help students develop flexible strategies for adding and subtracting within 20. 'Computational fluency refers to having efficient, accurate, generalizable methods (algorithms) for computing numbers that are based on well-understood properties and number relationships'. Therefore, the focus in developing fluency should be more than the internalization of facts but on supporting students natural development of number sense so that they are able to solve computations flexibly and efficiently using their understanding of place value and relationships between numbers. Children's natural development of numbers progress from the concrete to the abstract, from counting all.

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