Number Stories and Arrays
By the end of this unit students will be able to:
Interpret multiplication in terms of equal groups by drawing arrays or equal groups to match number stories.
Use drawings to interpret whole number quotients of whole numbers.
Solve word problems in situations involving equal groups and arrays by using drawings, repeated addition, or skip counting to represent the problem.
Fluently multiply using strategies for all products of one digit numbers and 1, 2, 5, and 10.
Make sense of a represent two step number stories involving addition and subtraction.
Add and subtract within 1000 using tools along with strategies based on place value and/or the relationship between addition and subtraction.
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Lesson2-1 Fact Extensions
Lesson 2-7 Solving Problems with Arrays