Using the “Division as Grouping” Notebook file, explain division as making groups of equal amounts from a larger amount. Using counters and looking at problems and number sentences in the Notebook file, work with the class to explore division as grouping!
Complete with a teacher's page PDF, a "Grouping" reproducible, and a launch-and-learn Notebook file, this mini-lesson helps to achieve the following learning objectives:
• Represent repeated subtraction (grouping) as division.
Grades 2 - 3
This mini-lesson meets the following Common Core State Standards for Mathematics:3.OA.2: Interpret whole-number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each.3.OA.3: Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities.This mini-lesson also meets the following NCTM Standards:• Understand situations that entail multiplication and division, such as equal groupings of objects and sharing equally.• Understand various meanings of multiplication and division.• Understand the effects of multiplying and dividing whole numbers.