Wh.Nmbrs&Op’s
Area Model Multiplication Song
This Area Model Multiplication Song is useful because it is visual, conceptual, has some examples, and is a song. We (and elementary students) do this in class with Base Ten Blocks.
The 15 Addition and Subtraction Problem Types for Second Graders
There are 15 scenarios that lead to a one-step addition or subtraction solution. Click here for the ‘mini-assessment’ that can be used with second graders. The first second grade CCSSM standard is 2.OA.1. It leads to these 15 problem-types! Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of …
Kids Draw Factor Trees
Check out this web page in which students drew factor trees. Interdisciplinary learning activity. Art and Math!! http://pinkmathematics.blogspot.com/2013/02/important-factors.html A couple examples. Note the Primes!!:
Long Division Videos
See This Page for 5 videos on long division. Basics of long division (introduction). Long division applet at www.thegreatmartinicompany.com. Long division with remainders – remainders, mixed numbers, and decimals. Long division with decimals. Converting fractions to mixed numbers and decimals. http://faculty.wiu.edu/JR-Olsen/wiu/BootCamp/Videopages/video4.htm
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