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Updated by Brad Boykin on Nov 28, 2014
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Brad Boykin Brad Boykin
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4.OA.1 and 4.OA.2 Videos

Multiplication as Comparison (# Sentences) M.4.OA.1.C

This lesson was created to be used in a 4th grade flipped Math class. (Slides provided by LearnZillion)

Bar Models and "Times as Many" (M.4.OA.1.B)

This video was created to be used in a 4th grade flipped Math classroom. (Slides provided by LearnZillion)

Singapore Math - Multiplication Part 1

This video shows how to use Thinking Blocks to model and solve a word problem in which two amounts are compared. The modeling tool can be found at http://www.mathplayground.com

Multiplicative Comparison using writing

Be careful with the second example. Look at how they used an equation to determine the answer to the questions.

Writing Equations with Multi Comparison Prob

This video solves 3 problems. They each have an equation that is slightly different. Pay attention to how we use the vocabulary to help us write an equation.

Multiplicative Comparison

A couple of example problems using multiplicative comparisons.