Curriculum>Grade 2> Module 2>Topic D: Relate Addition and Subtraction to Length

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Learn how to measure a length in centimeters when the 0 of the ruler is not aligned to an endpoint. First, the skip counting between centimeters is provided. Then, just the ruler is shown below the object

A. Represent change in length as addition or subtraction

B. Add three measurements to find the total length of a path

D. Subtract to determine length of an object that isn't aligned to 0 on a ruler

E. Use the difference between two numbers to measure a given object

F. Use a tape diagram to solve a +/- word problem involving length

G. Show the question/solution element of a word problem on a tape diagram and solve

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