Curriculum>Grade 2> Module 2>Topic D: Relate Addition and Subtraction to Length
Learn how to use a tape diagram to model a word problem involving lengths. Hints are given to help set up the diagram to create the correct expression to solve
A. Represent change in length as addition or subtraction
B. Add three measurements to find the total length of a path
C. Count to determine length of an object that isn't aligned to 0 on a ruler
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
G. Show the question/solution element of a word problem on a tape diagram and solve