SHARED STUDY GUIDE
Chapter 1
Two strips of paper are placed end to end. How much longer is the yellow strip of paper than the red strip?
14 cm
9 cm
4 cm
5 cm
The red strip measures 5 cm.
The yellow strip measures 10 cm.
Subtract the red strip length from the yellow strip length: 10 cm - 5 cm = 5 cm.
The yellow strip is 10 cm long, and the red strip is 5 cm long. The difference in length is 10 cm - 5 cm = 5 cm.
Length difference = Length of yellow strip - Length of red strip
REMEMBER
To find how much longer one object is than another, subtract their lengths.
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