GRADE 2 MATH · CHAPTER 3
Geometry & measurement
Study each lesson in order, or choose the idea you need today.
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Measurement
Find the difference between two lengths
Subtract measurements in the same unit to compare lengths.
AN EXAMPLE FROM THIS CHAPTER
A blue strip is 12 cm long and a green strip is 8 cm long. How many centimeters longer is the blue strip?
Show answer & explanation
4
Both measurements use centimeters. Subtract: 12 − 8 = 4 cm.
Curriculum & source notes
These are original Little Play study books organized around U.S. school topics. The official curriculum references below guide topic scope and progression. Coverage is selected, not a complete curriculum or a verified match to every state standard. They are not copies of a publisher’s textbook. Check your school’s syllabus and book edition.
High-school courses can be taken in different years. Choose the topic that matches the student’s current course.
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