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Add & Subtract Fractions: Subtract from Less Than 1 Whole

by Conceptua Math

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Subject: Math

Grade: Elementary

User Access: Student, Teacher


Conceptua Math is an online Common Core curriculum that transforms the teaching and learning of mathematics.

Topic 2 of the Add & Subtract Fractions unit is "Subtract from Less Than 1 Whole." It contains lessons to reinforce basic concepts of the part/whole relationship of fractions. Students subtract like fractions that have subtrahends less than 1 whole. They apply their understanding of numerator and denominator to compare and estimate the differences of one or more equation. Strategies such as comparing denominators, comparing numerators, and using benchmarks to determine location on a number line are reinforced.

Common Core Standard(s): 4.NF.3

"Subtract from Less Than 1 Whole" contains 4 lessons (approximately 1 period of instruction per lesson).

Lessons include:
- Subtract Unit Fractions
- Estimate Differences of Proper Fractions
- Subtract Proper Fractions
- Compare Differences of Proper Fractions

Every lesson is supported by:
- Whole class Lesson Opener and Closer to encapsulate the lessons with a rich class discussion
- Embedded strategic feedback and video support for students
- Adaptive teaching for differentiated instruction and remediation
- Skills checks assessment

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