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Finding Common Denominators to Subtract
Unrestricted Use
CC BY
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This task asks students to use two different denominators to subtract fractions. The purpose of this is to help students realize that any common denominator will work, not just the least common denominator.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
08/01/2012
Gr 5 C5 Lesson Nautical Fractions
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this lesson, students will use nautical flags to apply their understanding of addition and subtraction of fractions with unlike denominators within context. This is remixable if you provide additional supports for the range of learners.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson Plan
Date Added:
11/16/2019
Gr 5 C5 Task Baking Cookies
Conditional Remix & Share Permitted
CC BY-NC-SA
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This task allows students to explore a situation involving the estimation, addition, and subtraction of fractions with unlike denominators. This is remixable by adding student work or you can upload a new resource also aligned to this standard.

Subject:
Mathematics
Material Type:
Activity/Lab
Formative Assessment
Date Added:
11/16/2019