Description
Finding the Least Common Denominator (LCD) /Multiple (LCM) using the “Ladder Method” to help with Adding and Subtracting Fractions
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FREE
Highlights
Digital downloads
Grades
4th - 6th
Standards
CCSS4.NF.B.3b
CCSS5.NF.A.1
Pages
2
Answer Key
Included
Teaching Duration
30 minutes
Description
Finding the Least Common Denominator (LCD) /Multiple (LCM) using the “Ladder Method” to help with Adding and Subtracting Fractions
Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.
Reviews
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This activity was just what I wanted and needed for the task presented.
Thank you so much. My students loved this activity.
Due to the pandemic, my 5th graders this year came in with deficiencies in a lot of the core math areas from 4th grade. This resource has been extremely helpful in getting them caught up so we can work on the 5th grade standards!!!
Great!
We used this as notes for our math notebook. It was fantastic for this purpose!
Great Resource!
Thanks for sharing!
thanks
Questions & Answers
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Standards
to see state-specific standards (only available in the US).
CCSS4.NF.B.3b
Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model. Examples: 3/8 = 1/8 + 1/8 + 1/8; 3/8 = 1/8 + 2/8; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8.
CCSS5.NF.A.1
Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, 𝘢/𝘣 + 𝘤/𝘥 = (𝘢𝘥 + 𝘣𝘤)/𝘣𝘥.)
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