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Author Question: What statement is true about adding and subtracting with unlike denominators? (Read 51 times)

WWatsford

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on: Feb 18, 2021

Question 1

What is one of the methods for finding the product of fractional problems when one of the numbers is mixed number?
◦ Change to improper fraction.
◦ Compute partial products.
◦ Linear modeling.
◦ Associative property.

Question 2

What statement is true about adding and subtracting with unlike denominators?
◦ Should be introduced at first with tasks that require both fractions to be changed.
◦ Is sometimes possible for students, especially if they have a good conceptual understanding of the relationships between certain fractional parts and a visual tool, such as a number line.
◦ Is a concept understood especially well by students if the teacher compares different denominators to "apples and oranges."
◦ Should initially be introduced without a model or drawing.
Elementary and Middle School Mathematics: Teaching Developmentally ¦ Van de Walle, Karp, Bay-Williams ¦ 10th Edition
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Marked as best answer by WWatsford on Feb 18, 2021

Ahernandez18

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Reply #1 on: Feb 18, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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WWatsford

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Reply 2 on: Feb 18, 2021
Wow, this really help

juliaf

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Reply 3 on: Yesterday
Gracias!

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