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Author Question: This reasoning strategy is commonly used in high performing countries and takes advantage of ... (Read 74 times)

ap345

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on: Feb 18, 2021

Question 1

The statements below would assist students in thinking about how to solve 42 ÷ 7 EXCEPT:
◦ Seven times what is forty-two?
◦ 7 × ________ = 42
◦ What are the factors of 42?
◦ 7 + 7 + 7 + 7 + 7 + 7 + 7

Question 2

This reasoning strategy is commonly used in high performing countries and takes advantage of student's knowledge of combinations. Identify the equation that represents this strategy.
◦ 15 - 8, think 10 + 5 - 8, take from the 10: 10 - 8, add back on the 5 to get the answer.
◦ 14 - 8, take away 4 to get to 10, then take away 4 more to get the answer.
◦ 12 - 5, it takes 5 to get to 10 and 2 more to 12 and 5 + 2 = to get to the answer.
◦ 7 + 6, 5 + 2 is seven and 6 is 5 + 1, add 5 + 5 and add the 2 and 1 to get the answer.
Elementary and Middle School Mathematics: Teaching Developmentally ¦ Van de Walle, Karp, Bay-Williams ¦ 10th Edition
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Marked as best answer by ap345 on Feb 18, 2021

fraziera112

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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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ap345

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Reply 2 on: Feb 18, 2021
Gracias!

covalentbond

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Reply 3 on: Yesterday
Excellent

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