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Author Question: An intuitive idea about long division with two digit divisors is to round up the divisor. All of ... (Read 92 times)

dmcintosh

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Question 1

A number line can be helpful with teaching this estimation strategy.
◦ Front end.
◦ Compatible.
◦ Rounding.
◦ Mental computation.

Question 2

An intuitive idea about long division with two digit divisors is to round up the divisor. All of examples below support this idea EXCEPT:
◦ Think about sharing base-ten pieces.
◦ Underestimate how many can be shared.
◦ Pretend there are fewer sets to share than there really are.
◦ Multiples of 10 are easier to compare.


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Marked as best answer by dmcintosh on Feb 18, 2021

shoemake

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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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dmcintosh

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Reply 2 on: Feb 18, 2021
YES! Correct, THANKS for helping me on my review


bigcheese9

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Reply 3 on: Yesterday
Excellent

 

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