This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An open number can be used effectively for thinking about addition and subtraction. All of the ... (Read 49 times)

theo

  • Hero Member
  • *****
  • Posts: 698
on: Feb 18, 2021

Question 1

All of the statements below represent the differences between invented strategies and standard algorithms EXCEPT:
◦ A range of flexible options.
◦ Left-handed rather than right-handed.
◦ Number oriented rather than digit oriented.
◦ Basis for mental computation and estimation.

Question 2

An open number can be used effectively for thinking about addition and subtraction. All of the reasons below support the use of an open number line EXCEPT:
◦ Is less flexible than a numbered line.
◦ Eliminates confusion with hash marks and spaces.
◦ Less prone to computational errors.
◦ Helps with modeling student thinking.
Elementary and Middle School Mathematics: Teaching Developmentally ¦ Van de Walle, Karp, Bay-Williams ¦ 10th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by theo on Feb 18, 2021

lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
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.
Answer Preview
Only 25% of students answer this correctly


theo

  • Member
  • Posts: 698
Reply 2 on: Feb 18, 2021
Wow, this really help

Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

How stomatal pores open and close. How stomatal pores open and close.
Critical thinking and evaluation Critical thinking and evaluation
The number of research articles published on the topic of religious practices and spirituality have ... The number of research articles published on the topic of religious practices and spirituality have ...
Open-ocean systems vary in their biological diversity Open-ocean systems vary in their biological diversity
A Critical Thinking Guide and Checklist A Critical Thinking Guide and Checklist
Human Diseases Associated with Copy Number Variants Human Diseases Associated with Copy Number Variants
Video: Central Nervous System Animation

For a complete list of videos, visit our video library