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 30 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
Gracias!

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

The open ocean is the most extensive biome on earth. The open ocean is the most extensive biome on earth.
The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri
Norman Bel Geddes, with Dr. Otto Koller, Air Liner Number 4. Norman Bel Geddes, with Dr. Otto Koller, Air Liner Number 4.
Free Energy Rules: The Second Law in Open Systems Free Energy Rules: The Second Law in Open Systems
physics question number 5 - moving conductors physics question number 5 - moving conductors
Copy-number variants Copy-number variants
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library