Which of the following activities would be an appropriate method to assess a student's understanding of place value concepts through all of the stages mentioned by Ross?
a. have the student read a two-digit number
b. have the student represent a two-digit number using base-ten blocks
c. have the student tell the number of tens and ones in a given two-digit number
d. have the student write a two-digit number using expanded notation
d
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Which of the following is NOT a characteristic of the mean?
A. Add a score above the mean and the mean will increase. B. Add a score below the mean and the mean will decrease. C. Delete a score below the mean and the mean will increase. D. Delete a score above the mean and the mean will increase
List a few ideas for providing opportunities for students to practice counting groups of objects
What will be an ideal response?
How do physical conditions affect behavior?
What will be an ideal response?
Today we get about ____% of our protein from animal sources and ____ % from vegetable sources
a. 85; 15 b. 75; 25 c. 65; 35 d. 50; 50