N1D5TNp11

 

Answers to Problem 11:

1.   O

2.   O

 

 

TEACHER NOTES:

“Throughout their study of numbers, students in grades 3–5 should identify classes of numbers and examine their properties.”[1]


 

[1] National Council of Teachers of Mathematics. (2000). Principals and standards for school mathematics (p. 151). Reston, VA: Author.