Multiple Choice
Which problem represents the separate,start unknown structure?
A) Maryann had 3 library books before she checked out 2 more.How many did she have all together?
B) Maryann had 5 library books before she returned 2 of them.How many does she have now?
C) Maryann had some nonfiction books and 2 fiction.She now has 8 books.How many did she begin with?
D) Maryann had 9 library books and Jim had 4.How many more did Maryann have than Jim?
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Identify the statement that is describes the
Q10: Identify the reason why the equal sign
Q11: What is the importance of students knowing
Q12: What statement identifies the importance of using
Q13: A good lesson built on a context
Q15: The use of model-based problems that students
Q16: Complete this statement,"Constructing models of arrays draws
Q17: What statement below is the description of
Q18: Problems with the join and separate structures,with
Q19: Present and discuss two reasons for using