There are three parts to every equal groups problem: the number of groups, the size of the groups, and the total number of objects. If the number of groups is unknown, the problem is called
a. a multiplicative comparison problem.
b. a partitive division problem.
c. a fair-sharing problem.
d. a measurement division problem.
Question 2...In the five-stage development of place value, what is stage 2?
a. Children associate two-digit numerals with the quantity they represent.
b. Children construct true understanding of place value.
c. Children can identify the positional names but do not necessarily know what each digit represents.
d. Children can identify the face value of digits in a numeral.
Question 3...The placeholder numeral in the Hindu-Arabic numeration system lies in the genius of this symbol.
a. five
b. ten
c. one
d. zero
Question 4...After children have practiced modeling join and separate problems using manipulative materials, Ms. Payne wishes to move on. Which would be the most appropriate next step for her class?
a. have children create their own story problems using manipulatives
b. teach children the symbolic representation for these problems
c. demonstrate word problems using a number line
d. have children use pictures to demonstrate problems
Question 5...In numeration systems, sets of numbers are represented by particular symbols that are called
a. numerals
b. digits
c. ones
d. tens
Question 6...Ms. Lee's class read some books. The boys read 12 books, and the girls read 2 more books than the boys. How many books did the girls read? This is an example of which type of problem?
a. join
b. separate
c. part-part-whole
d. compare
Question 7...Sometimes students become confused when working on rounding problems. How can a teacher help her students master rounding?
a. require students to memorize the rule for rounding so that they can recite it fluently
b. give lots of problems to work in class and for homework
c. have students use their calculators to round numbers
d. allow students to use base-ten blocks or number lines to visualize the numbers
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