Question 1
3 / 3 pts
The problem below is an example of which type of subtraction situation?
Shafi has 21 rookie baseball cards, and Bandar has 12 cards. How many more cards does Shafi
have than Bandar?
comparison
Question 2
3 / 3 pts
When learning the meanings for multiplication and division, students:
model situations with stories, objects, and pictures.
Question 3
3 / 3 pts
Match the number operations with examples related to that operation.
Eight children get 3 cookies each.
multiplication
Question 4
3 / 3 pts
In primary grades, the emphasis is on the first three phases of number operations, which are:
concepts, strategies for number combinations, and accuracy with speed.
Question 5
0 / 3 pts
Assessment shows that many primary children interpret the equal sign as:
meaning "3 + 4 write the answer now 7."
meaning "3 + 4 is the same as 7."
meaning "3 + 4 is the opposite of 4 + 3."
meaningless.
Question 6
3 / 3 pts
Amber and Charlotte each ran a mile. It took Amber 11.79 minutes. It took Charlotte 9.08
minutes. Which number sentence can Charlotte use to best estimate the difference in their times?
Question 7
3 / 3 pts
Alex collected 22 pounds of aluminum cans. How many ounces of aluminum cans did he
collect?
352 oz.
Question 8
3 / 3 pts
Which statement best describes the computational skills children need to learn?
Students should learn a variety of computational processes including paper–pencil algorithms, estimation and mental arithmetic strategies, and technological
applications.
Question 9
3 / 3 pts
Suppose Mrs. Smith has 64 pieces of candy, and she wants to give out the pieces 4 at a time.
Which division definition would she be adhering to?
measurement division
Question 10
3 / 3 pts
The traditional algorithm for addition is accurately labeled:
regrouping and renaming.
Question 1
3 / 3 pts
The problem below is an example of what?
Eric has 23 cookies. He has 4 friends coming to his party. How many cookies does each friend
get?
partitive or sharing model for division
Question 2
0 / 3 pts
The problem below is an example of what?
Penelope’s 40-page stamp book has spaces for 35 stamps on each page. How many stamps can
she put in the book?
repeated addition model for multiplication
geometric interpretation or array model for multiplication
Cartesian cross-product or combination model for multiplication
measurement model for division
Question 4
3 / 3 pts
Modeling the inverse nature of multiplication and divisions might be done by:
putting five beans into each of 6 cups and separating 30 beans into 6 cups.
Question 5
3 / 3 pts
Skip counting by 3s, 4s and 5s:
may help children learn the multiplication facts.
Question 6
3 / 3 pts
Students took in cookie sales of $456, $537, $245, and $329 during a four-month period at their
school. The students wanted to practice the front-end estimation they had learned in their class
during the semester. Which of the following is the best front-end estimate for the cookie sale?
$1,400
Question 7
0 / 3 pts
Extensive practice time on number operations:
is recommended so students can perform rapidly.
is recommended so students understand the steps.
is not recommended because students need to learn several computational strategies and when to use them.
is not recommended because students should just use calculators.
Question 8
3 / 3 pts
Alternative algorithms have the following characteristics except:
they are based on expanded notation, which emphasizes place value of numbers.
they simplify computation by allowing students to write down partial answers as they work.
they build on understanding of the operations.
they are based on rounding.
Question 9
3 / 3 pts
Ms. Nandagopal has donated a total of $348 to a library during the past 4 years. She has donated
the same amount of money each year. How much money has Ms. Nandagopal donated to the
library in each of the past 4 years?
