What is an example of educational scaffolding?
B. A teacher uses think-alouds to model thought processes in solving a word problem.
Mr. Sanders
... [Show More] wrote the following on the board: A2 + B2 = C2
This is an example of
thinking at an abstract level.
Ellie has been asked to estimate how many items she sees. There are 3 groups of 5 cubes. What process is she most likely to be using?
A. subitizing
Students in a fifth-grade class need to buy a protractor and a compass for math class. The combined cost for both items is $7.59 (without tax). The cost of the compass is $3.99 more than the protractor. Which of the following equations can a student use to determine the cost of the protractor?
B. $7.59 = x + (x + $3.99)
Mr. Gleason is answering a question in math class. His answer is "You do so by dividing the numerator by the denominator." What was the question?
A. How do you change a fraction into a decimal?
Ms. Johnson's students have been learning about metric and customary units. Which of the following is correct?
A. A meter is longer than a yard.
Susan brought a water bottle from home. She wants to measure its capacity. What unit of measurement should she use?
B. liter
Mr. Wood's class averaged 84 points on the last exam. What can be said about the class?
C. The class mean is 84.
Which figure has the fewest number of parallel lines?
B. trapezium
Which description best describes a scatter plot?
A. points on an x-axis and y-axis showing correlations
Mr. Anthony is using the following manipulative in his classroom: An oblong frame with rows of wires or grooves along which beads are moved. What is Mr. Anthony likely to be teaching?
A. operations on whole numbers
In terms of developmental skills, Mrs. Camp's students are developing reasoning skills in concrete and real-life situations. What is most likely to be the age of students in Mrs. Camp's class?
B. 8 years
Which of the following concepts are correctly paired?
C. ratio notation and fractions
Which of the following is a customary unit?
B. ton
Ms. Carlisle gave her students a spelling test that had a maximum of 20 points. Students had the following scores: 5, 5, 5, 5, 5, 11, 12, 12, 13, 20. What measure of central tendency would be best to use?
C. median
Kristin is solving a problem. She wants to cover the outside of her locker with an adhesive fabric. Which estimation strategy would be best to try?
A. make a sketch
What is true of a coordinate plane?
B. It has 4 quadrants.
Mrs. Castleberry uses a constructivist approach for teaching math in her second-grade classroom. What would you expect to see in the classroom?
A. an interactive whiteboard
Mr. Marco has a large box of color tiles. He is using them to help students understand successive estimations as a problem-solving approach for larger groups of items. This reflects the concept of
C. iterations.
Convert .233 to a percentage.
B. 23.30%
Which of the following is factually correct?
A. Integers can be expressed as fractions.
B. B. There are more fractions than whole numbers.
C. C. Not all fractions can be expressed as integers.
D. D. All of the above are factually correct.
Kendra is plotting data on a coordinate plane. In which quadrant should she place (3, -2)?
D. Quadrant 4
Mr. Fuqua wants to know if there is a relationship between the day of the week and the number of absences. He tracks this data over the course of a year. What should he use to present the data?
A. a frequency chart
Principal Fitzmorris has put together a presentation. He wants to show the number of students in each grade as a proportion of the total number of students at the school. What should he use?
E. pie chart
Cassie is solving the following math problem.
The number of people going to a movie on Monday is 95. If increased by a factor of 5 on Saturday night, what is the attendance at the movie on Saturday night?
E. multiply 5 by 95
In terms of number theory, which of the following is true?
B. Only whole numbers ending in 0, 2, 4, 6, and 8 are divisible by 2.
Which of the following statements about numbers is true?
C. A fraction is the same as a rational number
Ms. Wood is using a contextual approach to teaching math to her first-grade class.
What would you expect to see in her classroom?
A. students learning about measurements by making recipes
Kaitlyn is using tans in her class. What mathematical concept is Kaitlyn most likely to be learning?
B. spatial reasoning
Measures of central tendency
C. describe data as a single number.
In the following data set, 9 is which of the following?
1, 4, 6, 7, 9, 13, 14, 14, 21
D. median
In a data set, what is the average distance from each data point in the set to the average?
D. the absolute standard deviation
Mr. Green is teaching his third-grade students about money and money management using "Green Bucks." Just as workers get paid to come to work, his students get "paid" to come to class and get there on time. His students also get paid for their "work" in class or for homework. Higher grades get more money; however, students can get paid "overtime" by correcting their work. He has a variety of ways in which students can spend their money. They can buy small items at the "Green Store" each week, purchase recess or free time, or save for monthly "Big Green Deals." What method is Mr. Green using?
B. simulation [Show Less]