Tyrone asked Mr. Jones what the answer to 0.7 × 0.3 would be. Which of the following is the best method that Mr. Jones could use to help Tyrone understand this problem conceptually?
a. Mr. Jones could tell him to count the number of decimal places to the right of each decimal, then to multiply the two numbers as if they were whole numbers, and count back that number of places from the right.
b. Mr. Jones could tell him to use base-10 pieces for each decimal, by laying down 7 longs 3 times, then to go back one decimal.
c. Mr. Jones could tell him to change each decimal into fractions, multiply out the fractions, then change back into decimals.
d. Mr. Jones could tell him to add 7 tenths three times, then to divide by one tenth.
ANSWER:
b
You might also like to view...
Special attention should be focused on how to read lyrics in songbooks
Indicate whether the statement is true or false.
(n) ______ is a testable claim or statement concerning the relationship between variables that can be observed.
A. variable B. statistic C. operational definition D. research hypothesis
Most child development experts agree that play ______.
a. delays development of social skills b. is a major way in which children learn c. should be free of rules from adults d. is unnecessary once a child begins school
Informal observation method
Match each statement with the correct item below. a. a particular perspective or point of view; can be personal or based on a theory or philosophy b. new or unusual behaviors and skills c. a term that combines setting and situation to include all aspects of an environment—time, space, circumstances, other people, and physical and psychological conditions d. descriptions of behavior and events as they originally occurred e. a formal method that observes and records specific kinds of behaviors (events) whenever they occur f. an often used by teachers as an aid to understanding the child’s personality or behavior g. a formal method of observation and recording in which you continuously record in as much detail as possible what the child does and says, by herself and in interaction with other persons or objects h. a method of observing and recording behavior that lacks a strict research format