12
QuizMultiple Choice
Using a Rule to Find Decimal Products
Question 12 • FL-1205010-M/J Grade 6 Mathematics A-CR
Wyatt hiked for 4.7 hours at a rate of 2.9 miles per hour. He determined that he hiked 13.63 miles. Which best explains the reasonableness of Wyatt’s answer?
Answer
A
There are two digits to the left of the decimal in the factors and two digits to the left of the decimal in the product, so Wyatt’s answer is reasonable.B
There are two digits to the right of the decimal in the factors and two digits to the right of the decimal in the product, so Wyatt’s answer is reasonable.C
Wyatt’s answer is reasonable because is 8, and 8 is close to 13.63.
D
Wyatt’s answer is reasonable because is 15, and 15 is close to 13.63.