Lesson 10: Practice Problems
Problem 1
Kiran is using long division to find
He starts by dividing 69 by 12. In which decimal place should Kiran place the first digit of the quotient (5)?
Hundreds
Tens
Ones
Tenths
Problem 2
Here is a long-division calculation of
There is a 7 under the 9 of 917. What does this 7 represent?
What does the subtraction of 7 from 9 mean?
Why is a 1 written next to the 2 from
?
Problem 3
Han’s calculation of
Find
. Use your calculation of
to explain how you know Han has made a mistake. Identify and correct Han’s mistake.
Problem 4
Find each quotient.
Problem 5 From Unit 5 Lesson 7
One ounce of a yogurt contains of 1.2 grams of sugar. How many grams of sugar are in 14.25 ounces of yogurt?
0.171 grams
1.71 grams
17.1 grams
171 grams
Problem 6 From Unit 5 Lesson 4
The mass of one coin is 16.718 grams. The mass of a second coin is 27.22 grams. How much greater is the mass of the second coin than the first? Show your reasoning.