Lesson 5: Practice Problems
Problem 1
Find the product of each number and
. 122.1
11.8
1350.1
1.704
What happens to the decimal point of the original number when you multiply it by
? Why do you think that is? Explain your reasoning.
Problem 2
Which expression has the same value as
0.00924
Problem 3
Calculate the value of each expression by writing the decimal factors as fractions, then writing their product as a decimal. Show your reasoning.
Problem 4
Write three numerical expressions that are equivalent to
Problem 5 From Unit 5 Lesson 3
Calculate each sum.
Problem 6 From Unit 5 Lesson 4
Calculate each difference. Show your reasoning.
Problem 7 From Unit 1 Lesson 3
On the grid, draw a quadrilateral that is not a rectangle that has an area of 18 square units. Show how you know the area is 18 square units.