6.3E Dividing Decimals — Unit test Answers

Mikayla evaluated the expression using the steps shown below.Which best explains Mikayla’s error?

What is the quotient of the division below?

Leora had some money in her wallet. She spent $18.62 buying groceries and had $43.55 left. How much money did she have in her wallet before she bought the groceries?

Naeem weighs different salad takeout containers. The containers respectively weigh 4.5 ounces, 5.01 ounces, 5.3 ounces, 4.75 ounces, and 4.9 ounces. Which is the best whole number estimate of how much all the containers weigh together?

Mr. Santos plants beans and squash in the areas shown in the model below.Which expression is equivalent to the sum of the two areas?

The prime factorizations of 16 and 24 are shown below.Prime factorization of 16: 2, 2, 2, 2Prime factorization of 24: 2, 2, 2, 3Using the prime factorizations, what is the greatest common factor of 16 and 24?

Ella completed the division problem below. What is Ella’s error?

Fiona wants to estimate the product (8.7)(3.0). Which expression shows each factor rounded to the nearest whole number?

Composite numbers have

Mr. Rodriguez is packing bags of snacks for his children’s lunchboxes. He plans to use 20 blueberries and 30 grapes. Each snack bag will have the same number of blueberries and grapes. How many bags can he make if each bag needs to be the same?

Simone applied the distributive property using the greatest common factor to determine the expression that is equivalent to . Her work is shown below.Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24Factors of 56: 1, 2, 4, 7, 8, 14, 28, 56What statement best describes Simone’s error?

One floor of a dollhouse is 1.6 feet tall. The dollhouse contains two levels of living areas and an attic for a total of 2.5 floors. Jaime estimates the height of the dollhouse by computing . How does her estimate compare to the actual height of the dollhouse?

Hamid bought 4.5 pounds of strawberries. The total cost of the strawberries was $8.10. How much did each pound of strawberries cost?

Which choice correctly shows rounding to the hundredths place?

Which pair of numbers is relatively prime?

Which expression is shown using the model below?

The deli brought in a total of $580,800 last year. If they served approximately 200 customers each day over the 363 days that the deli was open, about how much did each customer spend on any given day?

Ray created the list of factors for 48 below. 48: 1, 2, 3, 4, 6, 7, 8, 12, 16, 24, 48Which number should be removed from his list to make the list accurate?

Miki has 104 nickels and 88 dimes. She wants to divide her coins into groups where each group has the same number of nickels and the same number of dimes. What is the largest number of groups she can have?