Multiplication and Division Review
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Questions and Answers

What is multiplication?

  • Repeated addition (correct)
  • Subtracting numbers
  • Separating numbers
  • Finding the average

In the cookie example, what was the total number of cookies when each person had 2 cookies?

  • 10
  • 12
  • 8 (correct)
  • 6

What are the three main parts to a division problem?

  • Minuend, product, divisor
  • Addend, quotient, divisor
  • Dividend, divisor, quotient (correct)
  • Sum, difference, product

What is the result of 4 divided by 1?

<p>4 (D)</p> Signup and view all the answers

When dividing by ten, what should you do with the decimal point?

<p>Move it one place to the left (C)</p> Signup and view all the answers

What should you do when dividing by 100 in terms of decimal point movement?

<p>Move it two places to the left (C)</p> Signup and view all the answers

What is a quotient in math?

<p>The result of dividing one number by another (C)</p> Signup and view all the answers

What are compatible numbers used for in estimating quotients?

<p>To round numbers to make division easier (A)</p> Signup and view all the answers

How are common factors identified between two numbers?

<p>By comparing the factors of each number and finding shared factors (A)</p> Signup and view all the answers

What does the remainder represent in division?

<p>The amount left over after division (D)</p> Signup and view all the answers

How is the mean of a group of numbers calculated?

<p>By adding all numbers and dividing by the number of values (B)</p> Signup and view all the answers

What is the purpose of lining up decimal points when adding or subtracting money?

<p>To avoid errors in calculations (D)</p> Signup and view all the answers

What is the importance of lining up decimals when dividing money?

<p>It ensures the correct placement of the decimal point in the quotient. (A)</p> Signup and view all the answers

Which property allows us to change the groupings of numbers when adding or multiplying?

<p>Associative property (B)</p> Signup and view all the answers

What should you do if you want to divide money by a decimal number?

<p>Move the decimal point in both the dividend and divisor an equal number of spaces to the right. (D)</p> Signup and view all the answers

Why is it necessary to use a dollar sign in the final answer when working with money?

<p>To indicate that a certain amount is being expressed in dollars. (B)</p> Signup and view all the answers

In money math word problems, what does the strategy CUBES help with?

<p>Problem-solving (B)</p> Signup and view all the answers

How does multiplying money by whole numbers help in budgeting for a party?

<p>Determining total cost of items and budget available for a party. (C)</p> Signup and view all the answers

What is the relationship between multiplication and division?

<p>Multiplication is adding equal groups, while division is separating into equal groups. (D)</p> Signup and view all the answers

If you have 16 cookies and want to divide them equally among 4 friends, how many cookies will each friend get?

<p>8 cookies (B)</p> Signup and view all the answers

When dividing by one, what is the result?

<p>The original number (C)</p> Signup and view all the answers

If you move the decimal point one place to the left when dividing by ten, what happens if you move it two places to the left?

<p>The number decreases (A)</p> Signup and view all the answers

Which of the following statements best describes the three main parts of a division problem?

<p>Dividend, divisor, quotient (A)</p> Signup and view all the answers

What is the correct mathematical process when dividing into equal groups?

<p>Divide, multiply, subtract, drop down (B)</p> Signup and view all the answers

What are compatible numbers used for in estimating quotients?

<p>Rounding numbers to make division easier (D)</p> Signup and view all the answers

How are common factors identified between two numbers?

<p>By comparing their prime factorizations (D)</p> Signup and view all the answers

What does the remainder represent in division?

<p>The partial amount that can't be evenly divided (B)</p> Signup and view all the answers

What are factors in mathematics?

<p>Numbers that multiply together to get a product (C)</p> Signup and view all the answers

How is the mean of a group of numbers calculated?

<p>Adding all the numbers and dividing by the number of values (C)</p> Signup and view all the answers

What is the purpose of dividing in math?

<p>To break up a number into equal groups (A)</p> Signup and view all the answers

What is the importance of lining up decimals when dividing money?

<p>It ensures the correct placement of the decimal point in the quotient. (D)</p> Signup and view all the answers

What property allows changing the groupings of numbers when adding or multiplying?

<p>Commutative property (B)</p> Signup and view all the answers

How does dividing by decimals differ from dividing by whole numbers?

<p>The decimal point needs to be moved equally in both dividend and divisor. (C)</p> Signup and view all the answers

How can you ensure accurate money calculations when multiplying?

<p>Align dollars above cents before multiplying. (A)</p> Signup and view all the answers

What is one of the main reasons for applying the associative property in math?

<p>To change the groupings of numbers and achieve the same total. (D)</p> Signup and view all the answers

How does division by whole numbers differ from division by decimals?

<p>Division by whole numbers does not involve moving decimal points. (C)</p> Signup and view all the answers

What does it mean to align decimals appropriately when performing money calculations?

<p>To keep track of decimal points in each number during operations. (A)</p> Signup and view all the answers

What should you consider when dividing money by decimals?

<p>Moving the decimal point an equal number of spaces in both dividend and divisor. (C)</p> Signup and view all the answers

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