Multiplication and Arrays Quiz

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Questions and Answers

What is the correct sum to complete the equation 3 + ____ + ____ + ____ = 6?

  • 4
  • 2 (correct)
  • 1
  • 3

If there are 4 rows of hearts, what is the multiplication equation if there are 2 hearts in each row?

  • 4 x 2 = 6
  • 4 x 2 = 8 (correct)
  • 4 x 2 = 10
  • 2 x 3 = 6

Judy arranges her marbles in 3 rows of 6. How many marbles does she have altogether?

  • 18 (correct)
  • 12
  • 9
  • 15

What multiplication equation represents an array with 5 rows and 3 squares in each row?

<p>3 x 5 = 15 (B)</p> Signup and view all the answers

How can you represent the sum 2 + 2 + 2 = 6 with a multiplication sentence?

<p>3 x 2 = 6 (A)</p> Signup and view all the answers

Flashcards

Multiplication Equation

A mathematical sentence that uses the multiplication symbol (×) to show repeated addition.

Array

A rectangular arrangement of objects in rows and columns, used to represent multiplication.

Multiplication Sentence

A mathematical sentence that uses the multiplication symbol (×) to show the product of two numbers.

Rows and Columns

Rows go across horizontally, while columns go down vertically in an array.

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Multiplication Fact

A mathematical fact that shows the product of two numbers.

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Study Notes

Multiplication and Arrays

  • Problem 1: Four groups of three stars. The repeated addition is 3 + 3 + 3 + 3 = 12. The multiplication sentence is 4 x 3 = 12.

  • Problem 2: Picture showing three groups of 2. The repeated addition is 2 + 2 + 2 = 6. The multiplication sentence is 3 x 2 = 6.

  • Problem 3a: Four rows of hearts with three hearts in each row. There are 12 hearts in total.

  • Problem 3b: The multiplication equation is 4 x 3 = 12.

  • Problem 4: An array of smiley faces, with 3 rows and 4 faces in each row. The multiplication equation is 3 x 4 = 12.

  • Problem 5: Judy's marbles are arranged in an array of 3 rows and 6 marbles in each row. There are 18 marbles in total. The multiplication equation is 3 x 6 = 18.

  • Problem 6: An array of 5 rows and 3 squares in each row. The multiplication equation is 5 x 3 = 15.

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