Math Problems Practice

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Questions and Answers

What is the product of -6 and -7?

  • 13
  • 42 (correct)
  • -42
  • -13

Which property of multiplication is demonstrated by the equation $5 imes (2 + 3) = (5 imes 2) + (5 imes 3)$?

  • Distributive Property (correct)
  • Associative Property
  • Commutative Property
  • Identity Property

What is the result of $\frac{3}{4} imes \frac{2}{5}$?

  • $\frac{6}{20}$ (correct)
  • $\frac{5}{20}$
  • $\frac{6}{9}$
  • $\frac{5}{9}$

What is the value of 'x' if $7 imes x = 7$?

<p>1 (C)</p> Signup and view all the answers

A rectangular garden is 12 feet long and 8 feet wide. What is the area of the garden?

<p>96 square feet (C)</p> Signup and view all the answers

Estimate the product of 48 and 62 by rounding each number to the nearest ten.

<p>3000 (A)</p> Signup and view all the answers

What is the product of 2.25 and 3.5?

<p>7.875 (C)</p> Signup and view all the answers

Which of the following expressions demonstrates the associative property of multiplication?

<p>$a imes (b imes c) = (a imes b) imes c$ (A)</p> Signup and view all the answers

A store sells apples for $1.25 each. If a customer buys 12 apples, what is the total cost?

<p>$15.00 (D)</p> Signup and view all the answers

Simplify: $ (\frac{2}{3} \times \frac{9}{4}) \times \frac{2}{5}$

<p>$\frac{3}{5}$ (D)</p> Signup and view all the answers

Flashcards

What is multiplication?

Adding a number to itself a specified number of times.

What is the multiplicand?

The number being multiplied.

What is the multiplier?

The number by which the multiplicand is multiplied.

What is the product?

Result of multiplication.

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Commutative Property

Order doesn't matter: a × b = b × a

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Associative Property

Grouping doesn't matter: a × (b × c) = (a × b) × c

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Identity Property

Anything multiplied by 1 remains itself: a × 1 = a

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Zero Property

Anything multiplied by 0 is zero: a × 0 = 0

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Distributive Property

a × (b + c) = (a × b) + (a × c)

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Multiplying Signed Numbers Rule

Positive × Negative = Negative, Negative × Negative = Positive

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