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Closed Operation or Rational Numbers

Authored by Barbara White

Mathematics

8th Grade

CCSS covered

Closed Operation or Rational Numbers
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The reciprocal of a negative rational number _____

is a positive rational number

is a negative rational number

can be either a positive or a negative rational number

does not exist

Tags

CCSS.HSN.RN.B.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The product of two rational numbers is always a ————-

RATIONAL NUMBER

WHOLE NUMBER

INTEGER

FRACTION

Tags

CCSS.HSN.RN.B.3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property is displayed?

(1⅚+3⅞)+4⅛ ⁼ 1⅚+(3⅞+4⅛)

ASSOCIATIVE PROPERTY UNDER ADDITION

DISTRIBUTIVE PROPERTY OF MULTIPLICATION OVER ADDITION

COMMUTATIVE PROPERTY UNDER MULTIPLICATION

ASSOCIATIVE PROPERTY UNDER MULTIPLICATION

Tags

CCSS.7.NS.A.1D

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rational numbers are closed under addition

Rational numbers satisfy the associative property

Addition of rational numbers is not commutative

Rational numbers are not closed under addition

Tags

CCSS.7.NS.A.1D

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1/9 * 9 = 1.Which property of rational numbers is used here?

Commutative Property of Multiplication

Associative Property of Multiplication

Multiplicative Identity Property

Multiplicative Inverse Property

Tags

CCSS.3.OA.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a + (-a )= 0; then ( -a ) is called

Additive identity of a

additive inverse of a

Multiplicative identity of a

None of these

Tags

CCSS.7.NS.A.1B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The product of a rational number and its reciprocal is-

0

1

-1

None of these

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