Properties of Rational Numbers

Q. The sum of two rational numbers is always a rational number. This property is known as

1. Commutative
2. Closure
3. Associative
4. Additive identity

Q.

Encircle the odd one of the following.

1. $\frac{(-100)}{5}$

2. $\frac{(-81)}{9}$

3. $\frac{(-75)}{5}$

4. $\frac{(-32)}{9}$

Q.

Every _________rational number is greater than zero.

Q.

When an integer divides another integer the quotient __________an integer

Q. Each orange weighs $\frac{1}{4}$ of a kilogram. If there are 5 kg of oranges in a basket, find the number of oranges in the basket.

1. 10
2. 20
3. 30
4. 40

Q. Subtraction is commutative for integers.

1. True
2. False

Q. $\text{If}(\frac{a}{b}+\frac{c}{d})+\frac{e}{f}=\frac{a}{b}+(\frac{c}{d}+\frac{e}{f}),$
then this expression represents:

1. Closure property
2. Additive identity
3. Commutative property
4. Associative property

Q. does not follow the property of closure for integers.

1. Addition
2. Subtraction
3. Multiplication
4. Division

Q.

Each orange weighs $\frac{1}{4}$ of a pound. If there are 5 lb of oranges in a basket, find the number of oranges.

1. 20
2. 30
3. 40
4. 10

Q. $x\times (y+z)=x\times y+x\times z$
Which of the following is represented by the above equation?

1. Commutative property
2. Closure property
3. Associative property
4. Distributive property

Q.

Subtraction of rational numbers is commutative. State whether the statement is true or false.

1. True
2. False

Q. If A and B are two integers such that A is the predecessor of B, then A – B + 8 =?

1. 0
2. -8
3. 8
4. 7

Q. All natural numbers are rational numbers.

1. False
2. True

Q.

Integers are not closed under.

1. Addition

2. Subtraction

3. Multiplication

4. Division

Q. If 3/4 of a kilogram of strawberries is divided equally into 3 bags, each bag contains kg of strawberries.

1. $\frac{2}{4}$
2. $\frac{4}{2}$
3. $\frac{1}{4}$

Q.

The order in which we add rational numbers always results in the same sum. This is stated by ___ property.

Q.

If A and B are two integers such that A is the predecessor of B, then A – B + 8 =?

1. 0

2. -8

3. 8

4. 7

Q.

Each orange weighs $\frac{1}{4}$ of a pound. If there are 5 lb of oranges in a basket, find the number of oranges.

1. 20
2. 30
3. 40
4. 10

Q.

Integers are not closed under which operation?

1. Addition

2. Subtraction

3. Multiplication

4. Division

Q. There are $\frac{3}{4}$ ths in $1\frac{1}{2}$

1. $\frac{9}{8}$
2. $\frac{3}{4}$
3. 2