Review and Practice Math Grade 7A

Review Rational and Irrational Numbers

Multiple Select

Which are the examples of rational numbers?

• 15

• -67

• $$\frac{2}{3}$$

• 0.53

A number that can be expressed as fraction.

​​Rational

Set of numbers that consists of negative, positive numbers and zero.
Example: -1, 0, 2

​​Integers

A number is used for counting.

Example: 1, 2, 3, 78

​​Natural

A number that cannot be expressed as fraction.

​​Irrational

Open Ended

Do you agree with the answer? Please explain the reason.

$$2^2\times5+3^2\times\left(-1\right)=13$$