Is $4$4 rational or irrational?
Rational
Irrational
Is $\frac{2}{3}$23 rational or irrational?
Is $4.435$4.435 rational or irrational?
Is $\sqrt{81}$√81 rational or irrational?
Carry out the four operations with rational numbers and integers, using efficient mental and written strategies and appropriate digital technologies
Investigate terminating and recurring decimals
Investigate the concept of irrational numbers, including π