Question 1
Find the squares of these numbers without a calculator.
a
\(12^2\) =
b
\(7^2\) =
c
\(17^2\) =
d
\(33^2\) =
Question 2
Calculators may be used.
a
\(\sqrt{81}\) =
b
\(\sqrt{169}\) =
c
\(\sqrt{625}\) =
d
\(\sqrt{1444}\) =
Question 3
Question 3a to 3c - multiple choice question
a
576 =
(2 × 2 × 2 × 3)
^{2}
(2 × 2 × 3 × 3 × 3)
^{2}
(2 × 2 × 2 × 3 × 3)
^{2}
b
324 =
(2 × 2 × 3 × 3)
^{2}
(2 × 3 × 3)
^{2}
(2 × 2 × 3)
^{2}
c
1764 =
(2 × 3 × 3 × 7)
^{2}
(3 × 3 × 7)
^{2}
(2 × 3 × 7)
^{2}