# Worksheet: Squares of Numbers

In this worksheet, we will practice determining the square of an integer and using this to represent areas of squares.

**Q1: **

Evaluate 5 squared.

**Q2: **

Find the square of 15.

**Q3: **

Using a calculator, is ?

- Ano
- Byes

**Q4: **

Find the area of a square whose side length is 7 cm.

- A
98 cm
^{2} - B
28 cm
^{2} - C
14 cm
^{2} - D
49 cm
^{2} - E
cm
^{2}

**Q5: **

Write a positive integer whose square is between 120 and 130.

**Q6: **

A sheet of labels has 7 rows of labels with 7 labels in each row. Write the exponent that represents the number of labels, and then determine its value.

- A , 128
- B , 49
- C , 7
- D , 49

**Q8: **

Find the integer that, when multiplied by itself, gives a number between 62 and 66.

**Q9: **

Which of the following is a power whose value is greater than 196?

- A
- B
- C
- D
- E

**Q10: **

Nada has miles of coastline. What is the value of ?

**Q11: **

Determine the square of .

**Q13: **

Which of the following is a power whose value is greater than 64?

- A
- B
- C
- D
- E