# 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 10.

**Q3: **

Using a calculator, is ?

- Ano
- Byes

**Q4: **

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

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

**Q10: **

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

**Q11: **

Determine the square of .

**Q14: **

The second power of any number is called the of the number.

- Asquare
- Bcube

**Q19: **

Noah bought a squared greeting card of area 207.36 square centimeters. Find the dimensions of the greeting card.

- A 18.4 cm by 18.4 cm
- B 16.4 cm by 16.4 cm
- C 28.8 cm by 28.8 cm
- D 57.6 cm by 57.6 cm
- E 14.4 cm by 14.4 cm

**Q20: **

Given that , , and , determine the length of .

**Q21: **

Given that a square tile has an area of 81 square inches, determine the dimensions of the tile.

- A 13 inches by 13 inches
- B 18 inches by 18 inches
- C 15 inches by 15 inches
- D 9 inches by 9 inches

**Q22: **

Emma’s bedroom is shaped like a square. Determine the dimensions of her room if the area of its floor is 256 ft^{2}.

- A 16 ft by 16 ft
- B 22 ft by 22 ft
- C 18 ft by 18 ft
- D 23 ft by 23 ft
- E 32 ft by 32 ft