# Worksheet: Finding the Squares of Numbers

Q1:

Find the value of .

Q2:

Evaluate 5 squared.

Q3:

Find the square of 15.

Q4:

Using a calculator, is ?

• Ano
• Byes

Q5:

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

• A
• B
• C
• D
• E

Q6:

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

• A
• B
• C
• D
• E

Q7:

Write four squared using digits.

• A
• B
• C
• D

Q8:

Write the expression in words.

• Aeight to the third power
• Btwo to the eight power
• Ctwo to the ninth power
• Deight to the second power
• Enine to the second power

Q9:

Write using an exponent, and then find its value.

• A , 16
• B , 8
• C , 2
• D , 4

Q10:

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

Q11:

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

• A 98 cm2
• B 28 cm2
• C 14 cm2
• D 49 cm2
• E cm2

Q12:

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

Q13:

Write a positive integer whose square is between 70 and 90.

Q14:

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

• A , 128
• B , 49
• C , 7
• D , 49

Q15:

What is the difference between the area of a square of side 15 cm and the area of a square whose sides are 12 cm longer?

• A 873 cm2
• B 5 cm2
• C 717 cm2
• D 585 cm2
• E 60 cm2