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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