Teacher's Resources

3. Squares and Square Roots

Click the correct answer.

Which of the following is a perfect square?

7,921

4,638

3,843

2,549

What is the square root of 576?

What is the square root of 4,761?

What is the square root of 0.04?

0.2

0.02

0.002

What is the square root of 158.76?

13.6

11.6

12.6

14.6

What is the square root of $$26\frac{17}{64}$$?

$$4\frac{1}{8}$$

$$5\frac{1}{8}$$

$$5\frac{3}{8}$$

$$5\frac{2}{8}$$

What is the square root of $$\frac{7225}{1089}$$?

$$\frac{33}{85}$$

$$\frac{85}{33}$$

$$\frac{85}{37}$$

$$\frac{85}{47}$$

What is the value of $$\sqrt{625} \times \sqrt{81}$$?

205

223

225

231

Which is the smallest number by which 98 must be divided to make it a perfect square?

What is the square root of 4.41?

2.1

2.01

3.1

2.21

Typing

Type the greatest 3-digit number which is a perfect square.

Type the smallest 4-digit number which is a perfect square.

The product of two numbers is 2,916. If one number is 36 times the other, type the numbers.

The area of a square garden is 4,624 m². Type the measure of one of its sides.

The area of a square plot is 30.25 m². Type the length of its sides.

The area of a square is equal to the area of a rectangle whose dimensions are 48 cm and 27 cm. Type the side of the square.

Type the first 5 perfect square numbers.

Type the smallest number by which 392 must be multiplied to make it a perfect square.

Type the smallest number by which 4,050 must be divided to make it a perfect square.

Type the least number that must be added to 5,687 to make it a perfect square.

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