Square Roots

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer with itself. For example, 1, 4, 9, 16, 25 are perfect squares.

Tags

CCSS.8.EE.A.2

Front

List the first five perfect squares.

Back

1, 4, 9, 16, 25.

Tags

CCSS.6.EE.A.1

Front

What is the square root of 49?

Back

7, because 7 x 7 = 49.

Tags

CCSS.8.EE.A.2

Front

What is the square root of 100?

Back

10, because 10 x 10 = 100.

Tags

CCSS.6.EE.A.1

Front

Which of the following is not a perfect square: 36, 50, 64?

Back

50 is not a perfect square.

Tags

CCSS.8.EE.A.2

Front

What is the next perfect square after 25?

Back

36, because 6 x 6 = 36.

Front

Calculate 8².

Back

64, because 8 x 8 = 64.

Tags

CCSS.6.EE.A.1

Front

What is the square root of 16?

Back

4, because 4 x 4 = 16.

Tags

CCSS.8.EE.A.2

Front

If x² = 81, what is x?

Back

x = 9 or x = -9.

Tags

CCSS.8.EE.A.2

Front

What is the square root of a negative number?

Back

The square root of a negative number is not a real number; it is an imaginary number.