Do You Know Your Perfect Squares

All the following are Perfect Squares except for which one?

• 81

• 121

• 361

• 198

Tags

CCSS.8.EE.A.2

Select the answer with all perfect squares. 

• -144, 9, 50, 75, 81, 100

• 9, 50, 75, 81, 100

• 9, 50, 81, 100

• 9, 81,100

Tags

CCSS.8.EE.A.2

x² = 121
What does x equal?

• 11²

• 11 and -11

• 20 and 11

• 12 and 1

Tags

CCSS.8.EE.A.2

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

Tags

CCSS.8.EE.A.2

Select the set with all perfect squares.

• -144, 9, 50, 75, 81, 100

• 9, 50, 81, 100

• 9, 50, 75, 81, 100

• 9, 81, 100

Tags

CCSS.8.EE.A.2

Is 289 a perfect square?

• YES

• NO

Tags

CCSS.8.EE.A.2

Which of these is not a perfect square?

• 144

• 36

• 121

• 72

Tags

CCSS.8.EE.A.2

Is 225 a perfect square?

• Yes - because 15² = 225

• Yes - because 9x25 = 225

• Yes - because 225x225 = 50,625

• No

Match the following numbers to their square roots.

• 8

• 36

• 7

• 81

• 5

• 49

• 9

• 64

• 6

• 25

Tags

CCSS.8.EE.A.2

Mathematical Equivalence

ON

Tags

CCSS.8.EE.A.2