Squares, Cubes, and Estimating

What does it mean to square a number?

• Multiply the number by itself 3 times

• Multiply the number by 2

• Multiply the number by itself

What is the area of a square with a side of 7?

• 14
• 28
• 49
• 64

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The area of a square is 36 cm².  What is the length of one side?

• 6 cm
• 24 cm
• 9 cm
• 9 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

True or false? 9² is 18

• True
• False

Tags

CCSS.6.EE.A.1

x² = 16

• ± 4
• ± 8
• 4
• 8

Tags

CCSS.8.EE.A.2

To find the square root of a number, you must divide it by 2.

• True
• False

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

Find the square root.

• 4/5
• 2/3
• -4/5
• -2/3

Which number in this list is not a rational number?

√5, ∛8, 0, -4.2

• √5

• ∛8

• 0

• -4.2

The √20 is between which two consecutive integers?

• 2 & 3
• 3 & 4
• 4 & 5
• 5 & 6