SQUARE ROOTS
√100 = ?
10
√25 = ?
5
√20 = 400
FALSE. The square root of 400 is 20.
Jalen made a square table that had an area of 49 square feet. How long was each side?
7 feet
It is written as a small number to the right and above the base number.
exponent
√64 = ?
8
√400 = ?
20
√196 = 14
TRUE.
Sheyla wants to put carpet in her new bedroom. If the bedroom walls are 9 feet long each, how much carpet will she need?
81 square feet
The number that is going to be raised to a power.
base
√81 = ?
9
What number(s) is not a perfect square: 2, 4, 8, 16
2 and 8
√196 = 14 √225 = 15 √16 = 256
FALSE. The square root of 256 is 16. The square root of 16 is 4.
Ms. Jenks' new coffee table has an area of 289 square inches. How long is each side?
17
An expression that has a square root, cube root, etc. The symbol is √
radical
√1 = ?
1
What number is not a perfect square: 100, 169, 280, 324
280
Delaney’s square binder had an area of 121 square inches. She inferred that each side must be 11 inches. Was she correct or incorrect and WHY?
correct! The square root of 121 is 11.
Ms. Williams is framing a picture that is 225 square centimeters. She needs to buy the wood to get the frame built. How many centimeters of wood does she need to buy?
60 centimeters
A number made by squaring a whole number.
perfect square
√196 = ?
14
Which perfect square falls between 100 and 144?
121
√10 = 5 because 5 x 2 = 10.
FALSE. 5 squared = 25.
Mr. Golden is putting a border around his new bulletin board. His bulletin board has an area of 196 square inches. He already has 30 inches of border. How much more does he need?
26 inches (the square root of 196 is 14, so each side of his bulletin is 14 inches. The perimeter is 56, but he already has 30 inches of border. 56-30 is 26!)
The square root of a number is a value that, when multiplied by itself, gives the number.
square root?