Perfect Squares
What is 112?
121
What is the square root of 324?
18
What is the side length of a square with an area of 100 square miles?
10 miles
What is 182?
324
True of False?
the square root of 196 is 13
False
What is the perimeter of a square that has an area of 196 square kilometers?
56 kilometers
Which of the following is not a perfect square?
64 81 100 120 144
120
Sixteen is the square root of what number?
256
The area of a square playground is 121 square feet. What is the length of one side of the playground?
11 feet
Select all the perfect squares below.
1 4 15 109 200 225 361
1, 4, 225, 361
Select all true statements.
√8 = 64 100 = √10 17 = √289
16 = √256 √196 = 13 19 = √361
17 = √289, 16 = √256, 19 = √361
The area of a square picture is 289 centimeters. How much wood will be needed to make a frame for this picture?
68 cm
Select the following that are not perfect squares.
4 100 120 169 221 324 360
120, 221, 360
What is ...
√196=
√361=
√289=
√196= 14
√361= 19
√289= 17
John has 15 inches of ribbon left from a project. He wants to decorate his sister's square Easter basket with ribbon. The area of the Easter basket is 49 square inches. Does John has enough ribbon to go around the outside of his sister's Easter basket? Why?
No, √49 = 7 and 7 x 4 = 28 he only has 15 inches.