Download Square Roots

NAME:
What:
Why:
Math -7NOTES
DATE: ______/_______/_______
Square numbers and square roots
To examine the perfect square numbers up to 400 and to find the square
root of both perfect and non-perfect square numbers.
This square represents which perfect square #?
The square root of this square is _______________
because it is a 4 x 4 square. The square root is
the length of the _______________ of the square.
Perfect Square
Square Roots:
Square Roots:
#’s:
1² = _____
2² = _____
3² = _____
4² = _____
5² = _____
6² = _____
7² = _____
8² = _____
9² = _____
10² = _____
11² = _____
12² = _____
13² = _____
14² = _____
15² = _____
16² = _____
17² = _____
18² = _____
19² = _____
20² = _____
Perfect square EXAMPLES:
1.
√64 =
2. √225 =
3. √ 36 =
4. √ 169 =
5. √ 400 =
6. √ 25 =
NON-PERFECT SQUARE # EXAMPLES:
Between which two consecutive whole numbers do the following #’s fall between?
1.
√22 lies between _____ and _____.
2.
√54 lies between _____ and _____.
3.
√133 lies between _____ and _____.
4.
√320 lies between _____ and _____.
NAME:__________________________
Math-7
“PRACTICE IT”
DATE: ______/_______/_______
Square #’s and Square roots:
Find the square root of the following numbers:
1.
25 = __________
2.
81 = __________
3.
169 = __________
4.
49 = __________
5.
225 = __________
6.
9 = __________
7.
36 = __________
8.
144 = __________
9.
196 = __________
11.
289 = __________
12.
10. 400 = __________
64 = __________
Between which two consecutive WHOLE numbers do the following #’s fall between?:
13.
14 lies between __________ and __________.
14.
88 lies between __________ and __________.
15. 130 lies between __________ and __________.
16.
32 lies between __________ and __________.
Short Answer:
17. Draw a picture that models the following perfect square number: 9
18. Jerry is designing a square patio. The patio has an area of 98 square feet. About how long is
each side of the patio?
19. What perfect square # does the square to the right represent? __________
20. What would its square root be (square to the right)? __________