Math 8
Practice 1.3 Square Roots
Name ________________________
Date: _____________
Block: ____
1. Find each square root
√144
−√144
√−144
√25
√−9
−√100
√256
√−4
±√196
√225
−√169
√1
2. Find the two consecutive whole numbers between which the square root of a given number lies.
Then circle the nearest integer.
√12 _______ _______
√96
_______ _______
√110 _______ _______
√3 _______ _______
√170
_______ _______
√55 _______ _______
Estimate each square root to the nearest tenth. Then graph the square root on a number line.
3. −√29
5. −√53
4. √108
6. Compare the following numbers using <, >, or = .
15 _____ √225
502% ______ √16
√625 _____ 2 × 101
11² _______ 1.21 × 103
7. Order the following numbers
 from least to greatest.
 in ascending order.
a) 1.5 × 10−2, 15%,
b) 5.01,
√15 ,
1
2
c) −√16,
3.2,
3
−2 ,
√9
̅̅̅, √26
5.01̅, 5. ̅01
10. Which pair of numbers are both between
6 and 7?
a) √30 and √42
11. Which statement best describes √50 ?
a) exactly 7
b) √36 and √49
b) exactly 25
c) √37 and √50
c) between 7 and 8
d) √42 and √48
d) between 24 and 26
Area of a square is equal to the square of the length of a side.
A = s²
12. A local park is in the shape of a square and covers an area of 3600 square feet.
a) Find the side length of the park.
b) Find the perimeter of the park
13. The formula for the perimeter of a square is P = 4s, where s is the length of a side.
Find the perimeter of each square.
a)
b)
c)
Area =
Area =
Area =
144 square
inches
49 square
feet
324 square meters