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• square
• perfect squares
• square root
• radical sign
• Find squares of numbers and square roots of perfect squares.
Find Square Roots
Answer: 6
Find
6 ● 6 = 36, so = 6.
What number times itself is 36?
1. A
2. B
3. C
4. D
A. 8
B. 32
C. 640
D. 4,096
Find
Find Square Roots
Find
Answer:
Use a calculator.
676 ENTER= 26
1. A
2. B
3. C
4. D
A. 16
B. 23
C. 529
D. 279,841
Find
GAMES A checkerboard is a square with an area of 1,225 square centimeters. What are the dimensions of the checkerboard?
The checkerboard is a square. By finding the square root of the area, 1,225, you find the length of one side of the board.
Answer: So, a checkerboard measures 35 centimeters by 35 centimeters.
Use a calculator.
1225 ENTER= 35
1. A
2. B
3. C
4. D
A. 12 ft × 14 ft
B. 14 ft × 14 ft
C. 16 ft × 16 ft
D. 20 ft × 20 ft
GARDENING Kyle is planting a new garden that is a square with an area of 196 square feet. What are the dimensions of Kyle’s garden?
End of the Lesson