Exponents
How do you express 2 x 2 x 2 in exponent form?
23 two to the power of 3 or two cubed
What is the square root of 4?
2
Which of the following is a perfect square?
Answer and explain why. A. 27 B. 30 C. 64 D. 8
C. because 8 x 8 = 64.
How do you say 65?
"Six to the fifth power."
What is 45 in expanded form?
4 x 4 x 4 x 4 x 4
Solve. √49 =
7
What are the first 12 perfect squares?
1 , 4 , 9 , 16 , 25 , 36 , 49 , 64 , 81 , 100 , 121 , 144
Moby noticed that the baseball field is a perfect square. If one of the sides of the field is 25 feet long, what is the Area or Perfect Square of the field?
side x side = area/perfect square so
25 x 25 = 625 is the area or perfect square
Solve 24 and write in Standard form.
16
What is the square root of 64 ?
8
25 , 36 , _____ , 64 , 81
What number do you need to square to find the
missing term?
7
Why? The missing term or perfect square is 49.
In order to create 49, you have to square 7.
72 = 49
James makes 152 a week. How much does he make in 3 weeks?
James makes $675 in three weeks.
Solve: 6 cubed
216
Solve. √9
3
Name a perfect square between 27 and 48.
36
Why? 6 x 6 is 36 and it is the only perfect
square between 27 and 48.
You would like to frame your artwork with fancy rope. The picture is 6 inches long and 7 inches wide. You want to buy 5 more inches than you need, just to be safe. How much rope do you need? Explain how you got your answer.
You will need 31 inches of rope. Since you are framing the picture, you need to find the perimeter. 6 + 6 + 7 + 7 = 26. You want to buy 5 extra inches to be safe. 26 + 5 = 31. That is why you will need to buy 31 inches of rope.
You know that five to the power of zero is one
(50 = 1). What is the saying that helps you remember this?
Anything under the sun is one.
What is the square root of 121?
11
Why? 11 x 11 = 121
What is the definition of a Perfect Square?
The product of one number multiplied by itself