Write rational # in Equivalent Forms
What is 5/9 as a decimal?
0.55 (Repeating)
Is 1.555... a rational or irrational number?
Rational, it is repeating.
On a number line, between which two whole numbers would the square root of 78 be located?
8 and 9
The volume of a cube is 27 in3. How long is each side?
3 inches long
x3=1000
Solve for x.
What is 4 and 5/9 written as a decimal?
4.55 (repeating)
Is 8.141141114... a rational or irrational number?
Irrational, not terminating or repeating.
Compare the negative square root of 7 and -3.12345. (Give me a <, >, or = sign)
negative square root of 7 > -3.12345
Ms. G is adding a new room to her dollhouse. The room will be a cube with a volume of 64 cubic inches. What is the length of the new room?
4 inches
x2=169
13
What is 0.423 written as a fraction?
423/1000
Which numbers are irrational?
Square root of 144
Square root of 72
Square root of 25
Square root of 23
Square root of 72
Square root of 23
Which number below comes first when the numbers are listed from least to greatest?
22/7, -3, square root of 17, 16/5, -4.5
-4.5
Would you classify the number 55 as a perfect square, perfect cube, both, or neither?
Neither
The area of a square patio is 196 square feet. How long is each side of the patio?
14
What is the definition of a terminating decimal and a repeating decimal?
Terminating decimal comes to an end, and ends in a zero. A repeating decimal repeats the same number or block of numbers without end.
Is -80.025 a rational or irrational number?
Rational
Order the numbers below from least to greatest.
Square root of 5, 3.7, 1/2, -4, -9/4
-4,-9/4, 1/2, square root of 5, 3.7
The area of a square garage is 121 square feet. Will it fit a car that measures 13 feet long?
No, the sides of the garage are 11 feet so they will not fit the 13 foot car.
x2=80
x= positive and negative square root of 80
What is 4.20 written as a mixed number in simplest form?
4 and 1/5
A square rug has an area of 121 ft2. Write the side length as a square root and say if it is rational or irrational.
Square root of 121, it is rational
Between which two consecutive whole numbers is the square root of 91?
9 and 10
Nadia wants to enclose a square garden with fencing. It has an area of 144 square feet. To the nearest foot, how much fencing will she need?
48 feet of fencing. (Each side is 12 feet long. 12*4=48 feet which is the perimeter).
r3=125
r=5