The Number Line
Rational or
Irrational
Irrational
Estimating Square Roots
Decimals to Fractions
Fractions to Decimals
100
Which letter best represents sqrt (2) ?
B
100
Which of the following number(s) are rational? Select all.
A. 0
B. 0.44444 . . .
C. sqrt (8)
D. 1/3
E. 4pi
A, B, D
100
Without a calculator, estimate to the nearest tenth: sqrt (28)
Acceptable answers: 5.2 or 5.3
100
What is 0.07 as a fraction?
7/100
100
No Calculator: Change 3/10 to a decimal
0.3
200
Which letter best represents sqrt (5) ?
D
200
Which number(s) are irrational? Select all.
A. 0.52348
B. sqrt 16
C. sqrt 80
D. 3pi/2
E. -0.23584695127. . . .
C, D, E
200
Without a calculator, estimate to the nearest tenth: sqrt (125)
Acceptable: 11.1, 11.2, or 11.3
200
What is 0.027 as a fraction?
27/1000
200
No Calculator: Change 1/5 to a decimal.
0.2
300
The blue point could be the square root of what number?
7 or 8
300
A number that can be written as a ratio of two numbers is called what?
rational number
300
Without a calculator, estimate to the nearest tenth: sqrt (390)
Acceptable answers: 19.7, 19.8, or 19.9
300
What is 0.1111111. . . . as a fraction?
1/9
300
No Calculator: Change 4/9 to a decimal.
0.444444444 . . . .
400
Arrange the numbers from least to greatest: 2pi , sqrt (6) , sqrt (20) , pi/2 , 3
pi/2, sqrt (6) , 3, sqrt (20) , 2pi
400
A real number that includes nonterminating and nonrepeating decimals is called what?
Irrational number
400
Without a calculator, estimate to the nearest tenth: sqrt (200)
Acceptable answers: 14.1 or 14.2
400
What is 0.475475475475. . . as a fraction?
475/999
400
No Calculator: Change 9/11 to a decimal.
0.818181818181 . . .
500
Arrange the numbers from least to greatest:
-3/2 , -0.2, -1/2, -sqrt(8) , -2
-sqrt (8) , -2, -3/2 , -1/2, -0.2
500
The quotient of an irrational number and rational number will result in what type of real number?
irrational number
500
Without a calculator, estimate to the nearest tenth: sqrt (410)
Acceptable answers: 20.1, 20.2, or 20.3
500
What is 0.56666666 . . . as a fraction?
51/90 or 17/30
500
No Calculator: Change 7/8 to a decimal.
0.875