Compare and Order Real Numbers
Real Number System
Estimating Square Roots
Perfect Square Roots
Tax/Tip/Discount/Markup
100
Which of the following could be placed in the blank to make a true statement?
3/5 < ___ < 0.75
a) 6.5 x 10-2 b) 0.32 c) 3/6 d) 0.681
d) 0.681
100
Identify each value that can be represented as an integer
0.75 , 5/-9 , -24/3 , -√225 , 8.0
-24/3 , -√225 , 8.0
100
Which point best represents √247?
Point D -> √247 = 15.7
100
If a2=144, which of the following is true?
a) a= 12 or a= -12
b) a= 3.5 or a= -3.5
c) a= 72 or a= -72
d) a= 20,736 or a= -20,736
a) a= 12 or a= -12
100
On Ruth's first day, she swam 1000 meters in the pool without stopping. After training for several weeks, she was able to swim 2599 meters without stopping. What is the percent increase from Ruth's first swim to her most recent?
159% increase
200
Put the following numbers in ascending order:
Pi , 10/3 , 2 7/8 , 2.1 x 10-2 , 120%
2.1 x 10-2, 120%, 2 7/8, Pi, 10/3
200
Which of the following is a rational number?
a) 3.2871... b) 2.3636 c) √30 , d) Pi
b) 2.3636
200
Between which two consecutive whole numbers does √19 lie?
a) 19 and 20
b) 4 and 5
c) 9 and 10
d) 14 and 15
b) 4 and 5
200
You must select all correct answers. If w2 = 196, then w = ____.
14 16 -14 -16 94
14 , -14
200
An ice cream shop owner pays $0.12 per regular cone and $0.23 per waffle cone. Customers are allowed to choose which type of ice cream cone they would prefer. If two-thirds of the 276 cones sold last week were waffles cones, how much did the owner spend on waffles cones last week?
$42.32
300
DOUBLE JEOPARDY:
Select all real numbers that are greater than -3.
-√15 2.3 x 10-2 -3.7 x 100 -11/3 -2 2/3 -3.0909
2.3 x 10-2 , -2 2/3
300
300
Which have a value between 12 and 13?
√151 , √149 , √163
300
What are the two possible roots of the value 169.
13 and -13
300
Aamaria bought a new jacket. The jacket originally cost $79.95 but us on sale for 20% off. How much does Jonathan pay for the jacket?
a) $15.99 b) $27.99 c) $63.96 d) $95.94
c) $63.96
400
Which of the following could NOT be placed in the blank to make a true statement?
2.3 x 10-2 < ___ < 1.7
a) 25% b) 1 2/3 c) 3.5 x 10-1 d) 15/8
d) 15/8
400
All of the following statements are true except:
a) Repeating decimal numbers are rational numbers
b) Some integers are natural numbers
c) No whole numbers are rational numbers
d) All natural numbers are real numbers
c) No whole numbers are rational numbers
400
What is -√1?
-1
400
Which of the following is NOT a perfect square.
a) 81 b) 169 c) 101 d) 225
c) 101
400
Mr. Janey's grocery bill is $143.74. If 5.3% sales tax is added to his bill, what is the total Mr. Janey owes?
$151.36
500
Which is the largest value?
a) 7.3 x 10-1 b) 2/3 c) 47% d) 0.32
a) 7.3 x 10-1
500
Which statement is true?
a) All square roots are rational
b) Some integers are irrational numbers
c) The sum of two rational numbers is irrational
d) The smallest natural number is 1
d) The smallest natural number is 1
500
Identify the two consecutive whole numbers between which the value of √251 lies.
15 and 16
500
What is the perimeter of a square with an area of 49 in2?
28 in
500
The same hoodie is priced differently in different stores and is on sale with a different discount in each. In which store can the hoodie be purchased for the least amount of money?
Store 2