Rational/Irrational
Ordering Rationals
Absolute Value
Number Lines
Integer Operations
100
Rational or Irrational and why?
sqrt(49)
Rational because it is a whole number.
100
Least to greatest:
-3, 5, -1, 0
-3, -1, 0, 5
100
abs(-8)
8
100
Write an equation for this number line. Be sure to tell what the final answer is.
-4 + 2 =6
100
Solve:
-6 + 11
5
200
Is o.3333...rational or irrational and why?
Rational because it repeats
200
Least to greatest:
-2.5, 1.2, -3.1, 0.4
-3.1, -2.5, 0.4, 1.2
200
What is the opposite of -12?
12
200
Write an equation that represents this number line. Be sure to tell the final answer.
-3 - 2 = -5
200
Solve:
8-13 =
-5
300
Rational or irrational and why?
sqrt(12)
Irrational because 12 is not a perfect square.
300
Least to greatest:
-1/2, 3/4, -5/4, 0
-5/4, -1/2, 0, 3/4
300
abs(-15) and the opposite of -15.
15 and 15
300
Write an equation for this number line. Be sure to tell what the final answer is.
-4 + 2 = -2
300
Solve:
(-7)(-8)(2) =
112
400
Which of the following are irrational?
pi
0.125
-8
sqrt(7)
Irrational: pi, sqrt(7)
400
Greatest to least:
-0.8, 2/5, -3/4, 1.1
1.1, 2/5, -3/4, -0.8
400
Which is greater:
abs(-9) or abs(6)?
abs(-9) = 9
9 > 6
400
What equation is illustrated here? Be sure to include the answer.
-3 + 5 = 2
400
Solve:
-7
500
Give one rational number and explain why it is rational.
Answers will vary, but it must be able to expressed as a fraction of integers.
500
Least to greatest: -1.25, -6/5, 0.9, 7/8
-1.25, -6/5, 7/8, 0.9
500
A number has an absolute value of 7. What two numbers could it be?
7 and -7
500
What is the equation for this number line? Be sure to include the answer.
7.2 - 1.2 = 6
500
6