Rational v Irrational
Is pi rational or irrational. Explain
Irrational, it does not end
What is 0.777... as a fraction?
7/9
Evaluate the expression
(−7) + (−4) + 7
-4
What is the property? 5 x 0 =0
Zero Property Multiplication
All square roots are irrational.
False
(\sqrt(16)=4)
A ______________ decimal is one that takes on a pattern of digits that continues forever.
Repeating
Is 3.141596128... rational?
No, there is no repeating pattern
Write 0.54 as a fraction
54/100
Find the product
-4/5 x 2/3
-8/15
What is the property?
(6 + 2) + 8 = 6 + (2 + 8)
Associative Property of Addition
Integers are irrational numbers
False
The distance a number is from zero
Absolute value
Is 42.5 rational or irrational? Explain.
Rational, terminating decimal
Write 5/99 as a decimal.
0.0505050505...
The temperature was -12.6 degrees. The temperature goes up 7.9 degrees. What is the new temperature?
-4.7
What is the missing number?
(3 + 4) + 7 = 3 + (4 + ___)
7
Which equation shows the Identity Property of Multiplication ?
A. a + a + a = 3
B. (a + b) + 5 = a + (5 + b)
C. a x 1
D. a(b + c) = ab + ac
C
Are whole numbers that also include all the negative whole numbers. So they are as small as -infinity and as big as infinity.
Integers
Is 2/3 rational or irrational? Explain.
Rational, it is a fraction.
Write 2/4 as a percent.
50%
When adding two negative numbers, the sum will be negative.
Always, sometimes or never true.
Always
What is the property?
36 x 1=36
Identity Property of Multiplication
Terminating decimals have a denominator of 1 with zeroes
True
Any number that is NOT a rational number. That is numbers that have a repeating fraction or decimal. Pi is a complex number. It never ends. 1/3 is a repeating fraction.
Irrational Number
Is 81.23232323... rational or irrational? Explain.
Rational, it is a repeating decimal
What is 55/100.... as a percent?
55%
-3/4 / -1/2
1 1/2
Which is an example of Identity Property of Addition
A. 8 x 1 = 8
B. 9 + 7 = 7 + 9
C. 5 + 0 = 5
D. (7 + 3) + 2 = 7 + (3 + 2)
Which Property of Multiplication is shown ? (4 + 3) x 9 = 4 x 9 + 3 x 9
A. Associative Property
B. Commutative Property
C. Identity Property
D. Distributive Property
D
This is all the counting numbers and also the number 0.
Whole Numbers
Rational or Irrational
39.604156...
Irrational
What is
3/5
as a percent?
60%
|-10| - 3
7
In which property does changing the grouping of the factors order not change the product?
Associative Property
|-15| + -4
11
Tessa bought stock in a restaurant for $170.00. Her stock is now worth $251.60. What is the percentage increase of the value of Tessa's stock?
48%