Rational/Irrational Numbers
Significant Digits
Operations with Integers
Operations with Fractions
Operations with Decimals
100
Which type of numbers can be written as a fraction m/n?
Rational Numbers
100
How many significant digits? 1,058,103
7
100
-8 + (-11)
-18
100
1/2 + (-5/6)
-1/3
100
3.38 + (-5.6)
-2.22
200
Write 2.6 as a rational number in m/n form. Make sure to simplify your answer.
13/5
200
When are zeros significant?
When they are between non-zero digits and when they are trailing.
200
-24 - (-10)
-14
200
(-1/7) - 3/14
-5/14
200
-8.6 - 3.27
-11.87
300
Write 11/15 as a repeating decimal.
0.73 (bar over the 3)
300
How many? 0.057
2
300
6 x (-100)
-600
300
7/30 x (-6/7)
-1/5
300
-7.23 x 4.6
-33.258
400
Order the real numbers from least to greatest: 5 11/13, -8.283, square root 30, -84/25
-8.283, -84/25, square root 30, 5 11/13
400
How many? 267.970010
9
400
-900 / 100
-9
400
(-1/4) / (3/8)
-2/3
400
-31.92 / -4.2
7.6
500
Rational Numbers and Irrational Numbers both fall under the category of __________ ______________.
Real Numbers.
500
How many? 14,000,612,000
8
500
-10 + (-20) x 2 - 5
-55
500
A recipe calls for 2 cups of milk and 3/4 cups of sugar. You want to make 1/3 of the recipe. How much of EACH ingredient do you need?
2/3 cup milk and 1/4 cup sugar
500
You want to buy an outfit that totals $125, but you also need to pay a 7% sales tax. How much will your total bill be?
$133.75
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