Vocabulary Term
Rational Numbers
Adding Rational Numbers
Subtracting Rational Numbers
Multiplying/Dividing Rational Numbers
100
What word does the word "rational" come from?
What is ratio.
100
Write the decimal as a fraction: -0.7
-7/10
100
-12.5 + 15.3
2.8
100
1/3 - (-1/3)
2/3
100
Multiply: -2.5 x 3.6
-9.00
200
What is the difference between a repeating decimal and a terminating decimal?
A terminating decimal stops and a repeating decimal has a "repeating" bar over it.
200
Write the fraction as a decimal: 1/11
What is __ 0.09
200
0.65 + (-2.75) = ?
-2.1
200
0.41 - (-0.07)
0.48
200
-6/5 ÷ (-1/2)
What is 2 2/5
300
When you deposit money, do you add or subtract from your total?
You add.
300
Write the decimal as a fraction: -1.64
What is -1 16/25
300
15/4 + (-4 1/3)
-7/12
300
-7.34 - (-5.51)
What is -1.83
300
-7.2 x 0.1 x (-100)
72
400
What is an improper fraction and give an example.
An improper fraction is a whole number and a fraction combined.
400
Should the "question mark" be a <, >, or = sign for the following equation: -2.2 (?) -2.42
What is ">"
400
Evaluate the expression when x = 1/3 and y= -7/4 x + y
1/3 + (-7/4) = -1 5/12
400
Evaluate the following expression: 2 1/6 - (-8/3) + (-4 7/9)
What is 1/18
400
8.722 ÷ (-3.56)
-2.45
500
When we refer to "sea level," what number does that represent?
What is "0."
500
A box turtle hibernates in sand at -1 5/8 feet. A spotted turtle hibernates at -1 16/25 feet. Which turtle is deeper?
What is the spotted turtle -1 4/5 feet.
500
Your bank account balance is -$20.85. You deposit $15.50. What is your new balance?
-$5.35
500
A cook has 2 2/3 cups of flour. A recipe calls for 2 3/4 cups of flour. Does the cook have enough flour? If not, how much more flour is needed?
No. The cook needs 1/12 cup more.
500
The hand of a clock moves -30 degrees every hour. How many degrees does it move in 2 1/5 hours?
-66 degrees
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