Rational Number Operations, Rational Number Operations, Operations with Rational Numbers
1/18
-1/2 - (-5/9)
-1/3
11/12 + (-7/12)
-42
5 x (-8 2/5)
0.85
Write 17/20 as a decimal.
product
the answer to a multiplication problem
Dividend
the number that is being divided
4 3/50
Write as a fraction.
53/8
Write as an improper fraction.
6.25
Mya creates the table to show how much fruit to put in her shake. How much fruit should she use if she is making 5 servings?
$0.60
Justin gives his sister 3/5 of his dollar. How much money is that?
-432.558
-102.99 x 4.2
11
-22.44/-2.04
21/22
-3 1/2 ÷ -3 2/3
-3.45
-3.1 + (-0.35)
-1 2/5
-4 1/5 x 1/3
-12 3/5
-4 1/5 ÷ 1/3
161.28
-7.2(-22.4)
-1.83
-7.34 - (-5.51)
-18 13/24
-8 3/8 - 10 1/6
-5/14
-9/14 + 2/7
Reciprocal
1 divided by the number example: the reciprocal of 8 is 1/8
-7/12
15/4 + (-4 1/3)
-1/4
5/8 - (7/8)
1.425
6.84 ÷ 4.8
Zero pair
A number and its opposite, which add to zero Example: 2 and -2
Positive Number
A number greater than zero. We use + or just the number to show a positive number. example: 4 or +4
Negative Number
A number less than zero. We use - to show a negative number. example: -3
Rational Number
A number that can be written as a fraction. Examples: 3, 0.25, 1/4, -4
Factor
A number that is multiplied by another number to get a product
Whole number
A positive number where there is no fraction or decimal part
Integer
A positive or negative number but NOT a fraction or a decimal. examples: 3, -4, 9, -20 non examples: -0.6 or 1/4
-7.23
Alice had ─$17 in her bank account. She added the $64.27 she earned that week.Then, she spent $54.50 on a new game. How much money is in her account now?
-$11.84
Brian buys 2 books for $15.99 each, a DVD for $19.95, and a magazine for $2.50. He also returns a jacket that costs $42.59. What is the net change in the amount of money he has after his shopping trip?
Equivalent
Equal to. Having the same amount of value. Example: 3 = 3
1/20
Find the product of -2/11 and -11/40
128
Henry goes to the carnival with 3 friends. They each ride 5 rides at $5.50 per ride. Two of them buy an ice cream cone for $2.00 each.Henry buys a hot dog for $4.00 and his friend has a hamburger for $3.00. Each of the 4 friends buys a drink for$1.75. What is the total amount they spend at the fair?
-8.75
Over the course of a 7 week aerobics class, the people participating have a combined weight change of ─35 pounds.If there are 4 people in the class, what is the average change in weight per person?
-0.75
Shayla cuts 6 strips of ribbon to make hair bows. When she is done, she realizes that each strip is 18 inch too short. How does the total length of the strips compare to what their total length should have been?
Quotent
The answer to a division problem
Divisor
The number you divide by
Additive inverse
The opposite of a number. Example: -4 is the additive inverse of 4
Opposite Numbers
Two numbers that have the same numerical value but opposite signs. example: 5 and -5 are opposite numbers
8 17/50
Write 8.34 as a mixed number in simplest terms.
0.45
Write 9/20 as a decimal.
0.36
Write 9/25 as a decimal
