Opposites
Random
Word Problems
Representing Rational Numbers
Rational to Decimal
100
Write the opposite of the rational number.
-2.75
2.75
100
Define: positive numbers
a number greater than zero.
100
The transaction on a bank account is listed as -$15, -$10, -$4, and $15.
What does a transaction of -$4 represent?
A withdrawal of $4 or $4 spent
100
Represent using rational numbers.
An increase of 15.8 points
15.8 or +15.8
100
What 3/8 as a decimal?
.375
200
Write the opposite of the rational number.
17/5
-17/5
200
Define: negative numbers
A number less than zero.
200
The transaction on a bank account is listed as -$15.25, -$10.50, -$4.12, and $15.25
Which pair of transactions are opposites? Explain.
-$15.25 and $15.25; They have the same distance from 0 but on different sides of 0 on the number line.
200
Represent using rational numbers.
A temperature 8.25° above zero
8.25° or +8.25°
200
What is 5/9 as a decimal?
.5 repeating
300
Which graphed integers are opposites?
10 and -10; 30 and -30
300
Give real-world examples of numbers that are opposites of each other.
-2° and 2°
300
Jose collects baseball cards. Over the last year, the change in value of his favorite card is -$7. Which best describes the meaning of this integer?
A. The card is now worth $7
B. The value of the card increased by $7
C. The value of the card decreased by $7
D. The card is now worth -$7
C. The value of the card decreased by $7
300
Represent using integers.
1,255 feet below sea level
-1,255 feet
300
what is 17/4 as a decimal?
4.25
400
What integer is the only integer that is its own opposite. Explain your answer
0, is the only integer that is its own opposite because 0 is neither positive nor negative.
400
When are two numbers considered opposites?
When numbers have the same distance to zero but on are on different sides of zero.
400
Mila first stands on a diving board that is 3 feet above the surface of the water. She then dives to the bottom of the pool, to a depth of 10 feet.
If the surface of the pool is 0, use integers to represent these two locations.
3 feet and -10 feet
400
Represent using rational numbers.
A withdrawal of $34.50
-$34.50
400
What is 5/16 as a decimal?
.3125
500
Two integers are opposites of each other. One integer is 5 units to the right of 1 on a number line. What are the two integers?
6 and -6; 6 is 5 units to the right of 1, which makes -6 as its opposite.
500
What are rational numbers?
A numbers that can be written in the form a/b.
500
Explain how to use a number line to find the opposite of the integer that are 4 units away from -6.
First, count 4 units away from -6 from both directions and identify the two numbers. Then, find the numbers that are the same distance from 0 as the two numbers, but on opposite sides of 0.
500
Represent using integers.
43 units to the left of zero
-43
500
18/13
1.384615 repeating