ADDING RATIONAL NUMBER
Add.
(-4) + (-3) =
- 7
Subtract.
4 - (-2) =
6
Multiply.
(-6) X (-4) =
Positive 24
Divide.
(-21) / (-3)
Positive 7
What is the absolute value of |-44| ?
44
Add.
15 + (-9) =
6
Subtract.
-25 - (-5) =
-20
Multiply.
2.6 x (-1.5) =
-3.9
Divide.
100 / (-5)
-20
True or False? |-8| = 8
True
Add.
(-3.45) + (-2.16) =
-5.61
Subtract.
(-7.7) - (-2.9) =
-4.8
Multiply.
-10/5 X -3/4
-1 1/2
Divide.
-7/12 divided by 1/6
- 3 1/2
| 3 - 5 | = ?
Positive 2
Add.
3/6 + (-2/5) =
1/10
Subtract.
4/6 - (-5/3) =
2 1/3
Multiply.
-5/6 X 2/5
-1/3
Divide.
3 2/3 divided by -2/3
-5.5 or -5 1/2
| 5 - 6 | = ?
Positive 1
Maurice walked 1/2 of a mile to his friends house and 2/3 of a mile to the park. How many miles did Maurice walk in all?
Write your answer as a mixed number.
1 1/6 miles
Last year on Halloween the temperature in New Albany was 45 degrees F, while the temperature in Canada was -12 degrees F. What was the difference between the two cities?
57 degrees F
John and Ben are descending from the summit of a mountain. John has -1.2m change in elevation. Ben's change in elevation is 3.5 times as great as John's elevation.
What is Ben's change in elevation?
Ben's change in elevation is -4.2 meters.
The location of a submarine changes by -6/100 km each minute. How much time does it take it to get to the sea bottom which is -3/4 km?
Hint:
Take -3/4 divided by -6/100
12.5 minutes
Which of these situations represent a sum of 0?
a.) Dylan made $20 cutting grass. He spent $20 at the mall.
b.) Cheyenne bought 36 cupcakes for a party. 18 were eaten.
c.) James spent $7 on a new game and $7 on lunch.
d.) Joseph made 24 cookies. He ate 12 and gave 12 away.
A & D