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Adding Rational Numbers
Subtracting Rational Numbers
Dividing Rational Numbers
Multiplying Rational Numbers
Complex Fractions
100
3.15 + 2.25
5.40
100
8/11 - 3/11
5/11
100
1/4 divided by 3/8
2/3
100
5(1/3)
1 and 2/3
100

(1/5) x (3/8) x (-5)

-3/8

200
0.38 + (-1.2)
-0.82
200
- 4/13 - 8/13
-12/13
200
-20 divided by 0.5
-40
200
-3.2 x 5
-16
200

0.01(4.6)(-200)

-9.2

300
9/25 + (-17/25)
-8/25
300
-0.06 - (-0.86)
0.8
300
-15 divided by -5/8
24
300
-1/6 (-2/3)
1/9
300

(-17.2 x 2.5) x 4

-172

400

-5/4 + 1/12

-1 1/6

400
-5/12 - (-2/24)
-1/3
400
Emma bought 2 and 1/2 yards of ribbon to make bows for 4 of her friends. How much yard will she use for each ribbon?
5/8 yards
400
-2.57 (-.5)
1.285
400

     (14/9) 

___________

(-1/3) - (1/6)

-3 1/9

Half points for (-28/9) 

500
To make a small amount of play dough, you can mix 1 cup of flour, 1/2 cup of salt and 1/2 cup of water. What is the total amount of ingredients added to make the play dough?
2 cups
500
The snowfall in Rochester, NY in the winter of 1999-2000 was 91.5 inches. Normal snowfall is about 76 inches per winter. How much more snow fell in the winter of 1999-2000 than is normal?
15.5 inches
500
List all the properties for adding, subtracting, dividing, and multiplying positives and negatives?
-Add: Same sign? Yes: Add, keep sign OR No: Subtract, sign of biggest number. -Subtract: Keep, change, opposite and use addition rules -Multiply/Divide: Same sign: Answer is positive Different sign: Answer is negative
500
Joe had a breakfast party. He invited four of his best friends. Each friend brought 3.4 cups of coffee. How much coffee did they all bring together?
13.6 cups
500

 -12/5 + 3/10

_____________

11/14 - (-9/14)

-1 47/100


Half points for (-147/100)