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Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
Mystery Box
100
15.23 + 3.31
18.54
100
18.5 - 1.29
What is 17.21?
100
(-12)(-4)
What is 48?
100
-27 / 3
What is (-9)?
100
7(20 - 2) =
126
200
3/5 + 2/9
37/45
200
4/5 - 2/3 =
2/15
200
(12)(-3.3)
What is (-39.6)?
200
25 divided by (-2.5)
What is -10?
200
Sarah bought three shirts that each cost $15.50. How much did she pay in all?
What is $46.50?
300
-9/4 - (5/2)
-19/4
300
-3/4 + 7/8
1/8
300
(7/5)(-6/7)
-6/5
300
7/4 divided by (-7/3)
-3/4
300
A recipe called for two and half cups of sugar. If Sarah wanted to double the recipe, how many cups of sugar would she need?
5 cups
400
-19.24 + (-2.03)?
What is -21.27?
400
-42.12 - 89.35
What is -131.47?
400
(-3)(7)(-2)
What is 42?
400
Two and a half divided by negative one fourth
-10
400
Jana's hourly salary is $9.15. Last week, she worked 12 hours. How much did she earn?
What is $109.80?
500
-3/4 - 8/3 =
What is -41/12?
500
-8/9 + (4/3)
What is 4/9?
500
(-3/4)(4/5)(5/3)
What is -1?
500
(-5.44) divided by 1.6
-3.4
500
10 - 3 x (5 - 2) + 4
5