Rational Numbers
Adding and Subtracting
Multiplying and Dividing
Potpourri
Story Problems
100
1. -3/11
What is -0.27
100
8. 5.73-(-3.56)
What is 9.29
100
15. (-2/5)(-1 1/4)
What is 1/2
100
20. 9.408 ÷ (-2.45)
What is -3.84
100
21. How many 2/3-ounce packages of peanuts can be made with 8 ounces of peanuts?
What is 12 packages
200
3. 3.42
What is 3 21/50
200
9. -5/3+2 1/3
What is 2/3
200
16. 0.15 x (-0.6)
What is -0.09
200
7. Your skateboard ram is 2 3/8 feet high. Your friend's skateboard ramp is 2 2/5 feet high. Which skateboard ramp is higher?
What is Your friends, 2 2/5 feet
200
22. a) Your medium mixing bowl can hold 8 cups. Will it be large enough for this recipe?
What is No
300
2. -3 13/20
What is -0.65
300
10. 4 2/5 - (-6 1/2)
What is 10 9/10
300
17. -4.2 ÷ 12
What is -0.35
300
13. A gallon of milk is 3/4 full. After breakfast the jug is 1/12 full. Find the difference of the amounts before breakfast and after breakfast.
What is 2/3
300
22. b)Your recipe can make 3 1/2 dozen cookies. If you make 3 full recipes, how many cookies will you have?
What is 126 cookies
400
4. -0.35
What is -7/20
400
11. -9.24 + (-2.89)
What is -12.13
400
18. -2/7 ÷ (-8/21)
What is 3/4
400
14. You buy a bag of dog food for $12.59 and a bottle of dog shampoo for $4.75. How much more did the dog food cost than the shampoo?
What is $7.84
400
23. b) The bank charges a $25 overdraft fee when the account balance is less than $0. Will the bank charge a fee for any of the transactions?
What is Yes. The MP3 Player
500
5. -7.275
What is -7 11/40
500
12. Find the distance between the two numbers on the number line. -7 -3 1/2 ____.___________________________._______
What is 3 1/2
500
19. 2/3 • (-2 1/4) • (-1 1/2)
What is 2 1/4
500
6. Order the numbers from least to greatest 4/5, -1.6, -4/3, 0.9, 2/3
What is -1.6, -4/3, 2/3, 4/5, 0.9
500
23 a.) Find the balance after each of the transactions.
What is 32.75 115.05 -19.80
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