# Examples for 6th grade (the sixth graders) - page 51

1. Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
2. It is 2
It is 90 feet from home plate to first base on a baseball diamond. What is the area of the baseball diamond in square yards?
3. Doses
A child is to receive a dose of 0.5 teaspoon of cough medicine every 12 hours. if the bottle contains 60 doses, how many days will the medicine last?
4. Simplify 3
Simplify mixed numerals expression: 8 1/4- 3 2/5 - (2 1/3 - 1/4) Show your solution.
5. Area of a triangle
What is the area of a triangle that has the base 4 1/4 and the height of 3 3/3?
6. Reducing scale
I am sizing some landscaping and I measured everything for a 20 to 1 scale. I realized when I was done that it was at 30 to 1. How can I convert what I already have to 30 to 1. (Example, grass area is 22,871.6' at 20 to 1, how do you figure it out to be 30
7. Pizza 5
You have 2/4 of a pizza and you want to share it equally between 2 people how much pizza does each person get?
8. Birthday party
For her youngest son's birthday party, mother bought 6 3/4 kg of hotdog and 5 1/3 dozens bread rolls. Hotdogs cost 160 per kilogram and a dozen bread roll costs 25. How much did she spend in all?
9. Customary length
Convert length 65yd 2 ft to ft
10. Chewing gums
For 3 chewing gums, you will pay 20 CZK less than 7 chewing gums. How much is 1 chewing gum and how much does a 5pcs package cost?
11. Adding mixed numbers
Add this two mixed numbers: 1 5/6 + 2 2/11=
12. To improper fraction
Change mixed number to improper fraction a) 1 2/15 b) -2 15/17
13. Pencil cut
Veronika cut 10cm pencil. Each turn, the pencil was reduced by 0.2mm. She turned the pencil 100 times. How many centimeters has a pencil now?
14. The lowest
The lowest temperature on Thursday was 20°C. The lowest temperature on Saturday was 12°C. What was the difference between the lowest temperatures?
15. Unknown number
I think the number. I'll reduce it to its one-third. The result is then increased by one-third, and I get the number 12.
16. Difference in temperatures
The temperature in the number line show minus 15 degree celsius and 8 degree celsius. What is the different between the temperatures?
17. If you
If you travel to work 22 days and it takes 29.2 minutes, how many minutes will it take to travel to work and back?
18. Expression
Solve for a specified variable: P=a+4b+3c, for a
19. Water 31
Richard takes 3 1/6 liters of water before noon and 2 3/5 liters of water after noon. How many litres of water does Richard consume a day ?
20. A man
A man spends 5/9 of his money on rent, and 5/16 of the remainder on electricity. If the final balance remaining is 550 find how much was spent on rent

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