# Examples for 5th grade (the fifth graders) - page 21

1. Tailor 5
A tailor uses 13/4m of cloth to stitch a skirt. How many metres of cloth is needed to stitch 16 skirts?
At a weather centre, the temperature at midnight was -2 degree Celsius and by noon it had raised 4 degree Celsius. What is the new temperature?
3. Lake or pond
The landlord has a square lake. Trees grow around this lake. The lake wants to enlarge the pond twice and does not want to cut down or flood any tree. How will he do that?
4. Mystery number
A mystery number is between 800 and 920. No digits are the same. The difference of the number is 5. What is the mystery number?
5. Twins with friend
The twins Danka and Janka went to the cinema with their friend Betka. Only six seats in the second row were available in the cinema. How many do they may sit, if the twins want to sit next to each other, Danka always to the right of Janka and Betka near on
6. Icecreams
Karthik bought 30 icecreams for his birthday .2/5 of them are chocolate icecreams. Find the number of chocolate icecreams he bought?
7. Outside temperature
The temperature outside was 57 degree Fahrenheit. During the next few hours it decreased by 18 degrees and then increased by 23 degrees. Find new temperature.
8. Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
9. 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?
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. 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?
13. Hr to min
Sue biked to school in 5/12 of an hour. How many minutes did it take her to ride to school?
5 triangles + 1 square = how many sides in all
15. This morning
This morning it was 80 degrees F outside the temperature increased 12 degrees F. What is the temperature now?
16. Addition of mixed numerals
Add two mixed fractions: 2 4/6 + 1 3/6
17. A rectangular
A rectangular garden 40 m long and 30 m wide is to be fenced with fence posts at each corner. All the other posts will be 5 meters a part. How many posts will be needed to fence in the garden.
18. Multiples
What is the sum of the multiples of number 7 that are greater than 30 but less than 56?
19. The temperature
The temperature at 1:00 was 10 F. Between 1:00 and 2:00, the temperature dropped 15F. Between 2:00 and 3:00, the temperature rose 3F. What is the temperature at 3:00?
20. Written number
Place+values x ten thousands =30 thousands

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