1. Ten pupils
10 pupils went to the store. 6 pupils bought lollipops and 9 pupils bought chewing gum. How many pupils have bought both lollipops and chewing gums (if everyone bought something)?
Grandfather have three barrels each with a capacity 2HL in the garden. How many times he can fill 10L can if two barrels are full and the third is filled with water to the half? How long it lasts water when irrigate the garden 125 liters a day?
3. Book
Jitka read on holidays book that has 180 pages. In the first week read 45 pages. In the second week she read 15 pages more than the first week. How many pages left to read it yet?
4. Thermometer
thermometer showed -12 degrees Celsius at the morning then the temperature rises by 4 degrees and later again increased by 2 degrees at the evening has fallen by 5 degrees and then fall 3 degrees. What end temperature does the thermometer show?
5. Dividing by five and ten
Number 5040 divide by the number 5 and by number 10: a = 5040: 5 b = 5040: 10
6. 3 cats
3 cats eat 3 mice in 3 days. How many mice will eat 10 cats in 10 days?
7. Eq1
Solve equation: 4(a-3)=3(2a-5)
8. If-then equation
If 5x - 17 = -x + 7, then x =
9. Product of the sum and difference
Calculate the product of the sum and difference of numbers -7 and -2.
10. Fridays
Friday 13th is in 4 days. What day is today and what day it is?
11. Clubhouse
There were only chairs and table in the clubhouse. Each chair had four legs, and the table was triple. Scouts came to the clubhouse. Everyone sat on their chair, two chairs were left unoccupied, and the number of legs in the room was 101. How many chairs w
12. Milk bill
Mrs Tara buys 2 liters of milk daily. If 1 liter of milk cost \$0.27. What will be her milk bill for 30 days.
13. Soda
A pack of 12 sodas cost 5.04. What is the unit rate in dollars per soda?
14. Hours
The lesson lasts 45 minutes. For the week, students have 18 lesson hours. How many are the actual hours?
15. Number unknown
Adela thought the two-digit number, she added it to its ten times and got 407. What number does she think?
16. House numbering
The residential house has three entrances numbered even numbers, successive immediately behind. The sum of the two numbers on the outside entrances is 68. Calculate the middle of these three numbers.