Maths practice for 11-year-olds. - page 209 of 222
Number of problems found: 4421
- Sisters
Sisters Hanka and Vera go mostly to their grandmother by bicycle. Journey took Hanka 30 minutes and Vera 20 minutes. How long will Vera catch up with Hanka when she starts from home five minutes later than Hanka? - Number
Determine an unknown number if you know that the difference between five times and triple of number is 54. - Unknown integer
Find the smallest integer: Divided by 2, the remainder is 1. divided by 3. The remainder is 2. divided by 4. The remainder is 3. Divided by eight, the remainder is 7. Divided by 9, the remainder is 8. - Chicken and rabbits (classic)
Grandmother bred chickens and rabbits. It found that the yard has 25 heads and 70 legs. How many chickens and rabbits breed in the yard? - Ratio of perimeters
Rectangle ABCD has dimensions 11 cm and 7 cm, and KLMN rectangle has dimensions 10 cm and 10 cm. Calculate the ratio of the perimeter ABCD and perimeter KLMN. - The carpet
How many meters of carpet 90 cm wide need to cover the floor room, which has a rectangular shape with lengths of 4.8 m and 2.4 m, if the number of pieces on the carpet is needed to be lowest? - Draw it!
Draw two lines c, d that c || d. On line c, mark points A and B. By point A, a lead perpendicular line to c. By point B, lead perpendicular line to c. - Monthly payments
Novákovi pays for electricity, and monthly pays at the end of the year still bill 25 Euro. Total per year pay 512 Euro. What were their monthly payments? - Birthdate
Jane brought 30 lollipops and 24 chewing gum for their friends on her birthday. How many friends does she have if everyone receives the same number of lollipops and chewing gums? How much chewing gum and lollipops have any friends? - Time
16.7 days ..... how many hours is it? - Wood bars
It is 9 bars 14 meters long and 9 bars 11 meters long. How many 5-meter laths are needed to make them? - Cycling
The cyclist goes on a trip. First, I drove at 3 hour at an average speed of 44 kilometers per hour, then slowed down, and another 2 hours driving at a speed 21 kilometers per hour. How many total kilometers are cycling? - Brothers and sisters
Lenka has as many brothers as sisters. Her brothers have twice as many sisters as brothers. How many brothers and sisters are in the family? - Rectangle
The rectangle area is 182 dm², and its base is 14 dm. How long is the other side? Calculate its perimeter. - Family and age ratios
The age of father and son is in the ratio 10:3; the age of father and daughter is in the ratio 5:2. How old are father and son if the daughter is 20? In what ratio is the age of sister and brother? - One and a half chicken
One and a half chicken bears one and a half eggs in one and a half days. How many eggs can withstand from 9 chicken in 9 days? - Turtles Žofka and Julka
Gray wolf kept in his tent turtles Žofka and Julka together for 200 years. After 50 years, Julka will be two times older than Žofka. How old are the turtles? - Crown
Siblings collect 2-crowns and 5-crowns. Together, have 80 coins with a total value of 310 crowns. How many saved two crowns, and how many five crowns? - Hockey teams goals
Hockey teams fired 200 goals. The second team was 13 less than the first team, the third 16 less than the first, and the fourth team had 19 goals less than the first. How many goals fired each team? - Tiles
The hall has dimensions 250 × 200 dm. What is the largest size of square tiles that can be tiled throughout the hall, and how many do we need?
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