Maths practice for 9-year-olds - page 10 of 20
Number of problems found: 400
- Paralympics
Milan competed in the Paralympics. He finished as the winner with a time of 4 minutes and 37 seconds. The competitor in second place was 53 seconds slower. What time had the competitor in second place? - Beginning 6710
Artisans build a fence 24M long. The posts are placed 3 m apart. We will also set the posts at the beginning and end of the fence. How many posts will be needed? - Vacation 6692
There are 22 pupils in the class. During the holidays, nine students will go camping. Fifteen pupils will go on holiday together with their parents. How many students will go to summer camp and a family vacation? - Divide 6677
How do we call one part when we divide the whole into 5 (6,7,8,9,10) equal parts?
- Third of an hour
How many minutes is a third of an hour? Do you know how to find a third of the lesson hour (45 minutes)? - 3 cats
Three cats eat three mice in 3 days. How many mice will be eaten by ten cats in 10 days? - Sum-add-multiply
Increase the product of numbers 7 and 8 by the sum of numbers 7 and 8. - Unclassified 6521
No one was left unclassified after joining the two, three, four, and eight steps. How many students were there in a physical education class? - Adding shapes
Five triangles + 1 square = how many sides in all?
- Connect 6500
Draw the line KL = 55mm. Draw a circle k with center K and a radius of 4cm. Mark the points to belong to the circle and connect them with point L. - Buns and toasts
Two buns weigh 10 grams more than two toasts. One Bun and two Toast weigh a total of 110 grams. How many grams weigh three toasts? How many grams does a Bun weigh? - Fifteen 6468
Fifteen horses consume 1050 kg of oats per week. How many times do three horses consume less than 15 horses? - Snacks
The school has 344 pupils. Half of them take snacks, and 13 pupils who took snacks did not attend school. Thus, there are 344 snacks left. - Yesterday 6386
The student was nine years old yesterday. How many days old is he? When a year has 365 days. And don't forget how much is a leap year.
- Arithmetic 6299
We entered the number 5068 into the calculator and performed an arithmetic operation, after which the number 2725 appeared on the display. Which function did we choose? - Kilometers 6158
Cycling races have 5 stages. They are 181km, 212km, 188km, 207km, and 189km long. And how many kilometers is the entire route of the race? b, how many kilometers would it measure if the longest leg were halved? c, how many kilometers would it measure if t - Expeditions 6119
There are 99 athletes on the American team. There were 35 more athletes in the Japanese expedition than in the American one. There is an eighth less in the Czech expedition than in the Japanese expedition. How many athletes are there on individual expedit - A rectangular
A 40 m long and 30 m wide rectangular garden is to be fenced with fence posts at each corner. All the other posts will be 5 meters apart. How many posts will be needed to fence the garden? - The school
The school has 268 boys. Girls are 60 more than boys. How many children are there at school?
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