Maths practice for 9-year-olds - page 18 of 23
Number of problems found: 460
- Calculate 3649
The summer holidays begin at midnight on June 30. Calculate how many days remain until the beginning of the summer holidays. Calculate how many minutes it has been since you read this text.
- Dividing by five and ten
Number 5040 is divided by the number 5 and by the number 10: a = 5040:5 b = 5040:10
- Difference 3585
The magician thinks of a number greater than the difference between the numbers 500 and 100 but less than the number 402. Which number does the magician consider?
- Children 3559
The children went on a school trip, not in triplets. Simona, Soňa, and Stáňa noticed that the seventh trio was in front and the fifth trio was in the back. How many children went on a school trip?
- Czech crowns
Oldrich has one crown. Peter has five crowns coin, a two crown coin, and a one-crown coin. Radek has a twenty-crown banknote, ten banknotes, and a five-crown coin. The boys got one fifty-one crown and one crown coin. How can they share the money fairly wh
- Tourists 3440
Eight tourists went on a trip. How did they split equally into two cars?
- Add symbols
Add marks (+, -, *, /, brackets) to fullfill equations 1 3 6 5 = 10 This math problem is for the 4th grade of primary school - with no negative numbers yet.
- Student's 3366
Dorothy had a total of 22 scores in her school book. She had three times less score 1 than score 3. She had only two scores 2. How many scores, 1 and 3, did Dorothy have in her school book?
- Wednesday 3171
What doesn't apply to him if the month is 31 days and five Mondays? A-5 Saturday B-5 Sunday C-5 Tuesdays D-5 Wednesday E-5 Thursdays?
- Three numbers
How much do we increase the sum of three numbers when the first enlarges by 14, the second by 15, and the third by 16? Choose any three two-digit numbers and prove the results.
- Pohádkov 3118
The brothers live in a small house with a garden in Pohádkov. The house has four times more windows than doors. There are a total of 20 windows and doors in the house. How many windows and how many doors?
- Napkins
Viera and Darina exchanged napkins. Always three yellow for four red napkins. How many yellow napkins will Viera receive for 24 red napkins?
- Water colors
The painting workshop attends ten students. Eight students painted watercolors, and nine painted with tempera colors. How many students painted watercolors and tempera at the same time?
- Book
Louise read from their favorite book for three days, 18 pages. Every day, read the same number of pages. How many pages does she read every day?
- Circumference 3045
Calculate the circumference of the square if the length of its side a = 78cm
- Identical 3011
Daddy nailed 54 poles to 3 equal parts of the fence. How many poles did he need for a fence with ten identical parts and a goal for which he used another ten poles?
- Calculate 2974
Calculate and find the rule according to which the numbers follow: 600 300 900 1200 2100 3300. Write a few more numbers.
- Tablecloth
The table top is 90 cm long and 50 cm wide. How many cm of lace edging is necessary for the tablecloth that hangs on each side by 10 cm?
- Measuring 2942
Mr. Svoboda has 25m of carpet tape at home. He wants to hem the carpet measuring two times 2m and three times 4m. Does he have enough tape?
- Station 2899
There are 20 lights at the bus station. However, it is only two times less lit. How many lights are on at the station?
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