Multiplication - practice for 13 year olds - page 25 of 28
Number of problems found: 556
- Racing track
On the racing track circling three cars. The first pass one circuit for 8 seconds, the second for 20 seconds, and a third for 8 seconds. a) Calculate the number of seconds since starting to catch all three cars together for the first time again across the - Snowman
In a circle with a diameter of 40 cm are drawn three circles (as a snowman) where: its diameters are integers, each larger circle diameter is 2 cm larger than the diameter of the previous circle. Determine snowman height if we wish for the highest snowman - Logik game
Letter game Logik is a two-player game that has the following rules: 1. The first player thinks five-letter word in which no letter is not repeated. 2. The second player writes a five-letter word. 3. The first player answers two numbers. The first number - Soup
47% of pupils at the school eat in the canteen, 1/47 of students who eat in the canteen eat lunch soup. a) What percentage of pupils who eat in the canteen and eat soup for lunch? b) What percentage of all pupils of school eat lunch soup?
- Pairs
Teachers must choose one pair of boys and girls from the five girls and four boys. A) How many such pairs of (M + F)? B) How many pairs were only boys (M + M)? C) How many are all possible pairs? - Double percent
What is 40% of 80% of 11800? - Task of the year
Find the number of integers from 1 to 106 with ending four digits 2015. - Ratio
Unfold number 1963 in the ratio 9:2:2. - Word problem
348 students were on holiday in Hungary. 133 bought pizza, chips 28 pupils, 25 pupils bought soda, butter 26 pupils, 15 pupils fruits, vegetables 29 students. How much pay for all the food, if every meal costs 5.3 euros?
- Unions
Calculate how much money per year would go to the treasury of unions if 976 thousand employees join unions with an average net salary of 587 euros and if union membership costs 1% of the net monthly salary. - Lorry
The lorry was loaded with 18 boxes of 15 kg. How many boxes with weight 18 kg can be loaded if the total load must be the same? - XY triangle
Determine the area of a triangle given by line 7x+8y-69=0 and coordinate axes x and y. - Cars plates
How many different license plates can a country have since they use 3 letters followed by 3 digits? - Lock
A combination lock will open when the right choice of 3 numbers (from 1 to 16 inclusive) is selected. A. How many different lock combinations are possible? B. Is the combination lock named appropriately?
- Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there? - Words
How many 2 letters "words" are possible using 14 letters of the alphabet? a) without repetition b) with repetition - Shelf
How many ways are there to arrange 6 books on a shelf? - Kids
How many different ways can sit 8 boys and 3 girls in line if girls want to sit on the edge? - Count of roots
How many solutions have equation x. y = 7757 with two unknowns on the set of natural numbers?
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Multiplication practice problems. Maths practice for 13 year olds.