Multiplication - practice for 12 year olds - page 38 of 40
Number of problems found: 790
- Division
Divide by the number 0.2 is the same as multiplying by what number? - 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? - Chocholate
The table of chocolate is divided into squares on its surface. Lengthwise has 15 squares and widthwise 19 squares. We must chocolate broke into individual squares. How many times have we broken it to get only individual squares? It is not permitted to bre - XY triangle
Determine the area of a triangle given by line 7x+8y-69=0 and coordinate axes x and y.
- Parallelogram
Calculate the area and perimeter of a parallelogram whose two sides are long a=24 cm b=22 cm and height ha = 6 cm long. - Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there? - Count of roots
How many solutions have equation x. y = 7757 with two unknowns on the set of natural numbers? - Coke
One ton of coal is produced 772 kg of coke for iron production. How many wagons of coal by 13 tonnes per day is needed for the blast furnace, which has a daily consumption of 1020 tons of coke? - LCM
What is the least common multiple of 5, 50, 14?
- Divisibility
Determine the smallest integer which divided 11 gives remainder 4. When divided, 15 gives remainder 10 and when divided by 19 gives remainder 16. - Product
The sum and the product of three integers are 6. Write the largest of them. - Root
The root of the equation (x-10)² +4 = x² +35x is (equal or greater or less than zero). ... - Negative percentage
In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate what percentage of the company increased profits in these two years. - Forestry workers
56 laborers have employed planted trees in the forest. For 8 hour work, a day would end job in 37 days. After 16 days, 9 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 10 hours a day?
- Unknown x
If we add to the unknown number 21, then divide by 6 and then subtract 51, we get back an unknown number. What is this unknown number? - Time
Write time in minutes rounded to one decimal place: 3 h 48 m 45 s. - Bus vs. train
The bus started from point A 10 minutes before the train started from the same place. The bus went at an average speed of 49 km/h, train at 77 km/h. To point B train and bus arrived simultaneously. Calculate the train journey time if the train and bus tra - Store
One meter of the textile was discounted by 2 USD. Now 9 m of textile cost as before 8 m. Calculate the old and new price of 1 m of the textile. - Bonus
The gross wage was 1323 USD, including the 25% bonus. How many USD were bonuses?
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