Expression of a variable from the formula - practice for 10 year olds
Number of problems found: 46
- An orange
An orange Grove has 858 trees. There are 33 rows, each with the same number of trees. How many trees are in each row - Bea, Gerald and Julia
Bea is two years younger than Gerald, but Julia is 8 years older than Gerald. If Julia is 29, how old is Bea? - The length 18
The length of a rectangle is three times its width. Suppose the perimeter is 96 cm. Calculate the width of the rectangle. - Four bricks
A trolley carrying 4 bricks weighs 16 kg. When 1 brick is taken away, it weighs 13.5 kg. How much does it weigh if 1 brick is in the trolley?
- Cardinals and robins
Lee saw c cardinals and 5 robins in his yard. Write the expression that shows the number of birds Lee saw in all. - A sticky
A sticky note shaped like a rectangle has an area of 72 square centimeters. It has a width of 8 centimeters. How long is the sticky note? - The product 13
The product of two numbers is 48, and one of the numbers is 12. Find the other number. - Jason 2
Jason built a rectangular tool shed that is 888 meters wide and has an area of 969696 square meters. What is the length of Jason's tool shed? - The difference
If the difference between a number and 17.85 is 3.6, what is the number?
- Approximate 83298
They planted 5,600 tulips in the garden bed, an average of 50 tulips per 1 m². What is the approximate size of the flower bed? - Calculate 83251
Calculate the perimeter of a square whose area is 25 dm². - Equilateral 83145
Calculate the side of an equilateral triangle if its perimeter is 132 cm. - Parallelogram 82569
In a parallelogram, we know the length of one side. Calculate the length of the other side: o = 15cm; a = 3 cm - Equilateral 82136
A three-sided prism with a base in the shape of an equilateral triangle has a volume of 370 dm³. What is the volume of its base if it is 50 cm high?
- Calculate 81743
Calculate the size of the other side of the rectangle if the size of one of its sides is 90m and the area is 3600 m². - Perimeter 81458
Find out if a square with a perimeter of 12 CM has an area greater than 12 cm² - Rectangle 80659
One side of the rectangle is 14 cm long. The perimeter of the rectangle is 32 cm. Calculate the length of the other side of the rectangle. - Expression values
Let A = 5, B = 4.4, and C = 4.25. Find the value of each expression listed below. A² × (B - C) B × (A - C) B + C - A A - B + C - Arlene
Arlene weighs 55.8 kg. Tina is two times heavier than Arlene. Together with Karen, the three of them weigh 210.09 kg. How many kilograms does Karen weigh?
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