# Expression of a variable from the formula - 6th grade (11y) - math problems

#### Number of problems found: 109

• Expression
Solve for a specified variable: P=a+4b+3c, for a
• Expressions
Expression (3a-7).(3a+7) is identical with: ?
• Simplify
Simplify the following problem and express as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5]
• A number 2
A number decreased by the difference between four and the number
• Even / odd numbers
a / Using variable n write two consecutive odd numbers. b / the sum of three consecutive odd numbers is 333. What are this numbers?
• Find unknown 2
Find unknown denominator: 2/3 -5/? = 1/4
• Hotel
The hotel has a p floors each floor has i rooms from which the third are single and the others are double. Represents the number of beds in hotel.
• Simple equation 3
24 = n • 27, solve for n
• Two thirds
Find two-thirds of the number equal to two-thirds of 99
• Circle - simple
The circumference of a circle is 198 mm. How long in mm is its diameter?
• Playground
Rectangular playground is fenced with 38 m long netting. Its width is 7 m. Calculate its length.
• A rectangle
A rectangle has an area of 36 cm2. What could the length and width of rectangle be?
• Euros
Peter spent a quarter of his pocket saving. He has 9 euros now in his wallet . How many euros spent?
• Orchard
3/5 of the trees in the orchard are apples, 1/3 are cherries and the remaining five trees are pear. How many trees are in the orchard?
• Clothes
Danka and Janka collect clothes. Danka had 9 more than Janka, so she gave her 7. Which now has more cloth and how many?
• Floor
Rectangular floor of living room has a length 5.4 meters and a circumference 17.2 meters. What is its width?
• An equilateral triangle
The perimeter of an equilateral triangle is 33cm. How long is each side?
• The parallelogram
The parallelogram has one side 2 dm long, which is one-sixth of its circumference. How many cm does the other side of the parallelogram measure?
• Cube basics
How long is the edge length of a cube with volume 15 m3?
• Number of songs
Write an expression for the number of songs they need for this show. Evan and Peter have a radio show that has 2 parts. They need 4 fewer than 11 songs in the first part. In the second part, they need 5 fewer than 3 times the number of songs in the first

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Expression of a variable from the formula - math word problems. Examples for 6th grade (the sixth graders).