Maths practice for 12-year-olds - page 123 of 355

Number of problems found: 7081

A class IV.C
In a class, 2/5 were boys. Thirty were girls. How many more girls than boys are there?
Calculate 20
Calculate the sum of 1/5 of a right angle, 3/4 of a right angle, and 3/4 of a straight angle.
Licorice
A piece of licorice is 2/3 yards long. How long will each piece of licorice last if it is cut into ten equal pieces?
Six times
Six times a number has two subtracted from it. The result is thrilling. The answer is the same if you add 6 to twice the number and multiply the result by 2.
Evaluate fractions
The difference of 5 1/2 and 2/3 is added to the product of 5/6 and 1/2
Over fraction
Solve an equation: p over 5 equals fraction numerator 7 p over denominator six end fraction plus 5.
Taken away from number
18 is taken away from 8 times, and the number is 30. Find the number.
The sum 14
The sum of five times a number and 10 equals the difference between the number and 10.
Fruit basket 2
The weight of the empty fruit basket is ¾ kg. We added ½ kg apples and 5/4 kg guavas. What will be the total weight of the fruit basket?
The rope 2
The rope in the school gym is 10 ½ feet long. Coach Hill tied a knot in the rope every ¾ foot to make climbing easier. How many knots are in the rope?
How many 16
How many three-tenths are there in two and one-fourths?
English and math
1/5 of a class study English, and 3/5 study mathematics. If the class consists of 80 students, how many students study English and mathematics in the class?
Cutting wire
If you cut a 3 ½ ft length of wire into pieces that are 2 inches long, how many pieces of wire will you have?
Perimeter - rectangle
Find the perimeter of the rectangle. A rectangle with a base of (3 5/6) m and a height of (2 3/7) m Its perimeter is x= meters. (Use fractions in your answer. )
Kilos of meat
Marry bought 6 1/3 kg of meat. Anita used 2 1/4 kilograms, Maros 2 1/8 kg, and the rest, Adam. How many kilograms of meat did she use for Adam?
Sign of a expression
What is the sign of expression: Minus 18 start fraction 9 divided by 17 end fraction plus left parenthesis minus 18 start fraction 9 divided by 17 end fraction right parenthesis?
Quotient and subtraction
Sixteen minus the quotient of 12, and what number is thirteen?
Fraction eq
2/3x + 5/7 = 1/2x + 22/21
A trapezoid 3
A trapezoid ABCD has a base length of a = 120 mm, c = 86 mm, and an area A = 2,575 mm². Find the height of the trapezoid.
Evaluate expr with 2 vars
If a=6 and x=2, find the value of (2ax + 7x- 10) /(4ax-3a-2)

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