Maths practice for 12-year-olds - page 123 of 360
Number of problems found: 7199
- A straight angle
A straight angle measures s, so you can subtract or add 85 from. What is the measure of their angles? - Quadrilateral eq3
Three sides of a quadrilateral are equal to the foreside, which is 16 cm long. What is the length of the one with equal sides if the perimeter is 58 cm? - Equivalent expression
Pablo rewrites the expression 8y-24 as 8(y-3). Hana rewrites 8y-24 as 2(4y-12). Are Pablo's and Hana's expressions each equivalent to 8y-24? Explain your reasoning. - A piece 3
A piece of rectangle cloth has an area of 2 4/5 meters. Its breadth is 1 1/5 meters. What is the length of the cloth? - Picture 2
The picture free is 14.2 cm long and 10.4 cm wide. The frame has a uniform border of 2.6 cm. Find the area of the photograph. - A number 5
A number is divisible by 24, 25, and 120 if it is increased by 20. Find the number. - The cost 3
The cost of 2 ¾ liters of petrol is Rs 250 ½. What is the cost of 1 liter of petrol?
- Nails
If a keg of nails costs $129.45 and 6/7 of the keg is used, what is the value of the remaining nails? - The sum 12
The sum of 3 mixed numbers is 20 13/15. Two of the numbers are 6 1/3 and 7 5/6. What is the third number? - Human 3
Human bones are 3/10 living tissues, 9/20 minerals, and the rest water. What fraction of human bone is water? - Quotient and product
What is the sum of the quotient of [8/5 divided by 8/10] added to the product of [8/14 x 7/12 x 3/8]? - The length 6
The length of 12 pipes is 10 1/2 meters. (1) find the length of one pipe (2) also find the length of 7 pipes - Pen and pencil
The cost of a pen is 12 3/5 rupees, and the cost of a pencil is Rs. 3 2/5. What is the total cost of a pen and pencil? - The area
The area of a rhombus is 143 m². If the longer diagonal is 26 m, find the shorter diagonal in inches named d1. - Simplify 7
Simplify. 7-1/3÷ 3-2/3 of 2+ 4-1/2÷ 2-1/4+ 1/2 solution and by step by step
- The diagonals 2
The diagonals AC and BD of a rectangle ABCD intersect at a point O. If OA=4cm, find AC and BD. - Bananas plantation
Ashok Rao planted bananas on 2/7 of his field on his 21 acres. What is the area of the banana plantation? - Icing cookies
Miriam is making 3 1/2 dozen cookies. If 2/7 of the cookies have icing, how many dozen cookies have icing? - Hungry cat
John is a fully grown cat. He eats 2/3 of a can a day. How many cans of food does Tinker eat in a week? * - Math club
A math club has 25 members, of which 11 are male and the rest are female. What is the ratio of all males to all clubs?
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