Maths practice for 12-year-olds - page 227 of 348
Number of problems found: 6953
- Supermarket
In a local supermarket, 3/5 kilograms of octopus cost 156.00. How much do 4 kilograms of octopus cost? - To improper fraction
Change the mixed number to an improper fraction: a) 1 2/15 b) -2 15/17 - Prime factors
Write 98 as a product of prime factors. - A pipe
A radius of a cylindrical pipe is 2 ft. If the pipe is 17 ft long, what is its volume? - Solve 2
Solve integer equation: a +b+c =30 a, b, c = can be an odd natural number from this set (1,3,5,7,9,11,13,15) - Birthday party
The mother bought 6 3/4 kg of hotdogs and 5 1/3 dozen bread rolls for her youngest son's birthday party. Hotdogs cost 160 per kilogram, and a dozen bread rolls cost 25. How much did she spend in all? - Dinning room
How many different combinations can we choose if there are three soups, five kinds of the main dish, and two desserts in the dining room? - Boy-girl 6766
How many boy-girl pairs can we create from a class of 15 boys and 16 girls? - Regrouping
Subtract mixed numbers with regrouping: 11 17/20- 6 19/20 - Circular 6760
What circular track radius must a runner run six times to run 1.8km? - Two chords
There is a given circle k (center S, radius r). From point A, which lies on circle k, are starting two chords of length r. What angle do chords make? Draw and measure. - Sweater
Dana confuses me by stating that sweaters and wool have a choice of seven colors. How many ways can she choose from three colors for the sleeves? - No smoke
Tobacco company NO-SMOKE adorned its stand at the cigarette-type trade fair with cigarette-shaped. The dimensions of which were 20 times the size of a regular cigarette. Regular cigarette contains 0.8 mg of nicotine. How much nicotine would a giant cigare - Cube walls
Find the cube's volume and surface area if the area of one of its walls is 40 cm². - Concentric circles
A circle K with radius r = 8 cm is given. How big a radius must a smaller concentric circle divides a circle K into two parts with the same area? - Ophelia
Ophelia recorded the temperature of a cold store every two hours. 1. At 6 am, it was -4°C, and at 8 am, it was -1°C. By how much did the temperature rise? 2. The temperature went up by 5°C in the next two hours. What was the temperature at 10 AM? - Around
Around the circular flowerbed with a radius of 2 m is a sidewalk 80 cm wide. How many square meters does the sidewalk have? - Certificate 6740
There are 19 children in class 6A, 7 subjects, and no one has a worse grade than a three. Can each of them have a different certificate? How many would have to be in the class so that everyone could not have another report card? - Two rectangles
I cut out two rectangles with 54 cm² and 90 cm². Their sides are expressed in whole centimeters. If I put these rectangles together, I get a rectangle with an area of 144 cm². What dimensions can this large rectangle have? Write all options. Explain your - Sandbox
Sandbox has an area of 32 sq ft and a length of 4 1/2 ft. What is the width of a sandbox?
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
