Maths practice for 11-year-olds. - page 144 of 224
Number of problems found: 4479
- 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. - One-third 2
One-third of the people in a barangay petitioned the council to allow them to plant in vacant lots, and another 1/5 of the people petitioned to have regular garbage collection. What FRACTION of the barangay population made the petition? - 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? - Regrouping
Subtract mixed numbers with regrouping: 11 17/20- 6 19/20 - Three plane objects
How can we calculate the perimeter of a triangle, square, and rectangle? - 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? - Rectangles
How many different rectangles with sides integers (in mm) have a circumference of exactly 1000 cm? (a rectangle with sides of 50cm and 450cm is considered to be the same as a rectangle with sides of 450cm and 50cm) - Different Report Cards
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? - Square into three rectangles
Divide the square with a side length of 12 cm into three rectangles with the same circumference so that these circumferences are as small as possible. - Axes of Symmetry
Draw a circle k (S, r = 2cm). Mark the three axes of symmetry of the circle defined by this circle. Each axis of symmetry of the circle passes through __________. - 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? - Coal Weight per Cubic
How many kg of coal can fit in 1 m³? Note - 1 m³ (1000 liters) of brown coal walnut 2 weighs, on average, 720 kg. - Simplify 3
Simplify mixed numerals expression: 8 1/4- 3 2/5 - (2 1/3 - 1/4) Show your solution. - Time Since Noon
What time is it now that the time that has elapsed since noon is one-third of the time before midnight? - Christmas napkins
The girls embroidered Christmas napkins. Each napkin had a triangle shape with 5 dm, 60 cm, and 800 mm sides. How many cms did the girls sew if they made 15 napkins? - Mean/average
Calculate the average of the numbers 2.3 4.01 0.65 6. - Gloves Same Color Pair
The drawer has five pairs of green and six pairs of blue gloves stored in a hexagonal way (without ice and storage). How many gloves do you have to blindly remove so that a pair of the same color is outside? - Interior angles
You know the size of the two interior angles of the triangle alpha = 40° and beta = 60°. Calculate the size of the third interior angle.
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