Maths practice for 12-year-olds - page 134 of 362
Number of problems found: 7223
- Big school kitchen
Suppose 250 learners can be fed by 75kg. How many kg can 600 learners be fed? - Dinner tickets
At the spring festival, 7 out of the first 25 attendees had pre-purchased their dinner tickets. Based on this information, if 600 people attended the spring festival, then how many attendees could be expected to have pre-purchased their dinner tickets? - Thomas 2
Thomas is 56 3/4 inches tall. Jillian is 1 3/8 inches shorter than Thomas, and Jane is 1 1/5 inches shorter than Jillian. How tall is Jane? Label the names on the tape diagram to represent this problem. Jane Jillian Thomas Excellent! - Hour salary + fix
Devin recently hired a contractor to do some necessary work. The contractor quoted $395 for parts plus $62 an hour for labor. Let x represent the number of labor hours worked. Write an algebraic expression to represent the total cost of the repairs. - Two-thirds 49311
Chocolate pieces hang on a Christmas tree. One-third is made of milk chocolate, two-thirds of the rest is dark, and 200 g is white chocolate. How much do all the pieces weigh together? - Parallelogram 49281
The circumference of the parallelogram measures 2.8 m. The length of one of its sides is equal to one-seventh of the entire circumference. Calculate the sizes of the sides of this parallelogram. - Edges of the cuboid
Find the length of the edges of the cuboid, which has the following dimensions: width is 0.4 m; height is 5.8 dm, and the block can hold 81.2 liters of fluid.
- Stephan - cookies
Stephan is making cookies for the class. His recipe calls for 3 and 1/2 cups of flour. He has 7/8 a cup of wheat flour and 2 and 1/2 cups of white flour. Does Mr. Stephan have enough flour to make the cookies? - Angela
Angela shared a cab with her friends. When they arrived at their destination, they evenly divided the $120 fare among the 4 of them. Angela also paid a 5-dollar tip. How much did Angela pay in total? - In PE
In PE, students play a game where they do different exercises depending on the color of the marble that Coach Forbes draws. Coach Forbes has a jar with 6 red marbles, 12 blue marbles, 16 purple marbles, 2 green marbles, and four yellow marbles. What is th - Construct
Construct a rhombus ABCD with side a = 7cm, b = 5cm, whose diagonal e is perpendicular to side b. - Rectangle ABCD
The rectangle ABCD is given whose | AB | = 5 cm, | AC | = 8 cm, ∢ | CAB | = 30°. How long is the other side, and what is its area? - Evaluate 9
Evaluate expression: 3 { 4 − 4 ( 5 − 12 ) } + 20 - Her goal
Her goal is to walk 10,000 steps each day. She measures her average step length to be 30 inches. If she walks 10,000 steps in a day, how many miles will she walk? - A butter
A butter cube with an edge 6.5 cm long is packed in a package with dimensions a = 28 cm and b = 15 cm. Calculate how many cm² the package is larger than the cube's surface.
- Retirement
To purchase a gift for a retiring coworker, everyone had to pay EUR 15. Because four workers were ill on the day coworkers collected the money, everyone present had to pay additional 1 euro except the retiring one. How many workers did the workshop have, - Dimensions 48951
How many euros would it cost to lay a floating floor in three classes if each class has dimensions of 8 meters and 6 meters and 1 m² of new floating floor costs 15 €? - Hectoliters 48941
The pool has dimensions: a length of 50 m, a width of 15 m, and a depth of 2 m. It is filled with water to 1/4 of its depth. How many hectoliters of water are in the pool? How many hectoliters of water can fit in a filled pool? - Animal species
Of 100 types of animals, 9/100 were discovered in ancient times, and 2/100 were found in the Middle Ages. Another 3/10 were found in the 1800s. What fraction of the 100 types of animals were discovered after the 1800s? Explain. - Kenneth
Kenneth is painting his kitchen and bathroom. He bought 5 gallons of paint to paint the two rooms. He used 1/4 of that amount to paint the bathroom and the rest to paint the kitchen. Thus, Kenneth used 5 gallons of paint to paint the kitchen.
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