Maths practice for 12-year-olds - page 73 of 349

Number of problems found: 6969

Fertilizers 80357
A rectangular bed 3960 cm long and 825 cm wide needs to be divided into several equal square sectors on which scientists will test different fertilizers. Into what is the smallest number of sectors this bed can be divided?
Missing factor
Find the missing factor. ? × 0.011 = 0.000121
Thomas 3
Thomas painted 4/9 of a wall red and 1/5 of the remaining part yellow. What fraction of the wall was painted yellow?
A pipe 2
A pipe is 30 feet long. It needs to be cut into pieces that are each 3/5 feet long. How many pieces can be made from the pipe?
36 shirts
Thirty-six shirts were on sale for 2/3 of the regular price. If the sale price of each shirt was $30, what was the regular price?
Mrs Olive
Mrs. Olive used 1 2/5 quarts of syrup and 5 3/10 quarts of water to make lemonade .how many quarts of lemonade did she make?
Issac 2
Issac bought some wire for his project. He used 1/3 of the wire and had 80 cm of wire left. How much wire did he have at first
Husband and friend
Rhodora spent 5 1/4 minutes texting her husband and 2 1/2 minutes calling her friend. What are the total minutes she spent?
Melvin
Melvin has 2 1/3 kilograms of pork and 6 1/2 kilograms of beef in his refrigerator. How many kilograms of meat does he have in all?
Subtract mixed 2
Subtract mixed numbers: 3 1/2 - 2 4/5 (3 and one half - 2 and four-fifths.) Remember you need to make these into improper fractions before subtracting.
A small 2
A small bottle contains 1 9/12 L of fluid. A big bottle contains 2 7/15 L of fluid. What is the capacity of both bottles?
Two boxes 3
Two boxes of pizza of the same size are left on the table. One box has 1/2 of a pizza, and the other has 3/4 of a pizza left in it. Then, Mother divides all the pizzas into 1/8 each. How many were many slices of pizza left?
Skip's
Skip's Dog Shelter rescues collies. 3/4 of the collies are older than 10, and 1/3 of the remaining collies are between 3 and 5. Suppose there are 2 dogs between the ages of 6 and 10. How many dogs are there in all at this rescue shelter?
A landscaper 3
A landscaper needs 3 4/8 pounds of plant food. He has 1 1/4 pounds in his truck and another 4/6 pound at his shop. How many more pounds of plant food does the landscaper need?
Calculated 80204
Fill in the place of x with such a number that the equality applies. 5/6=15/x How can this be calculated? Thank you
Operation 6
Perform the operation below. Express your answer as a mixed number in simplest form 4 1/6 - 2 2/3
Cereals
If someone ate 1.6 Oz of cereal and the other person ate 2/3 of the cereal. How many ounces would there be?
Simultaneously 80154
A pedestrian and a cyclist set off simultaneously from two villages 24 km apart. The pedestrian walked at an average speed of 4 km/h and met the cyclist after ninety minutes of walking. What was the average speed of the cyclist?
Construction 80124
The father offered to work on the construction site for 50 hours as part of a voluntary event. How many hours does he have left after he worked on the construction site for 9 days at 3 and 1 half hours?
Minutes 80094
Five hundred liters of water will flow into the pool in 5 minutes, and 120 liters of water will flow out of it in 12 minutes. How many liters of water will be added in 1 hour?

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