Maths practice for 12-year-olds - page 154 of 347

Number of problems found: 6923

Lin has
A cake pan has a length of 8/3 inches, a width of 15/4 inches, and a height of 3/2 inches. What is the volume of the cake pan?
Pupils 7
There are 40 pupils in a certain class. 3/5 of the class are boys. How many are girls?
Karina
Karina has 5 4/7 meters of cloth. She needs 3 1/6 meters of it to make a curtain for her window. How many meters of cloth was left to her after making the curtain?
The distance
The distance between two towns on a given map is 3 ½ cm. If ½ cm represents 6 km, what is the distance between the two towns?
Even/odd numbers
What is the product of 0.97 and the following odd decimal number?
Ingrid
Ingrid watched television for 2 1/4 hours, and Devon watched for 3 2/3 hours. For how many hours did they watch television in total?
The book 4
Mr. Kinion read 3 3/4 chapters in his book on Monday. He then read 2 4/6 more chapters on Tuesday. How many chapters has he read so far?
Reciprocal value 2
Annabelle is making burger patties if each burger patty needs 1/16 kilogram of beef. How many patties can she make with a kilo of beef?
Cindy run
Suppose it takes 1/3 of an hour for Cindy to run 3/5 of a mile. How many miles does she run in 1 hour?
The difference
Find the difference between 2/7 and 1/21
Jim collected
Jim collected five bins of glass bottles to recycle. Lucia collected 3 1/5 times as many bins as Jim. How many bins of bottles did Lucia collect?
Strawberry-rhubarb pie
Larry had 3/7 of a strawberry-rhubarb pie left over. He split the leftover pie evenly between his three children. What fraction of a pie did each child get?
Tablespoon of salt
Mrs. Monica uses 3/4 tablespoons of salt for every kilogram of ground pork. How many tablespoons of salt will she use for 3 1/2 kilograms of ground pork?
A merry
A merry-go-round can hold 36 people on each 5-minute ride. How many people would have received a ride on the merry-go-round in an hour?
Flowers 4
A flower seller has 4.05 kg of orange flowers and 6.50 kg of red flowers. She makes flower baskets, each containing 2.11 kg of mixed flowers. How many baskets did she make?
Equivalent fractions 2
Write the equivalent multiplication expression. 2 1/6÷3/4
Dice roll probability
What is the probability of a random event A that a) an even number, b) a number divisible by three, c) a number greater than six will fall on the dice roll.
Odd prime probability
What is the probability that an odd prime will fall on a dice roll?
Odd compound probability
In the entertainment lottery, they draw one number from 1 to 35. What is the probability that they will draw an odd compound number?
Boy selection probability
Six boys and nine girls played in the school group. What probability will they point to the boy when they are reproached?

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