Maths practice for 12-year-olds - page 150 of 362
Number of problems found: 7223
- Roll of wallpaper
An art student uses a roll of wallpaper to decorate two gift boxes. The student will use 3 1/3 yards of paper for one box and 5/6 yards of paper for the other box. He must cut the paper into pieces that are 1/6 yard long. How many pieces will the student - Lin has
Lin has a cake pan that 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? - Brass ball
What is the weight of a hollow brass ball, the outer diameter of which is 16 cm and the wall thickness is 2 cm, while the density of brass is ϱ = 8.5 g
- 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. Monika 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 and 6.50 kg of red flowers. He made flower baskets with 2.11 kg of red and orange flowers. How many baskets did he make? - Equivalent fractions 2 Write the equivalent multiplication expression. 2 1/6÷3/4
- Probability 41101
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. - Probability 41091
What is the probability that an odd prime will fall on a dice roll?
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