Maths practice for 12-year-olds - page 41 of 355

Number of problems found: 7081

A tailor
A tailor bought 72 meters of white cloth and 16 meters of blue cloth. The material was cut into equal lengths to make a school uniform. What was the greatest length of each piece of cloth that was cut?
Two pieces
Two pieces of cloth 15 and 20 meters long are to be cut into small pieces of equal lengths. What will be the greatest length of each piece?
Three chefs
Let's say you have 3 Chefs that have made 14 cakes in 8 hours. Assuming they are working at the same efficiency, how many hours does it take 10 Chefs to bake 24 cakes? (Rounded to the nearest hour)
Piece of wood
I have a 6-foot-long piece of wood that I want to cut to build picture frames. If each piece is going to be ¾ foot long, how many pieces will I be able to cut?
Bryce
Bryce collected 1/4 of a bin of glass bottles to recycle. Megan collected 5 times as many bins as Bryce. How many bins of bottles did Megan collect?
A housewife
A housewife spent 3/7 of her money in the market and 1/2 of the remainder in the shop. What fraction of her money is left?
On Monday
On Monday, Jason used 2/7 of his money to buy a book. On Tuesday, he used 1/2 of his money to buy a toy. If he has 6 dollars left, how much money he has in the beginning? What fraction of money is left?
Soup 4
Cornell makes 11/12 of a gallon of soup. He eats equal portions of soup for 5 days, with no soup remaining after the 5th day. How many gallons of soup did Cornell eat each day?
Deon made
Deon made 4 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 4 necklaces was 18.40. If the beads cost a total of 9.60, how much did each pendant cost?
Plums 4
Last year, Peter's Market ordered 15 1/2 pounds of plums from a local orchard. This year, the market plans to order 1 1/4 times as many pounds of plums as were ordered last year. They want 2/5 of this order to be red plums. What is the total amount, in po
Juan collected
Juan collected 1 1/2 bins of glass bottles to recycle. Richard collected 4 2/3 times as many bins as Juan. How many bins of bottles did Richard collect?
Frac answer
What is the answer to 1/2 ÷ 5/7?
Tree's virus
An arborist examined trees in an orchard to see if they were infected with a virus. 42 out of 75 trees were infected with the virus. What percentage of the trees were infected? Write your answer using a percent sign (%).
A rectangular 9
A rectangular tank measuring 50 cm by 54 cm by 40 cm is 3/5 filled with water. 21.6L of the water is removed. What is the volume of water left in the tank? Give your answer in liters.
Estimate subtraction
What's the estimate of 3 1/3 - 1 5/6?
Fans
Al had 36 fans. He sold three-ninths of them. He sold half of the remaining fans at a garage sale. How many fans did Al sell? How many fans does he have left?
Convert 6
Convert to a decimal 15/100.
What is 23
What is the answer to sum 2 1/2 and 1 3/8 minus 5 1/4?
Smoothies
Kristin is making strawberry smoothies. She has 5 cups of yogurt; it takes 3/4 of a cup to make one smoothie. How many smoothies can she make? Write a number sentence that describes this situation. Then, draw a model to demonstrate your understanding.
Cutting paper
Jodi is cutting out pieces of paper that measure 8 1/2 inches by 11 inches from a larger sheet of paper that has an area of 1,000 square inches. What is the area of each piece of paper that Jodi is cutting out?

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