Maths practice for 12-year-olds - page 42 of 355

Number of problems found: 7084

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?
Flags 2
1/4 are white and another 1/4 are yellow. What fraction of the flags are either white or yellow?
A football 2
A football team wins 2/5 of their matches and draws 1/3. What fraction of their matches are lost?
The sum 32
The sum of three consecutive odd numbers is 33. What are the three consecutive odd numbers?
A triangle 8
A triangle has a base of 9.2 feet and a height of 4.8 feet. What is the area of the triangle?
Unit price
A 4-ounce bottle of soap costs $1.37. What is the unit price, rounded to the nearest cent?
Mary read
Mary read 2/9 books in the morning and 5/9 in the evening. What fraction of books has she read?
What number
What number must be added to both the numerator and denominator of 3/5 to get 5/6?
Electronic price decrease
Each year a store decreased the price of a specific TV model by $35. If the price in 2001 was $1,950, what was the price in 2009?
Five times
Five times a number divided by three is ten. What is the number? a.5 b.6 c.7 d.8
The volume 7
The volume of a cylindrical can is 75.36 in³. The diameter is 4 inches. Find the height. Use 3.14 as an estimation for pi.
Whole part
35/16 = 2.1875. What is the whole number of this decimal?
A mixed school
In a mixed school, 5/9 of the pupils are boys. If there are 128 girls, how many pupils are there altogether?
A decimal
A decimal rounded to 2 decimal places is 5.32. This decimal has 3 decimal places. What is the greatest possible decimal?
Iron ball 2
What is the mass of the iron ball with a diameter of 1,0 dm? The density of iron is 7870 kg/m³.
Rita bought
Rita bought a school shirt for $16.99, a pair of white gym shorts for $12.95, and a white T-shirt for $9.90. She turned in a voucher for $8.75. If she pays her bill with two 20 - dollar notes, what change did she receive?

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