Maths practice for 12-year-olds - page 129 of 351
Number of problems found: 7011
- How many 14
How many are 1/2 cup servings in a cheese package containing 5 1/4 cups altogether?
- A serving
A serving of rice is 1/2 of a cup. How many servings are there in a 3 1/2 cup bag of rice?
- Animals on a farm
Seven cows, three sheep, and four chickens are on a field. What fraction of the animals are sheep?
- The sum 10
The sum of the three decimals is 938.629. Two of them are 456.54 and 392.69. Find the third one.
- Francesca
Francesca is growing 1/2 inch each year. How many years will it take for her to grow 6 inches?
- The two
The two angles of a triangle are 78° and 82°. So, what is the measure of the remaining third angle?
- What is 9
What is the value of x in the proportion of 2 and one-fourth over x = 1 and one-half over 3 and three-fifths? 2 and two-fifths 5 and two-fifths 8 and 1 over 10 12 and 3 over 20
- Eight 9
Eight pipes are 2¼ meters long . what is the total length of the eight pipes?
- Simple linear equation
What is the solution to the equation 70 = 1.4y?
- What is 8
What is the perimeter of a rectangle with side lengths of ¾ inch and ⅔?
- An aquarium
An aquarium tank that measures 2.4 m high, 6 m long, and 1.5 m wide and is filled with water. The density of water is 1,000 kg/m³. What is the mass of the water in the tank?
- Rectangle area
What is the area of a rectangle with a length of 4 feet and a width of 4/10 feet?
- Evaluate 12
Evaluate and simplify 9 divided by 7/6.
- Cookies
In a cookie jar, 1/4 of the cookies are chocolate chip, and 1/2 of the rest are peanut butter. What fraction of all the cookies are peanut butter?
- A map 4
A map represents every 4 miles with 1 inch. If a school and a bank are 12 miles apart, how far apart are they on the map, in inches?
- Square area
Find the area of a square with a side length of 4/5 yards.
- A rectangle 6
A rectangle measures 2 4/5 inches by 2 1/5 inches. What is its area?
- Two numbers and its product
The product of two numbers is 2/3. If one of them is 1/10, what is the other?
- Living room 3
Pearl wants to buy a carpet to cover her whole living room, except for the tiled floor. The tiled floor is 7 1/2 ft by 3 1/4 ft. The room has dimensions of 12 1/4 ft x 5 ft. Find the area the carpet needs to cover.
- Ten packages
Tina has ten packages of yarn to knit a scarf. She uses 1/3 of a package of yarn for each inch of length she adds to the scarf. If Tina uses all the yarn, how long will her scarf be?
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