Maths practice for 12-year-olds - page 133 of 347
Number of problems found: 6923
- 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? - Josh works
Josh works mowing lawns and babysitting. He earns $7.20 an hour for mowing and $6.80 an hour for babysitting. How much will he earn for 1 hour of mowing and 6 hours of babysitting? - Manufacturer
A sporting goods manufacturer has 12 and 1/2 yd of fabric to make soccer shorts. Each pair of soccer shorts requires 2/7 yd of fabric. How many pairs of soccer shorts can be made? - Gift box
A gift box has dimensions of 8 1/2 inches, 5 1/2 inches, and 2 1/2 inches, respectively. How many cubes with side lengths of 1/2 inches would be needed to fill the gift box? - Mohammed
Mohammed grew a garden last year. His plot of land was 6 3/4 feet by 10 feet. This year, he wants to have twice as much area as his garden. How much area will the new garden take up?
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