Maths practice for 12-year-olds - page 120 of 360
Number of problems found: 7199
- Athletics team
All athletes from the Ostrava athletics team can start in four, five, six, and seven stages, and no one will be present. How many average athletes are in one athletic group if there are twelve groups in the section? Consider the smallest number of athlete
- A plumber
A plumber has the following lengths of PVC: 3.3 ft, 9.77 ft, 8.41 ft, 9.61 ft, and 8 ft. What is his average length of PVC?
- To the gym
Tony, Emil, and Patrick go to the gym regularly. Tony visits the gym every third day, Emil every fifth day, and Patrick every ninth day. How often does everyone meet at the gym?
- Workers 54253
Four workers packed the goods with the same output in 6 hours. In how many hours would five workers do the same job? Express it in hours and minutes.
- Obtained 54243
We obtained 4200 g of roasted coffee from 5 kg of green coffee. How many g of green coffee do we need to roast to get 10 kg of roasted coffee?
- Alexandra
Alexandra made a rectangular quilt that measured 3 1/4. 2 3/4 feet in width. What is the area of the quilt in square feet? Write an equation to solve.
- Frame image
Peter wants to put a picture in a frame. The picture is 7 3/5 cm wide, and it cannot be wider than 7 3/10 cm to fit in the frame. How much should the image be trimmed?
- A rectangle 7
A rectangle has been split into 24 parts, set in 4 rows of 6 pieces each. The parts in the top 3 rows have been shaded blue. The parts in the left five columns have been shaded purple. The first five parts in the top 3 rows are striped to show they are sh
- Three integers
Three consecutive integers add up to 51. what are these integers?
- Original number
Joe divided a number by 2 1/4 to get 2/3. What was the original number?
- Parallogram
The Parallelogram base is 24 cm and high at 10 cm. How many tiles are required to cover a floor with an area of 1080 m²?
- The product 2
The product of two functions is 10. If one of them is 2 1/3, find the other one.
- Multiplicative inverse
Explain why the reciprocal of - 1 1/17 is the multiplicative inverse of - 17/18.
- Fraction equation
Ex over four equals two and one-fifth times ex plus three over ten. What is ex>
- Simplify expression with mixed
When (7¹/3 + 2¾)÷(2 + 2¼ × 1¹/3) is simplified, the result is?
- Frac equation v2
3.80 is two-fifths of a quarter sum of money. How much money is there?
- Two fraction equation
Find the d value of q in equation 30/16=q/48.
- Quotient and division
What is the quotient of 2/9 and 1/8?
- A class IV.C
In a class, 2/5 were boys. Thirty were girls. How many more girls than boys are there?
- Calculate 20
Calculate the sum of 1/5 of a right angle, 3/4 of a right angle, and 3/4 of a straight angle.
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