Maths practice for 12-year-olds - page 116 of 351
Number of problems found: 7018
- The size 2
The size of pants sold during one business day in a department store is 32, 38, 34, 42, 36, 34, 40, 44, 32, and 34. Find the average size of the pants sold.
- Brooke
Brooke divided 2/3 by 1/6 and got 1/9. Her classmate told her that she wasn't correct. What do you think went wrong with Brooke's solution? Explain your answer in 2 - 3 sentences.
- A clerk
A clerk is paid 45.25 pesos per hour for 40 hours a week. 1.50 times the rate for overtime and double the rate for a holiday. How much does the clerk get if he works overtime for 5 hours and 2 hours on holiday?
- Three subjects 2
English takes 4/5 hours; Mathematics ¾ hour and Science is 2/3 hour. How much time is spent on the three subjects?
- An experiment 2
The temperature of a substance in an experiment changes by -8.7°F from 10 AM to 1 PM. At 5 PM, the temperature is 33.5°F, which is 2/3 of what it was at 1 PM. What was the temperature of the substance at 10 AM?
- Difference 56811
I think the number. The difference between nine times and four times the unknown number is 625. What number do I think?
- Rectangular 56801
We are to create a square in the shape of a rectangle with an area of 288 m² (square) so that the sides are whole numbers. What are all the dimensions of the rectangular box we can make? How many is the solution?
- Remainder 4
After giving eight apples to her friend, Juliet noticed that ⅔ of the remainder were 12. Thus, she had a total of eight apples.
- Countertop
Sam is constructing a rectangle on an 18 1/2 x 35 1/3" countertop. He will need to cut out his area to place his sink and the opening. What is the product of the two measurements rounded to the nearest whole?
- Gasoline fuel 2
Mike's monthly fuel budget is 2000.00, and he saved the rest. At the end of the month, he checked his gasoline slips and found he had used the following amounts of gasoline: 9.71 liters,10.23 liters,17.8 liters,6.31 liters, and 8.47 liters. If a liter cos
- Deena
Deena works at a customer service call center. She fields an average of 7 calls per hour. Employees are encouraged to field more than 280 calls per week. Deena has already fielded 133 calls this week. How many more hours, x, does Deena need to work this w
- Dividing
One always remained when dividing the tangerines into packages of 8 or 10. If there were more than 250 and less than 300, how many were there?
- Milka
Milka has three and seven-sixteenths cm of wire, but she needs only two and five-eighths cm of wire for her laboratory project. Thus, she needs to cut three and seven-sixteenths cm of wire.
- Height of the prism
The volume of the quadrilateral prism is 723.6 cm³. The base of this prism is a rhombus with a side 9 cm long and a corresponding height of 6.7 cm long. Find the height of the prism.
- Trisection of a line segment
Divide the line segment AB into three equal parts. Instructions: Construct an equilateral triangle ABC and find its center (e.g., the described circles).
- There 17
There is 3/4 of a cake on a plate in Maria's kitchen. Silvia sees the cake and eats 1/5 of the cake. Then Franca takes 1/3 of what was there and shares half of her portion with Antonella. What fraction of the cake is left?
- The Nürburgring
The Nürburgring in Germany is a racetrack that hosts racing events all year. Two of the fastest laps ever driven on the track are 6 minutes 47.30 seconds and 6 minutes 52.01 seconds. How much faster is the 6 minutes 47.30 seconds than the 6 minutes 52.01
- RS ABS
Find the distance between points R and S on a number line, with coordinates -4 and -7, respectively.
- Mixed numbers
Five and two-thirds minus two and one-half equals what number? A three and one-sixth B three and two-thirds C three and one-half D three and five-sixths
- Medical
Medical Market's five cash registers showed the following cash receipts for Saturday: cash register ; 1. $3,497.22; ; 2. $2,259.86; ; 3. $4,178.40; ; 4. $2,863.17; ; 5. $4,888.33. What were the total cash receipts for Saturday?
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