Maths practice for 12-year-olds - page 69 of 349
Number of problems found: 6962
- Home is home
At 65km/h, Alfred can reach home in 50 minutes. At what speed should he drive his car so that he can reach home 10 minutes earlier? - Musa worked
Musa worked for 44 hours during one five days a week. His hours are from Monday through Thursday: 3 3/4, 6 7/12, 11 5/16, and 6 5/6. Calculate the number of hours he worked on Friday. - Quotient of two fractions
If the quotient of 8/9 and 1/3 is subtracted from the product of 2 3/4 and 1 3/5, what is the difference? Write the solution as a mixed number or a fraction in the lowest terms. - For what
For what value of x is -5x+8=-6 a true statement? Write your answer as a decimal. - There 27
There are 24 colored cubes in a box. Three-quarters of the cubes are red, four of the cubes are blue, and the rest are green. How many green cubes are in the box? One more blue cube got put into the box. What fraction of the cubes in the box are blue? - Fire victim
Of the 600 3/4 kg of rice donated to the fire victim, 80 1/2 kg came from the learners, and 270 3/4 kg from the teachers. The rest came from the government council. How many kilograms came from the government council? - Shani
Shani mixed 1 1/3 cups peanuts, 1 3/4 cups raisins, and 1 1/2 cups chocolate chips to make a trail mix. How many cups of trail mix did she make? Responses - Has infinity many solutions Solve the equation and determine the type of solution the equation has. Select all possible answers. 6y+9=3(2y+3)
- Lila knows
Lila knows that 3/16 means "3 divided by 16." She uses this to find the decimal equivalent for 3/16. Enter a digit into each box to continue her work. - Determines 80517 Determines all two-digit numbers that have a greatest common divisor of 19 with the number 76
- Two tariffs
You pay $20 and $0.05 per minute, and somebody else spends $15 and $0.25 per minute. How long would it take for both of you to spend the same amount? - Swimming pool 7
The perimeter of a rectangular swimming pool is 20 4/5 meters. Its length is thrice its width. What is the length of the pool? What is its width? - Centimeters to inches
How many inches are there in 70.32 centimeters when 1 inch equals 2.54 centimeters? Round off your answer to the nearest thousandth place. - Compare two fractions
Find which is the larger of the two fractions: 11/32, 7/24, by expressing the numbers as a) fractions with the same denominator, b) decimals. - Sleeping time Nicholas took a nap for 4/5 hours, played video games for 3/4 hours, and then took another nap for 2/5 hours. How many hours did Nicholas sleep?
- Quotient of two numbers Find the quotient of 11/8 correct to the first place of the decimal.
- Consider 6
Consider the following word problem: The temperature readings for 20 days at 1 AM at a local ski resort were recorded as follows: 9° 27° −4° 1° 5° 14° 6° 28° −2° 16° 30° 4° 20° 30° −5° 15° −7° 25° −1° 5° What was the average of the recorded temperatures f - A marathon
Trevion is training for a marathon. In February, he ran XLVII miles for his training. In January, he was only able to run XXIV miles. How many more miles did he run in February than in January? - Number 80500 Which number does not belong in the number series and why? 11. . . 13 . . . 15 . . . 17 . . . 19
- Calculate: 80496
Calculate: |7 − 15| + |8| − |−13| − 1 =
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