Maths practice for 12-year-olds - page 70 of 352
Number of problems found: 7033
- 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 =
- Solve 18
Solve simple equation: 3x = 5x + 6/2x + 3
- Grandmother's 80490
Little Red Riding Hood walked through the forest from her house to her grandmother's house. She walked at an average speed of 0.75 m/s. She left her house at 11:30 and reached her grandmother exactly at noon. How far from her house does her grandmother li
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