Maths practice for 12-year-olds - page 96 of 361
Number of problems found: 7218
- Evaluate 23
Evaluate expression: 2 less than the quotient of 7 and 3 - Baking a cake
Christy is baking a cake that has a 9-inch diameter. She wants to cover the top of the cake with buttercream icing. How much icing will she need? - A train
A train can travel 1136 miles in 4 hours. What is the unit rate at which this train travels per hour? Write in miles per hour. - Simultaneously 68864
From cities A and B, which are 50 km apart, two cars set off in the same direction simultaneously with average speeds of 80 km/h and 120 km/h. How long will the faster car reach, the slower one, and at what distance from city A? - Expression 68814 Write the expression n, which is: (a) Six greater than twice the expression y; b) equal to the square root of the sum of the expression y and the number 3; (c) three times less than four times the expression y.
- Determine 68804
The basket contains five red apples with an average weight of 125 grams and one yellow apple. The average weight of all apples in a basket is 120 grams. Determine the weight of the yellow apple in grams. - Cube-shaped 68794
How much fabric will be needed to cover 12 cube-shaped seats with a 40cm edge?
- Created 68734 From how many cubes with a 4 cm edge can a cube with a 16 cm edge be created?
- Temperature 68724
The thermometer showed -2 °C in the morning. By lunch, the temperature had risen by 5 °C. The temperature had dropped by 13 °C till midnight. What temperature in °C did the thermometer show at midnight? - Difference 68664
The digits 1, 2, 4, and 8 form two four-digit numbers so that all 4 digits are used in the notation of each number. Calculate the difference between such largest even number and smallest odd number (in that order). - Two-digit 68654 List all compound positive two-digit numbers whose greatest common divisor with the number 51 is the number 17.
- Divisible 68644 List all divisible numbers by six and seven that are greater than 79 and less than 91.
- Grandma 9
Grandma bought 2 kilograms of apples at a crowns per kilogram, 5 kg of potatoes at b crowns per kilogram, and one celery for 12 crowns. She paid with three fifty crowns. o Depending on the quantities a, b, express the amount in crowns that was returned to - Greater 68534
How many times is the number 0.045 greater than the sum of 0.006 and 0.003? - One-ninth 68524
How many times is twice one-third larger than one-ninth?
- Difference 68514
How many times is the difference between the squares of numbers 4 and 2 bigger than the square of their difference (in this order)? - Assignment 68494
Write the assignment in a fraction. Fill in the number in the box so that the equality applies: (Write the result as a fraction in the base form.) (1 1/3 - 3/4) · ___ = 1/2 - Assignment 68484 Write the assignment in a fraction. Fill in the number in the box so that the equality applies: (Write the result as a fraction in the base form.) 3 · ___ + 1/4 = 5/8
- One-sixth 68464 Write one-sixth product of the numbers 4.8 and 0.4 as a fraction in the basic form.
- Calculate 68454
Calculate how many times the square of the number 1/100 is less than 1/1000. (numbers in fraction form)
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