Maths practice for 12-year-olds - page 92 of 355
Number of problems found: 7081
- Adding two fractions
Find the missing fraction: 2/5 + 7/10 = - There 20
There is 1/2 of a pizza left for four friends to share. What fraction of a pizza will each friend get to eat? - Trapezoid 45
Trapezoid with: Area: 345 1/2 sq cm First base = 15 1/3 cm height= 4 1/5 cm What size is the second base? - Square diagonal perimeter
Calculate the diagonal and the area of a square if its circumference is 10 centimeters. - Number digit sum
How many numbers are less than 200, the digit sum of which is 6? - Cube volume edge
The volume of the cube is 15625 cubic meters. Find the length of the edge and the surface of the cube. - Subtracting Fahrenheit
On a certain day, the high temperature in city A was 86°F. On the same day, the high temperature in city B was -24°F. What was the difference in temperature between city A and city B? - The temperature 33
The temperature in Baguio City was 18.6 degrees Celsius, while in Tagaytay City was 22.5 degrees Celsius. What was the estimated difference between the two cities' temperatures? A. 6 degree celcius B. 5 degree celcius C. 4 degree celcius D. 3 degree celci - Fencing material
Ailey bought 10 meters of wire fencing material to enclose her triangular flower garden. If the lengths of the sides of the triangular garden are 2 ½ meters, 3 ⅔ meters, 2 ⅙ meters, how long will the excess wire fencing material be? - Evaluate 25
Evaluate the following expression: [ 3 + ( 40 ÷ 5 ) x ( 2 x 2 ) ] – 5 = - One third of a number What is 1/3 of 18?
- Is prime? Which of the following numbers is prime? 21,11,18,25
- Length and width
Use the 5-step procedure. The perimeter of a rectangle is 34 in. The length is 4 in less than three times the width. Find the length and width. - Clarissa 2
Clarissa is cutting construction paper into rectangles for a project. She needs to cut one 12 inches x 15 1/3 inches rectangle. She needs to cut another rectangle 10 1/4 inches by 10 1/3 inches. How many Total square inches of construction paper does Clar - A rectangle 10
A rectangle has a length of 8 millimeters and an area of 216 square millimeters. What is the width? What is the perimeter? - Square perimeter side
The area of the square is equal to 1024 square centimeters. Calculate the perimeter of the square and the length of the side a. - Number ratio equation
The ratio of three times the number x and twice the number 9 equals 3. What is the value of the number x? - Jaroslav temperature rise Jaroslav had a temperature of 36.8 °C in the morning. In the afternoon, it had a temperature of 38.4 °C. How many °C did Jaroslav's temperature rise?
- Pancake mix
According to a recipe, each batch of pancake mix can make 12 pancakes. Lilly is making three batches for a brunch party. If each batch needs 7/12 cups of milk, how much milk does she need in total? - The largest 4
The largest room in the quarantine area is 45 m long and 30 m wide. The height of the room is 15 m. If the occupancy guidelines recommend at least five m³ per person, what is the maximum number of people allowed in the room?
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