Maths practice for 12-year-olds - page 81 of 351
Number of problems found: 7019
- Observation 76644
From the smaller observation tower, we see the top of the larger tower at an elevation angle of 23°, and the difference in their heights is 12 m. How far apart are the observation towers? - The ribbon
Marcel has 12 ⅝ meters of ribbon. She gave 5 ⅛ meters to Ann and 4 ⅜ meters to Bet. How many meters of ribbon was left to her? - Evaluate 27
Evaluate the expression shown below and write your answer as a fraction in the simplest form. (8)/(3)+ (11)/(12) - A carpenter A carpenter had a 10-meter piece of lumber from which he cut into two pieces. One of those pieces was 5 2/3 meters long. How long was the piece that remained?
- The classroom 3
The classroom needs a new floor. Its dimensions are 34 1/2 feet by 36 1/2 feet. Find the area of the classroom. SIMPLIFY. - Eddie
Eddie and Fran are scuba diving. Eddie is 35 meters below the surface of the water, and Fran is 8 meters directly above him. The following equation describes this situation: -35 + 8 = -27 What does -27 tell us? Choose one answer: ... - Fruits 7
Bianca bought 3 1/4 kilograms of fruits. This morning, her brother used 1 3/4 kilograms of the fruits for a shake. How many kilograms of fruits were left? - A pack 2
A pack of all-purpose flour weighs 4 1/4 kilograms. Grace uses 1 1/2 packs of flour for baking a cake and 1 2/3 bags of flour for bread. How many kilograms did she use? - A sand
A sand timer has 5 5/16 ounces of sand. If the sand falls at a rate of 2.5 ounces per minute, how many minutes will the timer last? Write your answer as a fraction. - The cost 7
The cost of a pen is Rs. 20/3, and that of a pencil is 25/6. Which costs more and by how much? - Danny
Danny made a mistake in the following problem. Line 1:21 + 35 ÷ 7 + 6(2) Line 2:21 + 5 + 6(2) Line 3:21 + 11(2) Line 4:21 + 22 Line 5:43 On what line was the mistake made? Only input the number of the first incorrect line. - Painting 9
Maria and Emme each had 4 pints of paint. On the first day of painting, Maria used 3/5 of her 4 pints of paint, and Emme used 3/4 of her 4 pints of paint. How much of Maria and Emme's paint remained after the first day of painting? Enter your answer as a - First calc What part of the expression below should be calculated first? 8 + {22 × [15 + (14 × 2)]}
- Eighty 2
Eighty children went on a field trip. If three-fifths of them were boys, how many were girls? - Slices 3
A whole pizza is cut into eight equal pieces. How many slices can be cut from 6 1/2 similar pizza? - Jumping You exercise for 3/4 of an hour. You jump rope for 1/3 of that time. What fraction of the hour do you spend jumping rope?
- Wanted book
Kianna had 48 Eur, and Kyle had 42 Eur. Kyle shared 1/6 of his money, and Kianna shared 1/8 of her money to buy a book that they both wanted to read. How much money did they share to buy the book? - Cookies
Each large cookie is 5/6 oz. And each small cookie is 4/9 oz. What is the total weight of two large and one small cookie? - Classroom height Suppose a rectangular classroom is 16 feet long, 24 feet wide, and has a volume of 3,763 cubic feet. How high above the floor is the ceiling?
- Pupils 13 If ⅜ of the pupils in year 9 say, their favorite color is red. There are 112 pupils in year 9. How many students said red is their favorite color?
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
