Maths practice for 12-year-olds - page 14 of 349
Number of problems found: 6969
- Nisha
Nisha likes to make small rectangular paintings of cats. One of her paintings has an area of 33cm squared and a width of 7 1/2 centimeters. What is the height of this painting? - Muffins 3
Adela went out and bought some muffins. She gave 27 to Jack and 2/7 of the rest to her brother. She is then left with 1/2 of the number of muffins she had before. How many muffins did Adela have at first? - Temperature minus
On a very cold day in January, the temperature started at -12 degrees. The temperature rose 20 degrees during the day. That evening, the temperature fell 10 degrees. What is the temperature at the end of the day? - GCD&LCM of three
GCD of three numbers is 30 and LCM is 900. As two the are 60 and 150, find the number. - Julian 3
Julian had 7 cookies and gave half of them to a friend. How many cookies did his friend get? - Carla 4
Carla is hanging a quilt that is 0.8 meters wide on a wall that is 3.3 meters wide. Carla wants the quilt to be centered on the wall. Which of the following is the most reasonable estimate for the space on either side of the quilt when it is perfectly cen - A high
A high school track team's long jump record is 23 feet, 11 3/4 inches. Paul's best long jump is 23 feet and 3 1/2 inches this year. If long jumps are measured to the nearest quarter inch, how much farther must jump to break the record? - The total 3
The total length of the two rugs is 10 meters. If one rug is 5 7/8 meters, what is the length of the other rug? - Nancy
Nancy bought 3 kg of queso de bola. If she divides it into 3/4 kg for her sisters, how many sisters does she have? - A reel A reel of thread contains 20 1/2 m of thread. How much thread is left if Mr Sen used 4 1/4 m of the thread?
- The cat
The cat starts with 4/6 of a cup in his bowl. It eats 1/4 of a cup of food. How much food is left? - Eq simple If three times a number is subtracted from 7 times the number, the result is 2. What is the number?
- Mr. Ancheta Mr. Ancheta bought 8/9 of a cake. He slice it into 1/4 pieces. How many 1/4 pieces were there?
- Alice 4
Alice needs 3⅕ cups of milk for her to put into the recipe. How many cups are needed for 2½ of the recipe? - Add, sub and div Find the value of (52 - 14 - 8 - 7)/(15 - 4 * 2) Give your answer as a mixed number in its simplest form.
- Tim had
Tim had $360. He spent 1/4 on CD's and 2/3 of the remainder on snacks. What was left in his piggy bank? - Kamau Kamau had 3/4 of a cake. He gave 1/3 to his wife and 1/6 to his father. What fraction of the cake remained?
- Unknown r
Solve for r. (2)/(3) * r = 5 Write your answer as a fraction or as a whole or mixed number. - Divide mixed numbers
Divide the following fractions and reduce your answers to its simplest form if possible: 1. 2 3/4 ÷ 3 1/12 2. 3 2/3 ÷ 4 1/2 3. 5 3/7 ÷ 2 3/9 4. 6 2/3 ÷ 1 1/5 - Mrs. Susan 2
Mrs. Susan received a shipment of 60 novelty baseball caps. Of the caps, 1/3 had bug antennae, 2/5 had moose antlers, and the rest had plastic propellers. How many of the caps had plastic propellers?
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