Maths practice for 12-year-olds - page 34 of 350

Number of problems found: 6985

Philip
Philip is snorkeling along a coral reef. He's wearing an altimeter, which tracks his elevation. Philip snaps a picture of the reef at an elevation of -10 1/2 feet. Then he spots a nurse shark and swims to it for a closer look. By the time he reaches the s
Dive Attempt
Dive Attempt ; Fraction of the distance to the pool bottom Dive 1; 1/4 Dive 2; 2/3 Dive 3; 5/6 Tony's second dive was deeper than his first dive by what fraction of the pool?
Eduardo
Eduardo wrote a fraction problem by adding 1/4 and then subtracting 2 1/2 in the same pattern, and he got these numbers: 8 5/8, 6 1/8, 6 3/8, 3 7/8 Identify the next two numbers in the pattern
Here are 2
Here are two sets: A:={{1,2},{1,4},{2,4}} and B:={{1,4},{1},{2},{4,2}}. How large is |A∩B|
A man 10
A man gave 1/6 of his SSNIT benefits to his aged mother, 1/5 to his father, and 1/2 to his wife. If he still has 400 left, which he distributed among his four sons. Calculate a) his total SSNIT b) the amount is given to his mother c) the amount is given t
The mean
The mean of four numbers is 5, and the mean of three different numbers is 12. What is the mean of the seven numbers together?
Solve 19
Solve equation with fractions: 1/3+what=1/5
The long
The long side of a rectangular frame is 2′9″, and the short side is 1′3″. What is the area of the frame in square feet?
Jacobi
Jacobi bought 7 1/2 pounds of meatballs. He decided to cook 1 1/4 pounds and freeze the rest. How many pounds did he freeze?
Cookies 7
One batch of cookies requires 2 2/3 cups of sugar. How much sugar does Angela need if she wants to make 1 1/2 batches?
An average 2
An average student spends 4 1/2 minutes reading one page of a book. How much time will he need to read 5 1/2 pages?
Mel and Lisa
Mel and Lisa used 9/10 of the clay in their art kit. Mel used 1/2 of the clay. How much clay did Lisa use?
Flour to water
If the ratio of flour to water in a bread recipe is 5:2, how much water would you have to add to 17.5 cups of flour?
Suppose 9
Suppose that 14 inches of wire cost 42 cents. At the same rate, how much (in cents) will 48 inches of wire cost?
A chocolate
A chocolate bar is 3/4 of an inch long. If it is divided into 3/8 of an inch long, then how many pieces is that?
Tables and chairs 2
If the cost of 1 chair is Rs.x and the cost of 1 table is Rs.y, then find the cost of 5 chairs and 6 tables.
Jims weekly
Jim's weekly wage was $12,600. If he spent 5/6 of his wage on living expenses, how much of his wage remains?
It rained
It rained 2 7/15 inches in June and 3 2/15 inches in July. How many more inches did it rain in July than in June?
50 people
Fifty people went to a play. 3/5 of the people stayed until the end. How many people are left?
John has
John has read the first 114 pages of a novel. He has read 3 pages less than one-third of the novel. Write an equation to describe the total number of pages p in the novel, and find the value of p.

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