Maths practice for 12-year-olds - page 122 of 350
Number of problems found: 6985
- The diagonals 2
The diagonals AC and BD of a rectangle ABCD intersect at a point O. If OA=4cm, find AC and BD. - Bananas plantation
Ashok Rao planted bananas on 2/7 of his field on his 21 acres. What is the area of the banana plantation? - Icing cookies
Miriam is making 3 1/2 dozen cookies. If 2/7 of the cookies have icing, how many dozen cookies have icing? - Hungry cat
John is a fully grown cat. He eats 2/3 of a can a day. How many cans of food does Tinker eat in a week? - Math club
A math club has 25 members, of which 11 are male and the rest are female. What is the ratio of all males to all clubs? - The length 5
The length and breadth of a rectangular field are 3 1/5 m and 1 3/7 m. Find the area of the rectangular field. - Three pieces
Hana has three pieces of sticks measuring 0.365m, 0.152m, and 0.537, respectively. Is the stick if she puts them end to end? - Golf balls
Of the 28 golf balls, 1/7 are yellow. How many golf balls are yellow? Use the model to help you. Enter your answer in the box. - Division by zero
Fraction 5 by 2. if three is added to the numerator and two is subtracted from the denominator, then the new fraction is: - Original price p
If the original price of a table is p and the sales price of the table is p-0.3p, which other expressions represent the sale price of the table? Calculate also for p=100 USD - Joy has
Joy has 3/4 yards of fabric. She cuts the fabric into pieces that are each 1/8 yard long. How many pieces of fabric does Joy have? - Baxter
Baxter ate 1/12 of a box of dog food. Now the box is 3/4 full. What fraction of the full of a full box was there before Baxter? - The cost 2
The cost of 5 apples is $3.45, and 5 oranges are $1.23. If Rachel buys one apple and one orange, then how much must she pay? - Light-years
Planet X is ten light-years away from Earth. Planet Y is 8 1/2 light-years away from Earth. How much farther away is Planet X? - The building
Forty-five people live in the building. Three-fifths are men, and two-fifths are women. Find the number of men and women in the building. - Cornbreads
If four and a half teaspoons of baking powder are needed to make ten servings of cornbread, how many teaspoons are needed to make 25 servings? - Multiplication negatives
Josh says that (4)(-7)(-1) is equal to (4)(7). Evangelina says (4)(-7)(-1) is equal to (-28)(-1) . Who is correct? Explain your reasoning. - Paula
Paula is painting six doors that are all the same size. She used 2 liters of paint to cover 1 3/5 doors. How many liters of paint are needed for 1 door? - How many 15
How many six-eights are there in 18? Which of the following would you choose to solve this question? 18 x 6/8 or 18 : 6/8 - Each of
Each of Suzan's notebooks is 4/5 inches wide. How many notebooks will fit if she has 25 inches of space remaining on her bookshelf?
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