Math practice for 13 year olds - page 31 of 422

Number of problems found: 8427

Order tempteratures
At 9:00 PM, the temperature was –26 degrees Fahrenheit; at 10:00 PM, the temperature was –28 degrees Fahrenheit; and at 11:00 PM, the temperature was –14 degrees Fahrenheit. When was it warmest?
Two chords 2
The length of one of two chords of a circle is 12cm. If the chords are 6cm and 7cm away from the center of the circle, calculate the length of the second chord.
Amy, Cindy
Amy, Cindy, and John shared a sum of money among themselves in the ratio of 5:8:11, respectively. If the money had been divided equally among themselves, Amy would have received an extra $18. (a) Would the amount of money that Cindy received change? Expla
A goat 2
As shown, a goat is tied at one corner of a rectangular shed by a 5-meter-long rope. The shed measures 3 m by 2 m and is surrounded by grassland. What is the area of the grassland in which the goat can graze? Give your answer to the nearest m².
Jake desires
Jake desires to purchase a house valued at 3000000. The bank approves his mortgage with a 12% deposit and 5% interest. What is the deposit?
A fair dice
A fair six-sided dice are rolled. What is the probability that the first number rolled is greater than 1 and the second number rolled is odd? Type your answer as a fraction in the simplest form.
Division by fraction
If b divided by 1/12 = 15, what does b equal?
New drink
Create a new drink can that will double the volume of the original can used. The dimensions of the can: 6cm diameter and 10cm height. You are to double the volume with the least amount of additional aluminum needed for the new can. There are 3 options : O
Emu vs. Ostrich
The ostrich and the emu are the two largest birds. An emu is usually 1/2 the size of an ostrich. The sum of their heights is 150 inches. How tall is the average ostrich?
Petra 4
Petra had 20 meters of cloth. She made 3 dresses of the same size, and two meters were left. How many meters did each dress take?
Marcellus
Marcellus has two bottles of ketchup that are the same size. One bottle is 1/5 full, and the other bottle is 1/2 full. Can all the ketchup fit into one bottle without the ketchup overflowing?
Rose and
Rose and Bill share a 30-ounce bucket of clay. By the end of the week, Rose has used 1/10 of the bucket, and Bill has used 2/5 of the bucket of clay. How many ounces are left in the bucket?
Rectangle 83
Rectangle land has a dimension of 8 km times 10 9/10 km. What is the area? Write your answer as a fraction or as a whole or mixed number.
Club meeting
In the Green club meeting, 1/3 are Grade 4, 1/5 are GRADE 5, and the rest are Grade 6, pupils. If the total attendance is 240 pupils, how many are GRADE 6?
Inheritances
According to a will, the inheritance is to be divided among 2 sons and 1 daughter. The ratio of the amount given to the eldest son to the amount given to the daughter is 2:1 the ratio of the amount given to the youngest son to the amount given to the daug
Dinesh 2
Dinesh left town L for town M at a constant speed and took 10 hours to complete the journey. At the same time, Saanvi left town M for town L, traveled at a constant speed, and took 6 hours to complete the journey. They both passed each other at a point 72
Storage shed
Frank designed a net for a storage shed that he is going to construct out of metal. The design consists of a square base and four square sides, plus four triangular parts that make up the roof. A square base of 6 feet and four square sides, plus 4 feet of
A fruit 3
A fruit market sells mangoes and apricots in a ratio of 3:2. If their sales of mangoes and apricots combined came to 35, how many apricots did they sell?
Box/cuboid
What is the volume of a box with these dimensions: H = 1.5 dm W = 3.5 dm L = 45 cm Give your answer in dm³ and round to the nearest tenth.
HST Ontario
Wants to buy some new stylish shoes for back to school in grade 8. These crocs cost 59.99 before tax. How much does he need to pay in total in Ontario (sales tax HST=13%)?

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