Math practice for 13 year olds - page 30 of 365
Number of problems found: 7285
- A right
A right triangle has side lengths a=3, b=5, and c=4, as shown below. Use these lengths to find tan x, sin x, and cos x.
- The volume 8
The volume of a right regular hexagonal prism is 187.2 cubic millimeters. The line segment that has a length of 2.6 millimeters begins at the center of the hexagon and ends at one side of the hexagon. 3 mm base. Find the height.
- Negative mixed numbers
Add -13 1/4+4 3/4. Write your answer as a mixed number in simplest form.
- The yarn
A ball of yarn contains 60 feet of yarn. Tina needs 1.2 feet of yarn to make a bow for a package. How many packages can Tina make a bow for with her yarn?
- Belle
Belle is planning to buy a cake and a dress as a gift for Alice. The price of the cake is Php 40.00 more than half the price of the dress. The total cost of the cake and the dress is 670.00 Php. How much is the cake?
- Lannie
Lannie has 5 1/2 cups of chocolate chips. She needs 1 3/4 cups to make one batch of chocolate chip cookies. How many batches of chocolate chip cookies can she make?
- Map scale
On a map, on a scale of 1:50000, what is the distance in kilometers that 6 cm on the map represents?
- Cheap chocolate
Lucy's chocolate bar is 29% cocoa. If the weight of the chocolate bar is 100 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth.
- A statue
A statue on a shelf is recreated on a computer screen. The actual statue is 14 in. tall and 4 in. wide. The statue on the computer screen is 1.5 in. wide. How tall is the statue on the computer screen?
- Shandra
Shandra saved $24. She lends 1/3 of her savings to her brother. Shandra wants to buy an $18 bracelet. Will she have enough money to purchase the bracelet? Explain
- 670 person
Six hundred seventy people were tested for RT-PCR. As a result, 80% tested negative. How many tested positive?
- Boxes to mail
Leah has six boxes that she wants to mail. Five identical boxes weigh 3 and 7/8 pounds each. The last box weighs two times as much as one of the other packages. How many pounds do all six boxes weigh?
- Product, sum and quotient
If the product of 1 1/6 and 3 2/3 is added to the quotient of 5/7 and 6/7, what is the sum? Write the solution as a mixed number or a fraction in the lowest terms.
- Frank's
Frank's mom baked several pies and cut them, so each slice is 1/16 of a pie. Frank plans to eat 8 5/8 pies. How many slices will frank eat?
- What is 29
What is a fifth of 2,50kg?
- A triangle 9
A triangle has an area of 16 1/2 square units. The height is 3 2/3. What is the base?
- School time
If Martin started school at 8:30. If he spent 6 3/4 hours in school, what time did he leave school?
- Vimla
Vimla purchased 10 m of curtain material; she stitched 3 curtains of length 2 1/4 m, 1 1/2 m, and 2 1/2 m. How much material is left unstitched?
- Evaluate expression 10
Evaluate expression: (a-b)+c if a=7/10, b=3/5, and c=-1.9. Write your answer as a mixed number in simplest form.
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