Maths practice for 12-year-olds

Examples and word math problems for 7th grade.

Direction: Solve each problem carefully and show your solution in each item.

Number of problems found: 8

Sss triangle 2
Construct triangle ABC in which |AB|=5cm, |AC|=6cm and |BC|=9cm
Jana mixing
Jana mix is 1/4 gallon of orange juice and 1/2 gallon of pineapple juice to make punch. Each serving is 1/16 gallon. How many servings can go in? Make sure you work.
Juice servings
Dina has 3 5/8 liters of pineapple juice. If one serving is 1/4 liter, how many servings of pineapple juice does she have?
Circumference of a circle
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres.

Cereals
Ari and Joey share a 30-ounce box of cereal. By the end of the week, Ari had eaten 3/10 of the box, and Joey had eaten 3/5 of the box of cereal. How many ounces are left in the box?
Common divisors
Find all common divisors of numbers 30 and 45.
Equivalent expressions
A coach took his team out for pizza after their last game. There were 14 players, so they had to sit in smaller groups at different tables. Six players sat at one table and got four small pizzas to share equally. The other players sat at a different table
Gutter
How much metal is needed to produce 60 pieces of gutter pipes with the diameter 17 cm and length of 6 m? The plate bends add 6% of the material.

We apologize, but in this category are not a lot of examples.
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