Math Problem Solving: Grade 6 Part II

Consider an equilateral triangle below. Two of its sides are known to have long each (2x) and x = 15 cm.

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What is the circumference of the triangle ?

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Math Problem Solving Grade 6

Four isosceles triangle is the same, each side of its base is a square that has a length of 6 cm.

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From the picture above, will set up a pyramid (square pyramid) by connecting each point of the triangle top. If after the formation of a high pyramid paramida note that these are 4 cm. What area of the entire surface (side) of the pyramid ?

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Grade Six

Rini was assigned to take a journey from place A to place B on the condition that he should not follow the path of straight line from A to B. He was given 2 choices, first take the form of half-way great circle arc AB and the second through an arc-shaped path AC followed the path that shaped arc CB.

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Given that the distance of a place A to place B is 10 km and the C right in the middle of the line AB. Determine how the difference in distance traveled by the first choice and the distance traveled by the second option !

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Magic Square

Note the rectangular  4 x 4 below!

If each row, column and diagonal on the square at the top should be filled by all the numbers 1, 2, 3 and 4 the value of K + N is ….

A. 3
B. 4
C. 5
E. 6

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Math For Grade Six-Part II

Problem 1
A set of five different positive integers has an average (arithmetc mean) of 11. What is the largest possible number in this set ?
A. 45
B. 35
C. 35
D. 44

Problem 1
Three tenths of our planet, earth is covered with land and rest is covered with water. Ninety-seven percent of water is salt water and rest is fresh water. What is percentage of the earth is covered in fresh water ?
A. 20.1 %
B. 79.9 %
C. 32.1 %
D. 2.1 %

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