GRADE 7
What is the mathematical equation for
“five more than x is thirty”?
5+x=30?
What is the mean (average) of the numbers 5, 7, 10, and 12?
Mean = (5 + 7 + 10 + 12) / 4 = 34 / 4 = 8.5
What is 3/4 as a decimal?
0.75
Find the mode of the following set of numbers: 8, 12, 8, 16, 12, 10.
Mode = 8 and 12
What is the name of a polygon with six sides?
What is the formula for the circumference of a circle?
C = 2πr
What is the name of a polygon with eleven sides?
Hendecagon
Find the hypotenuse of a right triangle with legs of length 3 units and 4 units.
5 units
How many degrees are in a right angle?
90 degrees
Calculate the median of the following set of numbers: 12, 9, 5, 7, 15.
Median = 9
Calculate the perimeter of a square with sides measuring 6 units.
24 units
Given the equation of a circle as (x - 2)2 + (y + 3)2 = 16, what are the coordinates of the center and the radius of the circle?
Center: (2, -3); Radius: 4 units
What is the area of a square with sides measuring 6 units?
36 square units
Who is often referred to as the "Father of Geometry" and is known for his work in Euclidean geometry?
If f(x) = 3x - 2, what is f(4)?
f(4) = 10
Find the next three terms in the arithmetic sequence: 7, 12, 17, ...
22, 27, and 32
If y + 7 = 12, what is the value of y?
y = 5
Who is known for the invention of the Cartesian coordinate system, which introduced the use of algebra to describe geometry?
René Descartes
Calculate the area of a right triangle with a base of 6 units and a height of 8 units.
24 square units
Determine the x-intercept and y-intercept of the linear equation: y = 2x - 6
X-intercept: (3, 0); Y-intercept: (0, -6)