Find the Value
x+7 = 14 x=?
x=7
7x40=
280
1/2 + 1/2 =
1
What is 50% of 100
50
What is a polygon? Give some examples.
a closed figure with all sides straight. Triangle, square, rectangle, ..
18+y=36 y=?
y=18
18x18=
324
1/4 + 1/4 =
1/2
What is 20% of 50?
10
What's the difference between area and perimeter? What the area and perimeter of a rectangle with side lengths 4 cm, 7 cm, 4 cm, and 7 cm?
Perimeter is the distance around a polygon and area is the amount of space a polygon takes up. P: 4 + 4 + 7 + 7 = 22 cm A: 4 x 7 = 28 cm ^2
z+120=260 z=?
z=140
What's my age?
53
1.3+1.7=
75% of 200
150
What are the different types of triangles? How do you find the area of a triangle?
Scalene, isosceles, equilateral. Bonus: Obtuse, right angle, acute A: (base x height) / 2
y+130-40=160 Y=?
y=70
In a student survey, 80% of students said they received too much homework. If 300 students were surveyed, how many students claimed they have received too much homework?
240
1/8+1/8=
2/8
What is 50% of 140?
70
What's the different between a prism and a pyramid?
A prism has a triangular base and a pyramid has a square base.
(m+200)+(60-20) = 280 m=?
m=40
Harry scored 70% on his percentage test. If the test is out of 50 marks, how many marks did Harry score?
35
what is 210/420 simplified?
1/2
What is 5% of 80?
4
How do you calculate the surface area of a prism?
SA=2B+ph (where SA stands for surface area, B stands for the area of the base of the prism, p stands for the perimeter of the base, and h stands for height of the prism)