Math Jeopardy 1st Year

Algebra

100

simplify 2x +3y +10x - y

12x + 2y

200

Solve 3x+5 = 17

x = 4

300

Solve 4(2x+1) = 28

x = 3

400

Solve 1/2 x - 3 =7

x = 20

500

Solve 2(x+1) + 4(x - 2) = 12

x = 3

Geometry

100

Find the area of the square with side length 7 cm

Area = 49 cm²

200

Find the area of the triangle with base 5 cm and perpendicular height 8 cm

Area = 20 cm²

300

Find the perimeter of the rectangle with length 10 cm and width 12 cm

Perimeter = 44 cm

400

Find the perimeter of the rectangle with length 10 cm and width 12 cm

Perimeter = 44 cm

500

Give the side lengths of a square that has the same area as a rectangle with side lengths 3cm and 12 cm

Side length = 6 cm

Inequalities

100

List three integers that satisfies x > 3

x = 4, 5, 6,  . . .

200

List three natural numbers that satisfies x < 7

x = 1, 2, 3, 4, 5, 6

300

List three integers that satisfies 2x + 1 > 9

x = 5, 6, 7, 8, 9  . . .

400

How many natural numbers satisfies the inequality

 3x - 5 < 10 

4 natural numbers (1, 2, 3, 4)

500

Solve for x, if x is any real number

8 - 4x > 20

x < - 3

BIDMAS

100

2 x 3 + 4 x 5

6 + 20 = 26

200

20 / 5 + 4 x 3 - 2 x 0

4 + 12 - 0 = 16

300

7 x 6 / 3 - 10 x 2

14 - 20 = - 6

400

3² x 2²

9 x 4 =36

500

5² (5 - 2²)

25 (5 - 4) = 25 (1) = 25

Sets

100

What do you call a set with no elements?

The Null set

200

If set A = {2, 4, 6, 8, 10}, state #A

#A = 5

300

If P = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and 

Q = {1, 3, 5, 7, 9, 11, 13, 15}

Find P intersect Q

P and/intersect Q = {1, 3, 5, 7, 9}

400

What does A' mean in set notation?

Everything is the universal set EXCEPT what is in A

500

If P = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and 

Q = {1, 3, 5, 7, 9, 11, 13, 15}

Find #(P U Q)

#(P U Q) = 13