Christmas Maths Quiz

Sets

100

What is a set made up of?

Elements

200

A={1,2, 3,7,8}, B= {2,4,6,8} What is A intersection B

AnB= {2,8}

300

A={1,2, 3,7,8}, B= {2,3,6,8} What is A union B?

AuB= {1,2,3,6,7,8}

400

U= {1,2,3,4,5,6,7,8} A={1,2,3,7,8}, B= {2,3,6,8} What is A compliment?

A'={4,5,6}

500

Give me an example of a subset of Integers.

Good note if you said Natural Numbers!

=,> or <

100

What does BIRDMAS stand for?

Brackets

Indices   Roots

Multiplication  Division

Addition Subtraction

200

-2<4?

True

300

5² = 16?

False

400

2 divided by 3 > 0.25

True

500

4 by 3 = 2⁴

False

Algebra Definitions

100

What is an expression? Write an example on the board.

Anything that doesn't have an equals sign

200

What's an equation? Write an example on the board.

Anything with an equals sign

300

What is a variable?

A letter or symbol that stands in for a number.

400

What's a constant?

A value that doesn't change. (Number with no variable)

500

Here's an expression: 2x - 4y +7a + 10b

What is the coefficient of y ?

-4

Adding Like Terms

100

Simplify 2x+3x

5x

200

Simplify 3x+6x-10

9x-10

300

Simplify 7y-8y

-y

400

Simplify 8+3a + 2b -5a +7b -20

-2a+9b-12

500

Simplify 12a+8b-3a-5b-7c+32+13c

9a+3b+6c+32

Substitution & Multiplying Brackets

100

x=2 y=1 what is 3x+2y?

8

200

a=3 b=-4 What is 4a-2b?

20

300

Simplify 5(2x+4)

10x +20

400

Simplify 6(a+2b)+a-7

7a+12b -7

500

Simplify 4(a+b+1)+3(2a-3b-4)

10a-5b-8