Review 1ºBRIT TUBALCAÍN

Natural Numbers

100

The set of all multiples of 3

tres punto arriba={3, 6, 9, 12, 15,…}

200

The set of all divisors of 24

Div(24)={1, 2, 3, 4, 6, 8, 12, 24}

300

Greatest Common Divisor of 24 and 77

GCD(24, 77)=1

400

Least Common Multiple of 45, 25 and 15

LCD(45, 25, 15)=225

500

Greatest Common divisor of 36, 75 and 108

GCD(36, 65, 108)=3

Powers

100

Reduce to one power using the properties of powers

a².a³.a=

a².a³.a=a⁶

200

Reduce to one power using the properties of powers

3⁸:(3²)⁴=

3⁸:(3²)⁴=1

300

Reduce to one power using the properties of powers

5³.(5²)³=

5³.(5²)³=5⁹

400

Reduce to one power using the properties of powers

20⁴.(2²)²=

20⁴.(2²)²=40⁴

500

Reduce to one power using the properties of powers

(10²)³:5⁶=

(10²)³:5⁶=2⁶

Combined Operations

100

Calculate:

3.(5-2+4)=

3.(5-2+4)=21

200

Calculate:

34-[3+(15+7)]=

34-[3+(15+7)]=9

300

Calculate:

(14-2+7+6):(17-12)=

(14-2+7+6):(17-12)=5

400

Calculate:

[350-4*(12-7)]-7*8-9:3=

[350-4*(12-7)]-7*8-9:3=271

500

Calculate:

[2*10-(18:3)]+2*[3*(2²)²]=

[2*10-(18:3)]+2*[3*(2²)²]=110

Integer numbers

100

Express with an integer:

”four degrees below zero”

-4

200

Absolute value of minus five

5

300

The oppossite of the absolute value of minus three

-3

400

Calculate:

(-14)+(-4)=

-18

500

Calculate:

(-7)+(+9)=

2

Halloween

100

Where is Dracula’s castle located?

Transilvania, Romania

200

After knocking at the door on Halloween night what do you say?

Trick or treat

300

Are pumpkins vegetables or fruits?

Fruits

400

How did Jack o’lanterns originate?

Used to scare off spirits

500

Most popular costume in the USA of 2023?

Barbie