Desert Island Adventures EN

Desert Island Adventures

Notebook

Notes on the island

Use with caution

Introduction

Rigoberto has had a plane crash and landed on an island, can you help him get back home?

To help him get off this numeric island, you will have to overcome a series of challenges. In each of the five missions you will find materials that will help Rigoberto survive. To access the last mission, you will need to find a code that will allow him to leave the island.

Tiririri-ri!

Backpack

Backpack

Plane

Bushes

Forest

Raft

Shelter

Missions

These are the areas of the island you'll have to visit - here's where your adventure begins!

Numbers and operations

Your adventure starts on the plane. You will have to answer all the questions correctly to get food and cooking utensils to help you survive on the island.

1

Plane

Suitcases

miSSIOn

Backpack

A.

B.

C.

D.

mmm

Backpack

The black box of the plane needs a code to open. This number is the result of this operation:

5

1

8

5

8

2

__

__

__

7

8

__

6

8

8

1

__

__

-

=

A. 91

B. 101

C. 98

D. 95

¡Vamos!

Backpack

During the crash landing, 49% of the 200 seats on the plane fell into the sea. How many seats are missing?

62 + ( 7 ÷ 7 + 1 ) =

B. 36.87

C. 35

A. 38

D. 5.37

¡Vamos!

Backpack

Rigoberto has found the survival kit and must perform this operation to find out how many supplies he has left:

It will be added to your backpack.You will need it to be able to eat during the days you spend on the desert island.

GOOD!

You have food and cooking utensils

Yes!

Backpack

Plane

Bushes

Forest

Raft

Shelter

Backpack

Missions

You have completed the first mission! Now you must continue through the forest.

Magnitudes and measurements

Logs

Forest

Help Rigoberto solve these problems to get a rope and leave the island.

2

MISSION

Backpack

If Rigoberto has travelled 8 km and 250 m from point A to point B on the island, but he has to get to point C and has 20 hm and 5 dam left, how many km does he have to travel in total?

10km y 50m

Backpack

10 km y 300m

12km y 500m

8km y 900m

Help Rigoberto sort the logs from smallest to largest, in centimetres, so that he can cross the road.

78cm, 56m, 620cm, 0,32cm y 24cm.

78cm, 620cm, 0,56cm, 0,032cm y 2,4cm.

Backpack

78cm, 62cm, 56cm, 32cm y 24cm.

780cm, 0,62cm, 5,6cm, 0,32cm y 240cm..

Ups... After such a tiring day Rigoberto is very thirsty.He has just come across a river so he can fill his water bottle.If it has a capacity of 1L, can you tell how many cm3 that is?

10dm3

1000mm3

Backpack

1cm3

1000cm3

It will be added to your backpack.You will need it for the days you spend on the desert island.

GOOD!

You have a rope, maybe it will be useful

Great!

Backpack

Backpack

Plane

Bushes

Forest

Raft

Shelter

Missions

To complete the next mission you will have to go through the bushes - go ahead!

Backpack

Food

Bush

STATISTICS AND PROBABILITY

The adventure continues. Can you help him solve these problems to find the third utensil?

3

MisSIOn

The first day he encountered a monkey and three turtles; the second day he saw eight rabbits and seven parrots; and today he has already encountered three toads, two more turtles, and three more parrots. Would you know which of the two graphs represents Rigoberto's data?

Backpack

During these days Rigoberto has met some animals.

Animals of the island

Animals of the island

Rabbits

Parrots

Turtles

Toads

Monkeys

Rabbits

Parrots

Turtles

Toads

Monkeys

B. 2

C. 3

A. 1

D. 4

¡Vamos!

Backpack

How many more turtles than toads are there?

Rabbits

Parrots

Turtles

Toads

Monkeys

Animals of the island

B. 8/25

C. 1/27

A. 8/27

D. 1/25

Great!

Backpack

If Rigoberto were to choose an animal randomly to take with him, what would be the probability that he would get a rabbit?

Animals of the island

Rabbits

Parrots

Turtles

Toads

Monkeys

Pista ¿Has contado cuántos animales hay en total?

It will be added to your backpack.You will need it for the days you spend on the desert island.

GOOD!

You have an axe, it might come in handy.

Keep it up!

Backpack

Backpack

Plane

Bushes

Forest

Raft

Shelter

Missions

You have nothing left to help him get off the island - do you dare to explore the refuge?

Backpack

Tent

Shelter

GEOMETRY

It's getting closer! Solve these problems to get the last tool and escape from the island.

4

MISSION

Rigoberto's tent is shaped like a pentagonal pyramid. Which of these will be the base polygon of the tent?

Backpack

Pista Una pirámide pentagonal tiene esta forma:

A. Bisector

B. Perpendicular bisector

C. Tangent

Rigoberto needs a stick to hold up his tent. What is the red line in the picture on the left called?

Backpack

Pista

• La bisectriz es la recta que divide un ángulo en dos partes iguales.
• La mediatriz es una recta perpendicular a un segmento, que lo divide en dos partes iguales.
• La tangente es una recta que toca a una curva solo en un punto.

A. 600 cm

B. 300 cm

C. Some information is missing

Rigoberto wants to build a fence for the animal farm in the shape of a regular hexagon. One of the sides measures 50cm, how many cm of wood will he need?

Backpack

50 cm

Pista Todos los lados y ángulos de los polígonos regulares son iguales.

It will be added to your backpack.You will need it for the days you spend on the desert island.

GOOD!

You have a torch, maybe it will be useful.

Yeah!

Backpack

Backpack

Plane

Bushes

Forest

Raft

Shelter

Misisons

You're about to get it! Don't give up now.

Wait, lookin your backpack

Check the items in your backpack and use the torch to find the code to access the last mission that will allow you to leave the deserted island.

Keep searching

Code: 538- 25 +314

Keep searching

Keep searching

Keep searching

1st code: 1

2nd code: 2

3rd code: 3

Raft

Logs

You've found the code!

Now try to solve the final challenges to be able to build the raft and leave the island.

5

MISSION

Raft

Logs

Rigoberto needs to know the area of the raft so he can build it. Can you help him?

The width is 2m and the length is 5m.

700cm²

10m²

10cm²

70m²

Pista El área de un rectángulo es base por altura: b x a.

Forest

Plane

Mountains

Shelter

Bushes

Well... We have a problem!

You've been all over the island, you've managed to build a raft, but now you can't remember where you left your rucksack and you'll need it before you can leave here. On the map you can see the places where your backpack might be...

Drag the parts of the map to find where you left your backpack and run away from the deserted island.

Deserted island map

Thanks to your mathematical skills, you have managed to help Rigoberto get off the island and return home safely.

CONGRATULATIONS!

Again!

Wow, you got it!

DON'T GIVE UP!

Don't worry, you do it!Try again!

Ouch!