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Proeflessen Overzicht

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Proefles Rekenen, Breuken Optellen - Toets


Onderwerp: percentages en breuken

Beantwoord de onderstaande vragen door op een antwoord te klikken of het antwoord in te typen.


Vraag 1: Van een som geld krijgt A 25%, B 1/4 en C de rest, te weten: 100 EURO.

Hoe groot is de som geld?

Hoeveel krijgt A?

Hoeveel krijgt B?

Vraag 2: Van een som geld geeft iemand eerst 15% uit, daarna 10%. Hij houdt nog 750 EURO over.

Hoeveel had hij eerst?

Vraag 3: In de rivier staat een paal. 1/4 zit in de grond, 3/8 zit onder water en de rest steekt uit boven water

Hoelang is de paal als het deel dat boven water uitsteekt 3 meter lang is?

Vraag 4: Een kapitaal staat uit tegen 4% rente per jaar. Na 1 jaar is verhouding Kapitaal : Rente gelijk aan:

A. 1 ; 4
B. 4 : 1
C. 25 : 4
D. 104 : 4

Vraag 5: Kapitaal - Een ouder heeft 7000 EURO op de bank staan. Na een jaar is dat bedrag door rente gegroeid naar 7350 EURO zonder bij te storten.

Hoeveel procent rente krijgt de ouder per jaar?

Vraag 6: Mengsom - Een handelaar heeft 100 kg pinda van 7 EURO per kg, 150 kg van 6 EURO per kg en 50 kg van 8 EURO per kg.

Als hij de pinda's mengt, wat moet dan 1 kg pinda kosten?

Vraag 7: Eenheden Omrekenen

5,3 km is hoeveel meter (m)?

8.97 dm is hoeveel meter (m)?

2344 m is hoeveel kilometer (km)?

Vraag 8: Reken de breuksommen uit in breuken

5/2 x 2/5 =

2/4 x 1/3 =

9 x 5/2 =

4 : 3/4 =



Vraag 9: Reken de sommen uit

8,52 + 2,60 =

4,13 + 0,20 =

12,2 + 3,33 =

Vraag 10: Het gemiddelde - 3 klasgenootjes gaan appels plukken. De 1e plukt 10, de 2e plukt 25 en de 3e plukt 4 appels.

Als ze evenveel mee naar huis willen nemen, hoeveel krijgt een ieder dan?

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Primary School Wisdoms

These are the fundamental life lessons and pieces of advice that often get instilled in us during those formative years. They might seem simple, but they lay the groundwork for how we navigate the world.

Here are 7 key wisdoms often learned (or at least introduced) in primary school:

1 - Clean up after yourself.This promotes responsibility, organization, and consideration for the shared environment. It's a practical life skill that extends beyond the classroom.

2 - Treat others how you want to be treated.This is the golden rule, emphasizing empathy, kindness, and respect in all interactions. It's about understanding that our actions have an impact on others.

3 - Be yourself.This fosters self-acceptance, individuality, and the understanding that everyone is unique and valuable in their own way. It discourages trying to fit in at the expense of one's own identity.

4 - Honesty is the best policy. his instills the value of truthfulness and integrity. It teaches that while being honest might be difficult sometimes, it builds trust in the long run.

5 - Everyone makes mistakes; it's okay to try again. This fosters resilience, encourages learning from errors, and reduces the fear of failure. It highlights the importance of perseverance.

6 - Listen carefully when others are speaking.This develops active listening skills, shows respect, and aids in understanding. It's crucial for effective communication.

7 - Be kind to everyone. This extends beyond just treating others well; it emphasizes inclusivity, compassion, and understanding towards all individuals, regardless of their differences.

These wisdoms are often conveyed through stories, classroom rules, teacher guidance, and interactions with peers. They form a moral and social compass that helps children navigate their early years and beyond. While we might refine or expand on these ideas as we grow, their core messages often stick with us throughout life.

Fun Animal Facts

Here are 7 fun animal facts perfect for primary school children:

1 - Kangaroos cannot walk backward: Their big tails and strong legs make it difficult.

2 - chameleon's tongue can be as long as its body: They can shoot it out very quickly to catch insects.

3 - A hummingbird can fly backward: They are the only birds that can fly in all directions, even upside down!

4 - A lion's roar can be heard from as far as 5 miles away: That's louder than you might think!

5 - Snails can sleep for up to three years: That's a very long nap!

6 - starfish doesn't have blood or a brain: They have a nervous system but no central brain, and they use seawater instead of blood.

7 - Polar bear fur isn't white: Each hair is actually clear and hollow, reflecting light to make them appear white. Their skin underneath is black to absorb the sun's warmth.

These are just a few of the many amazing facts about animals! The animal kingdom is full of surprises.

Country Facts

Let's explore some fun facts about 7 different countries that you might find interesting!

1 - Brazil: This country has the Amazon rainforest, the largest rainforest in the world, full of colorful animals and plants.

2 - Madagascar: This island country is home to lemurs, funny-looking primates that are found nowhere else in the world.

3 - New Zealand: It's famous for its unique bird called the kiwi (which is also the name of a fuzzy fruit!) and its beautiful green landscapes.

4 - Peru: High in the Andes Mountains, you can find Machu Picchu, an ancient city built by the Incas.

5 - Japan: They invented origami, the art of folding paper into cool shapes, and they have super-fast bullet trains.

6 - Turkey: It's the only country that sits on two continents (Europe and Asia) and is famous for its hot air balloon rides over Cappadocia.

7 - Canada: It has more lakes than any other country, and it's where maple syrup, a yummy topping for pancakes, comes from!

We hope these snippets give you a fun glimpse into different countries around the world! Each one has its own unique and fascinating things to discover.