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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 - 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.

2 - 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.

3 - Sharing is caring.This teaches the importance of generosity, cooperation, and considering the needs of others. It's a foundational concept for building positive relationships.

4 - It's important to ask for help when you need it.This encourages seeking support, recognizing limitations, and understanding that it's a sign of strength, not weakness.

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

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

7 - 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.

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 - The heart of a shrimp is in its head: Imagine having your heart in a different place!

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

4 - Octopuses have three hearts: Two pump blood through the gills, and one pumps it to the rest of the body.

5 - Elephants are the only land animals that can't jump: Their legs are too stiff and strong.

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

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

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 - United States: It has many different landscapes, from sunny beaches in California to snowy mountains in Colorado, and it's the birthplace of Hollywood movies.

2 - South Africa: It has the 'Rainbow Nation' nickname because of its many different cultures, and you can see penguins on some of its beaches!

3 - Egypt: This ancient country has amazing pyramids and the long Nile River, where crocodiles and hippos live.

4 - Russia: It's the largest country in the world by land area and is home to the colorful St. Basil's Cathedral in Moscow.

5 - 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.

6 - China: The Great Wall of China is so long that it can be seen from space (though it's debated how easily)! They also invented paper and the compass.

7 - Switzerland: Famous for its delicious chocolate and cheese, and it has many tall, snowy mountains called the Alps.

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.