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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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Primairy 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 - 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.

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

3 - 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.

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

5 - Try your best.This emphasizes the importance of effort and personal growth, regardless of the outcome. It encourages a positive attitude towards challenges.

6 - 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.

7 - 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.

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 - A group of crows is called a murder: Isn't that a spooky name?

2 - Butterflies taste with their feet: They have taste sensors on their legs to find out if a leaf is good to eat.

3 - A giraffe has the same number of bones in its neck as a human: That's right, both have seven neck bones, but a giraffe's are much, much longer!

4 - The fingerprints of a koala are so close to humans' that they could confuse crime scene investigators!

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

6 - Sea otters hold hands while they sleep: This stops them from drifting apart in the ocean. How cute!

7 - Koalas sleep for about 18-22 hours a day: They spend most of their time resting after eating eucalyptus leaves.

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

2 - 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.

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

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 - 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.

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

7 - 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.

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.