Cover of Wiskunde basisschool en onderbouw

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Wiskunde basisschool en onderbouw

A gentle, continuous foundation from first arithmetic through algebra, geometry, probability, and proof.

Jaar 1 (6–7 jaar)

  1. 1 Tellen tot 20 9 solved exercises
  2. 2 Optellen: eerste stappen 9 solved exercises
  3. 3 Aftrekken: eerste stappen 9 solved exercises
  4. 4 Getallen tot 100 9 solved exercises
  5. 5 Vormen en ruimte 9 solved exercises
  6. 6 Meten en tijd 9 solved exercises

Jaar 2 (7–8 jaar)

  1. 7 Getallen tot 1000 10 solved exercises
  2. 8 Optellen met onthouden 10 solved exercises
  3. 9 Aftrekken 10 solved exercises
  4. 10 Vermenigvuldigen: eerste stappen 10 solved exercises
  5. 11 Vormen en lichamen 10 solved exercises
  6. 12 Geld en maten 10 solved exercises
  7. 13 Problemen oplossen 10 solved exercises

Jaar 3 (8–9 jaar)

  1. 14 Getallen tot 10 000 11 solved exercises
  2. 15 Optellen en aftrekken 11 solved exercises
  3. 16 Vermenigvuldigen 12 solved exercises
  4. 17 Verdelen en delen 11 solved exercises
  5. 18 Vormen en rechte hoeken 11 solved exercises
  6. 19 Meten 11 solved exercises
  7. 20 Problemen oplossen 11 solved exercises

Jaar 4 (9–10 jaar)

  1. 21 Grote getallen 11 solved exercises
  2. 22 Grotere getallen vermenigvuldigen 11 solved exercises
  3. 23 Delen 11 solved exercises
  4. 24 Eerste breuken 11 solved exercises
  5. 25 Tienden en honderdsten 11 solved exercises
  6. 26 Lijnen en veelhoeken 11 solved exercises
  7. 27 Symmetrie 11 solved exercises
  8. 28 Maten en omtrek 11 solved exercises

Jaar 5 (10–11 jaar)

  1. 29 Decimale getallen 11 solved exercises
  2. 30 Rekenen met decimalen 11 solved exercises
  3. 31 Breuken als getallen 11 solved exercises
  4. 32 Delen en veelvouden 11 solved exercises
  5. 33 Meetkundige constructies 11 solved exercises
  6. 34 Omtrek en oppervlakte 11 solved exercises
  7. 35 Kubussen en balken 10 solved exercises
  8. 36 Problemen en diagrammen 11 solved exercises

Jaar 6 (11–12 jaar)

  1. 37 Gehele getallen 12 solved exercises
  2. 38 Decimale getallen 12 solved exercises
  3. 39 Breuken: eerste stappen 12 solved exercises
  4. 40 Lijnen, cirkels en hoeken 12 solved exercises
  5. 41 Driehoeken en vierhoeken 12 solved exercises
  6. 42 Spiegeling in een as 12 solved exercises
  7. 43 Omtrek, oppervlakte, volume 12 solved exercises
  8. 44 Evenredigheid en gegevens 12 solved exercises

Jaar 7 (12–13 jaar)

  1. 45 Rekenvolgorde 11 solved exercises
  2. 46 Negatieve getallen 12 solved exercises
  3. 47 Breuken: vergelijken en optellen 12 solved exercises
  4. 48 Lettervormen 11 solved exercises
  5. 49 Evenredigheid 11 solved exercises
  6. 50 Gegevens organiseren 11 solved exercises
  7. 51 Driehoeken en hoeken 11 solved exercises
  8. 52 Centrale spiegeling en parallellogrammen 11 solved exercises
  9. 53 Oppervlakten en volumes 12 solved exercises

Jaar 8 (13–14 jaar)

  1. 54 Negatieve getallen vermenigvuldigen 11 solved exercises
  2. 55 Breuken: alle vier de bewerkingen 12 solved exercises
  3. 56 Machten 11 solved exercises
  4. 57 Letterrekenen en vergelijkingen 12 solved exercises
  5. 58 De stelling van Pythagoras 11 solved exercises
  6. 59 Middens en evenwijdigen 9 solved exercises
  7. 60 De rechthoekige driehoek en de cosinus 11 solved exercises
  8. 61 Evenredigheid, snelheid en gemiddelden 11 solved exercises
  9. 62 Piramide en kegel 11 solved exercises

Jaar 9 (14–15 jaar)

  1. 63 Breuken en machten 10 solved exercises
  2. 64 Rekenkunde: delers en priemgetallen 10 solved exercises
  3. 65 Vierkantswortels 10 solved exercises
  4. 66 Algebra en vergelijkingen 10 solved exercises
  5. 67 Lineaire en affiene functies 10 solved exercises
  6. 68 De stelling van Thales 9 solved exercises
  7. 69 Goniometrie in de rechthoekige driehoek 9 solved exercises
  8. 70 Lichamen en volumes 9 solved exercises
  9. 71 Statistiek en kansrekening 9 solved exercises

71 chapters — 71 online so far, and more publishing regularly. The complete book is already available as a free PDF you can read online.