Inhoud Afspraken p. Symbolen ............................................................................................4 Rekenmachine ....................................................................................5
NL B gr. 5-8 lj. 3-6 gr. 7-8 lj. 5-6
Getallen Getallen schrijven en uitspreken . .......................................................6 Plaatswaarde ......................................................................................7 Kommagetallen (decimale breuken) ...................................................7 Soorten getallen ..................................................................................8 Romeinse cijfers . ................................................................................9
gr. 5-8 gr. 3-4 gr. 5-6 gr. 7-8 gr. 5-6
lj. 3-6 lj. 1-4 lj. 3-4 lj. 5-6 lj. 3-4
gr. 3-4 gr. 3-4 gr. 3-4 gr. 5-6 gr. 5-6 gr. 5-6 gr. 5-6 gr. 7-8 gr. 7-8
lj. 1-2 lj. 1-2 lj. 1-2 lj. 3-4 lj. 3-4 lj. 3-4 lj. 3-4 lj. 5-6 lj. 5-6
gr. 7-8 gr. 5-8 gr. 7-8 gr. 7-8 gr. 7-8 gr. 7-8 gr. 7-8
lj. 5-6 lj. 3-6 lj. 5-6 lj. 5-6 lj. 5-6 lj. 5-6 lj. 5-6
Bewerkingen Optellen . ...........................................................................................10 Aftrekken ...........................................................................................12 Je kunt meer dan je denkt met + en – ...............................................14 Vermenigvuldigen .............................................................................15 Delen .................................................................................................19 Je kunt meer dan je denkt met × en : . ..............................................23 Controleren .......................................................................................29 Voorrangsregels . ..............................................................................30 Afronden en schatten ........................................................................31
Breuken Verhoudingen ....................................................................................32 Wat zijn breuken? .............................................................................33 Breuken, procenten, kommagetallen ................................................34 Breuken gelijknamig maken . ............................................................35 Breuken optellen en aftrekken ..........................................................36 Breuken vermenigvuldigen ...............................................................37 Breuken delen ...................................................................................38
2
Spiekboekje rekenen
Spiekboekje rekenen 68.indd 2
© Schoolsupport – Ars Scribendi Uitgeverij
21/11/14 14:09