Wat is die verskil tussen ‘n desimale breuk en ‘n desimale getal? ‘n Desimale breuk verwys na ‘n desimale getal in basis 10. In Suid-Afrika gebruik ons ‘n komma as die desimale simbool. Die plekwaardes aan die regterkant van die komma is tiendes (t), honderdstes (h), duisendstes (d) en so aan. Wat is die grootste…
Wanneer jy hierdie video kyk sal jy sien dat mens aan heelgetalle kan dink soos die op en af beweging in ‘n hysbak. As jy op beweeg, is die teken positief en as jy af beweeg is die teken negatief. Wanneer ons die hysbak-voorbeeld 90 grade kloksgewys roteer, is dit soortgelyk aan ‘n getallelyn waar…
Koers is die vergelyking van 2 hoeveelhede van verskillende soorte. Byvoorbeeld, as jy hoenderfillette koop teen ‘n koers van R54/kg, beteken dit dat jy R54 moet betaal vir 1 kg hoenderfillette. Wanneer jy 2,5 kg hoenderfillette wil koop teen daardie prys, moet jy 2,5 keer die R54 betaal. Koers kan ook gebruik word om motors…
Wanneer hoeveelhede vermeerder word in ‘n gegewe verhouding, soos die vermeerdering van R16 in die verhouding 5:4, gebruik ons die metode om die hoeveelheid te deel deur die kleiner getal van die verhouding, in hierdie geval die 4, en dan te maal met die groter getal van die verhouding, in hierdie geval die 5. Dus,…
Verhouding en koers is baie dieselfde waar verhouding die vergelyking is van twee of meer hoeveelhede van dieselfde soort en koers die vergelyking is van twee hoeveelhede van verskillende soorte. ‘n Voorbeeld van koers is R49/100g (R49 per 100 gram). Hoe moet ons te werk gaan om iets in ‘n gegewe verhouding te verdeel? As…
Aangesien koers die vergelyking is van twee hoeveelhede van verskillende soorte, kan ons die beginsel van koers toepas om wisselkoers te bereken. Wisselkoers is wanneer jy een land se geld wil ruil of wissel vir ‘n ander land se geld. Byvoorbeeld, as daar ‘n wisselkoers is van R13,95 vir $1, kan jy R10 000 wissel…
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