Decimal numbers – Grade 8 and 9 Calculations
Do the calculations to practice different operations with decimal numbers.
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Desimale getalle – Graad 8 en 9 Somme
Doen die somme om verskillende bewerkings met desimale getalle in te oefen.
Integers – Grade 8 and 9 Calculations
In this video you will have the opportunity to do specific calculations and whereafter it will be explained. Do not hesitate to refer back to our previous videos on integers if you cannot remember how to do the calculations. Remember that you should always apply the order of operations (BODMAS).
Heelgetalle – Graad 8 en 9 Somme
In hierdie video het jy die geleentheid om spesifieke somme te doen en dan te sien hoe dit verduidelik word. Moenie huiwer om ons vorige videos oor heelgetalle te kyk as jy nie presies kan onthou hoe die somme werk nie. Onthou om altyd die volgorde van bewerkings (BODMAS) toe te pas.
Multiplication of decimal numbers
When you need to multiply decimal numbers by a multiple of 10 (e.g. 10, 100 and 1 000), do not just “move the comma”. First you have to understand what you are doing. E.g. 1,12 x 100. You can write 1,12 as 112 hundredths (as a common fraction) and when you multiply 112/100 by 100, the…
Vermenigvuldiging van desimale getalle
Wanneer jy desimale getalle met veelvoude van 10 moet maal (bv. 10, 100 en 1 000)|, moet nie net dadelik die “komma skuif” nie. Verstaan eers wat jy doen. B.v. 1,12 x 100. Jy kan 1,12 skryf as 112 honderdstes (as ‘n gewone breuk) en wanneer jy 112/100 met 100 maal, “kanselleer” die 100s mekaar uit….
