Rounding (Grade 10 NSC Matric Mathematical Literacy): Flashcards
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Practise the cards
10 cards from this deck
Definition of rounding
Definition of rounding
Making numbers simpler by changing to nearest value
Purpose of rounding
Purpose of rounding
Make calculations easier & give practical answers
Rounding nearest 10: digits 1-4
Rounding nearest 10: digits 1-4
Round down to lower ten
Rounding nearest 10: digits 5-9
Rounding nearest 10: digits 5-9
Round up to higher ten
Context in rounding
Context in rounding
Situation determining whether to round up or down
SA cash rounding rule
SA cash rounding rule
Round to nearest 5c (no 1c, 2c coins)
SA card payment rounding
SA card payment rounding
Exact amount charged, no rounding
54 people, muffins in packs of 8: packs needed
54 people, muffins in packs of 8: packs needed
, round up to 7 packs
232 people, 50 per bus: buses needed
232 people, 50 per bus: buses needed
, round up to 5 buses
Most important rounding principle
Most important rounding principle
Context is key - situation determines decision