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• GETIntPhaseMaths

This module and collection are included inLens: Siyavula: Mathematics (Gr. 4-6)
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Course by: Siyavula Uploaders. E-mail the author

# Om probleme op te los wat bewerkings met tydeenhede behels

Module by: Siyavula Uploaders. E-mail the author

## Memorandum

1. 4 h 40 min + 24 h + 16 h 30 = 49 h 10 min

2. 45 min × 7 = 315 min = 5 h 15 min

3. 08:05

4. 81 + 365 + 366 + 365 + 365 + 365 + 360 + 52 + 2 325 dae

5. 35 km in 20 min

× = 3 × 35 = 105 km/h

6. 2 × 110 km = 275 km

7.1 50 min

7.2 190 min = 3 h 10 min

7.3 Ja

7.4 10:00 en 13:15

7.5 18h00

### AKTIWITEIT: Om probleme op te los wat bewerkings met tydeenhede behels [LU 4.2]

Werk saam met ‘n maat. Lees elke probleem goed deur en los dit dan so netjies en akkuraat moontlik op:

1. Johan vertrek op Vrydag om 15:20 op ’n uitstappie. Hy arriveer daardie Sondag om 16:30 terug by die huis. Hoe lank was hy weg?

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2. Heleen oefen elke dag vir 45 min. viool. Hoeveel ure en minute oefen sy in een week?

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3. ’n Vliegtuig vertrek om 19:40 na Londen en land 12 h 25 min. later op Heathrow. Hoe laat land die vlug?

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4. Indien Marius op 11 Oktober 1962 gebore is en Jan op 21 Februarie 1969, hoeveel ouer is Marius as Jan?

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5. Indien dit my 20 min. neem om teen ’n konstante snelheid 35 km met my motor te dek, wat was my snelheid? (km / h)

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6. Indien mnr. Voges teen ’n konstante snelheid van 110 km / h reis, hoe ver sal hy ry in 2½ h?

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7. Bestudeer die TV-programrooster vir SABC3:

7.1 Hoeveel tyd word in totaal aan nuus afgestaan?________________________

7.2 Hoeveel tyd word aan internasionale sake afgestaan?________________

7.3 Is daar enige opvoedkundige programme? ____________________________

7.4 Hoe laat?___________________________________________________

7.4 Hoe lank saai SABC3 per dag uit.________________________

#### ASSESSERING DEUR OPVOEDER

Trek ‘n sirkel om kode van toepassing:

 AANTAL KORREK KODE 12 - 34 - 56 - 7 1234

## Assessering

Leeruitkomste 4:Die leerder is in staat om gepaste meeteenhede, instrumente en formules in ‘n verskeidenheid kontekste te gebruik.

Assesseringstandaard 4.2: Dit is duidelik wanneer die leerder probleme oplos wat berekeninge met en herleiding tussen geskikte tydeenhede behels, insluitend tydsones en –verskille.

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