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Termyn 3 - Week 4<br />

26<br />

77<br />

Optelling en Aftrekking<br />

Wat is die verskil tussen die getalle? Tel vooruit.<br />

1 000 2 000 3 000 4 000 5 000<br />

2 600 2 700 2 800 2 900 3 000<br />

500 1 500 2 500 3 500 4 500<br />

109 1 109 2 109 3 109 4 109<br />

1 500 2 000 2 500 3 500 4 000<br />

Wat is die verskil tussen die getalle? Tel agteruit.<br />

1. Watter getal kom volgende?<br />

a. 1 000, 2 000, 3 000, b. 3 300, 3 400, 3 500,<br />

c. 689, 1 689, 2 689, d. 2 760, 3 760, 4 760,<br />

2. Voltooi die tabel:<br />

Getal Tel 100 by Trek 100 af Tel 1 000 by Trek 1 000 af<br />

3 212<br />

2 910<br />

3 106<br />

1 069<br />

2 989<br />

Voorbeelde:<br />

Voorbeeld 1:<br />

1 256 + 1 323<br />

1 000 200 50 6 +<br />

1 000 300 20 3<br />

= 1 000 + 1 000 + 200 + 300 + 50 + 20 + 6 + 3<br />

= 2 000 + 500 + 70 + 9<br />

= 2 579

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