Teacher's Guide Module 1 - Maths Excellence
Teacher's Guide Module 1 - Maths Excellence
Teacher's Guide Module 1 - Maths Excellence
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LEARNING UNIT 3<br />
.......................ACTIVITY 3.1<br />
2. SUBTRACTION<br />
3.1 8 3.11 18<br />
3.2 28 3.12 14<br />
3.3 47 3.13 8<br />
3.4 40 3.14 12<br />
3.5 340 3.15 45<br />
3.6 3 580 3.16 450<br />
3.7 18 200 3.17 350<br />
3.8 18 050 3.18 25 000<br />
3.9 10 250 3.19 1 500<br />
3.10 8 250 3.20 250<br />
.......................ACTIVITY 3.2<br />
1.1<br />
1.2<br />
1.3<br />
1.4<br />
2.1 19 – 7 – 2 = 10<br />
2.2 21 – 11 – 4 = 6<br />
2.3 20 – 3 – 5 – 6 = 6<br />
.......................ACTIVITY 3.4<br />
1.1 6 550; 6 400; 6 250<br />
1.2 14 345; 14 330; 14 285<br />
1.3 122 500; 122 000; 120 500<br />
.......................ACTIVITY 3.5<br />
1. a) 40 b) 420 c) 1 780 d) 24 270<br />
3. less 40 because 19 + 1 = 20 and 21 – 1 = 20
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