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JSS1: MATHEMATICS - 1ST TERM
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Whole Numbers I | Week 13 Topics|1 Quiz
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Whole Numbers II | Week 21 Topic|1 Quiz
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Counting in Base Two | Week 34 Topics|1 Quiz
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Arithmetic Operations | Week 43 Topics|1 Quiz
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Lowest Common Multiple (LCM) | Week 52 Topics|1 Quiz
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Highest Common Factor | Week 61 Topic|1 Quiz
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Fraction | Week 77 Topics|1 Quiz
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Basic Operations with Fractions I | Week 83 Topics|1 Quiz
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Basic Operations with Fractions II | Week 91 Topic|1 Quiz
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Directed Numbers | Week 103 Topics|1 Quiz
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Estimation and Approximation I | Week 113 Topics|1 Quiz
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Estimation and Approximation II | Week 126 Topics|1 Quiz
Lesson 4,
Topic 2
In Progress
Binary Subtraction
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Topic Content:
- Rules of Binary Subtraction
- Worked Examples
Below are rules of binary subtraction:
0 – 0 = 0
1 – 0 = 1
1 - 1 = 0
10 – 1 = 1
11 – 1 = 10
Worked Example 4.2.1:
Subtract
a. 1011two from 10101two
b. 111010two – 11011two
a. 1011two from 10101two

Note: First column by the
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