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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 12,
Topic 1
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Rounding Decimals to the Nearest Tenth, Hundredth & Thousandth
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Topic Content:
- Rounding Decimals to the Nearest Tenth, Hundredth & Thousandth
Worked Example 12.1.1:
374 . 3547 correct to the nearest:
a) tenth
b) hundredth
c) thousandth.
Solution
The place value of each figure is shown below:

a. To round a decimal number to the nearest tenth (t) or 0.1 is the same as rounding to 1 d.p
= 374.4 to the nearest 0.1
b. To round a decimal number to the nearest hundredth (h) or 0.01 is the same as rounding to 2 d.p.
= 374.35 to the nearest 0.01
c. To round a decimal number to the nearest thousandth (th) or 0.001 is the same as rounding to 3 d.p.
= 374.355 to the nearest 0.001.