More on angles

Angles (Geometry 3_1)

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Angles

Angles

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Symmetry

Symmetry

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Volumes and surface areas

Volumes And Surface Area

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Surface area of a cylinder (a circular prism)

Areas

Shape and space: areas

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prime factors and product of primes

Numbers with an odd number of factors

We saw in the session that:

Prime numbers only have two factors {1 and itself}

eg

2 has {1,2}

3 has {1, 3}

5 has {1, 5}

Some numbers have an odd number of factors:

1 only has one factor {1}

4 has {1, 2, 4}

9 has three factors {1, 3, 9}

Can you find any other numbers with an odd number of factors?

What do these numbers have in common?

Odd, even, factors, multiples and primes

Here are the slides from the session:

Types Of Numbers

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Estimation and approximation

Here are the slides from the session:

Estimation & Approximation

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The 7 x table