Chapter 7: Numbers and variables

Calculate without using your calculator: write down your steps.

8 + 2 \cdot (12 - 8)^{​ 2 ​ ​} =

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Slide 1: Open question

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This lesson contains 20 slides, with interactive quizzes and text slides.

Items in this lesson

Calculate without using your calculator: write down your steps.

8 + 2 \cdot (12 - 8)^{​ 2 ​ ​} =

Slide 1 - Open question

Calculate without using your calculator: write down your steps.

- 2^{​ 4 ​ ​} =

Slide 2 - Open question

Calculate without using your calculator: write down your steps.

(- 2)^{​ 4 ​ ​} =

Slide 3 - Open question

Write as one power:

5^{​ 3 ​ ​} \cdot 5^{​ 6 ​ ​} =

Slide 4 - Open question

Write as one power:

i^{​ 3 ​ ​} \cdot i^{​ 8 ​ ​} =

Slide 5 - Open question

Write as short as possible

y = 3 x + 2 x^{​ 3 ​ ​} - 5 x^{​ 5 ​ ​} - 4 x^{​ 3 ​ ​} - 7

Slide 6 - Open question

Write as short as possible

3 \sqrt ​ 2 ​ ​ ​ - 5 \sqrt ​ 2 ​ ​ ​ + 10 \sqrt ​ 2 ​ ​ ​ =

Slide 7 - Open question

Write as short as possible

3 \sqrt ​ 5 ​ ​ ​ \cdot 2 \sqrt ​ 3 ​ ​ ​ =

Slide 8 - Open question

Write as short as possible

(2 \sqrt ​ 15 ​ ​ ​)^{​ 2 ​ ​} =

Slide 9 - Open question

Simplify

3 \sqrt ​ 40 ​ ​ ​ =

Slide 10 - Open question

Simplify

\sqrt ​ 24 ​ ​ ​ =

Slide 11 - Open question

calculate and simplify

\frac{​ 2 ​ ​}{​ 7 ​} + \frac{​ 3 ​ ​}{​ 2 1 ​} =

Slide 12 - Open question

Slide 13 - Slide

Slide 14 - Slide

calculate and simplify

\frac{​ 2 ​ ​}{​ 7 ​} - \frac{​ 3 ​ ​}{​ 2 1 ​} =

Slide 15 - Open question

calculate and simplify

\frac{​ 2 ​ ​}{​ 7 ​} \cdot \frac{​ 3 ​ ​}{​ 2 1 ​} =

Slide 16 - Open question

Slide 17 - Slide

calculate and simplify

1 \frac{​ 2 ​ ​}{​ 7 ​} \cdot \frac{​ 3 ​ ​}{​ 2 1 ​} =

Slide 18 - Open question

Slide 19 - Slide

Slide 20 - Slide

Chapter 7: Numbers and variables

Items in this lesson

Slide 1 - Open question

Slide 2 - Open question

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Slide 8 - Open question

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Slide 12 - Open question

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Slide 15 - Open question

Slide 16 - Open question

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