Year 10

Number bases

Year 10

Number bases

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Lesson details

Key learning points

  1. In this lesson, we will use decimal representation to explore the concept of place values in number bases and the values of digits. Then, we will explore the representation of binary values, and converting these back to decimal.

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3 Questions

Q1.
Anything that can be in two states is called...
Correct answer: Binary
Data
Halved
Representation
Q2.
Which of these is an example of data? Select two
Correct answer: 180 degree celsius
Correct answer: 200g
Place into a baking tin
Stir the mixture
Q3.
If you had 3 light bulbs, how many combinations of ON and OFF could you make?
3
4
6
Correct answer: 8

4 Questions

Q1.
True or False: Binary has a base of 2
False
Correct answer: True
Q2.
True or False: Decimal has 10 digits
False
Correct answer: True
Q3.
Convert this value from binary to decimal: 1111
14
Correct answer: 15
30
Q4.
Convert this value from decimal to binary: 32
000001
10000
Correct answer: 100000