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Lesson 6: Loop On

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Challenge focus: 26 - 30

Coding Concepts: The syntax of the simple times loop

Coding Adventure Part I

Key stage II

Class IV

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Lesson Overview

Challenge Range

Coding Concepts

Sub Concepts

Resources

26 - 30

Loops

  • The syntax of the simple loop(times)

Lesson Plan 27

Loop On

Coding Adventure Part I

Key stage II

Class IV

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Lesson Objectives

  • Explain why using loops in programming is more efficient.
  • Explain the importance of using indentation correctly.
  • Complete challenges 26 - 30

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Coding Adventure Part I

Key stage II

Class IV

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The syntax to define simple times loop

where :

  • ‘n’ refers to the number of times the loop repeats.
  • Before “Your code here”, you have to maintain indentation(spacing).

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1

n.times-> #loop header

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………..#Your code here #loop body

indentation

Coding Adventure Part I

Key stage II

Class IV

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The importance of the indentation

  • It improves code readability.
  • It is used to delimit blocks of code within it.
  • It determines the beginning and end of code blocks.

Coding Adventure Part I

Key stage II

Class IV

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Demo 1

Write a code to collect all the bananas for the given challenge 26.

Coding Adventure Part I

Key stage II

Class IV

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Demo 1 Solution

Loop body

Indentation

Loop repeats 3 times

Coding Adventure Part I

Key stage II

Class IV

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Activity 1

Identify the bugs in the code given right side and rewrite the code to collect the bananas (unplugged activity).

Coding Adventure Part I

Key stage II

Class IV

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Activity 1 Solution

No indentation

Used wrong function

1

#solution

2

4.times->

3

step 10

4

step -10

5

turn right

Coding Adventure Part I

Key stage II

Class IV

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Activity 2

  • Log into your CodeMonkey account.
  • Open Coding Adventure Part 1
  • Complete challenges 28 to 30. Challenge 26 & 27 have already been demonstrated to you earlier.

Coding Adventure Part I

Key stage II

Class IV

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Activity 2 solution

28

Coding Adventure Part I

Key stage II

Class IV

12 of 14

Activity 2 Solution

29

Coding Adventure Part I

Key stage II

Class IV

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Activity 2 Solution

30

Coding Adventure Part I

Key stage II

Class IV

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Key Points

  • A simple loop is a block of instructions that repeats a specific number of times.
  • A loop must have a loop header and a loop body part.
  • Indentation improves code readability.
  • Indentation is used to delimit blocks of code within it.
  • Indentation determines the beginning and end of code blocks.

Coding Adventure Part I

Key stage II

Class IV