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Computing

Programming essentials in Scratch: part II

A learner has created the following piece of code to check if a password is correct or not. They want to improve it so that it will only give a maximum of three attempts before locking them out of the game for 60 seconds. What programming construct should they use for this? (Source: Scratchblocks)

When ‘number’ holds the value ‘3’

When ‘number’ holds the value ‘4’

A learner has created the following block of code, when will the loop terminate? (Source: Scratchblocks)

What will be the output of this program when it is executed? What will the sprite say? - (Source: Scratchblocks)

Breaking down a problem into small manageable chunks

Executing a sequence of instructions in any order

When you use a subroutine to write an algorithm

Which of these statements best describes decomposition

Which of these sets of instructions is not a subroutine? (Image source: Scratchblocks)

Where do you need to click in order to create your own subroutine in Scratch?

Once you have created a subroutine, what block do you need to use to execute the subroutine?

This lesson will soon be taken down.

Fly cat, Fly!

Lesson outcome