Calculations in Scratch

Choose two reasons why people like to use computers to work out complex calculations ...

• Can calculate very quickly

• Do not make mistakes with calculations

• More fun than using a calculator

• Computers are smarter than people

Choose two areas where computers carrying out complex calculations have helped people ...

• Predicting the weather

• Modelling disease outbreaks

• Playing video games

• Word processing a document

Which symbol is used for division in computers instead of ÷

• +

• /

• *

• -

Match each arithmetic operation to the correct symbol

• *

• multiplication

• +

• subtraction

• ^

• exponent

• -

• addition

• /

• division

Which type of variable would be used to store this data?

Lomond

• string

• integer

• real

• char

• Boolean

Which type of variable would be used to store this data?

12

• string

• integer

• real

• char

• Boolean

Which type of variable would be used to store this data?

3.14

• string

• integer

• real

• char

• Boolean

Which type of variable would be used to store this data?

V642 JCS

• string

• integer

• real

• char

• Boolean

Which type of variable would be used to store this data?

?

• string

• integer

• real

• char

• Boolean

Which type of variable would be used to store this data?

is today Friday?

• string

• integer

• real

• char

• Boolean