Data Types

Lesson Instructions

Watch and follow the YouTube video, the lesson contains three parts:

Key Information and content - all you need to do here is watch and listen
Learning activity - this activity involves answering different questions about data types and identifying variables as key data types
Consolidation - these are past exam question and are for deliberate practice to check your understanding.

Data Types Full Lesson Video.mp4

Task - Data Types & Casting

Task - Exam Questions - Deliberate Practice

Exam Questions - Web

Mark Scheme

Question 1

ORIGIN

Data type: String
Reason: Consists of characters

Size

Data type: Integer
Reason: Consists of whole numbers

Question 2

A number can contain a fractional part
A whole number
(Not rounded off)

Question 3

(a)

Integer/Int
It is a whole number/you can't have half a word

(b)

String (name)
Real/Single/Double/Currency/Float/Decimal

Question 4

1 mark per row.

Gender - String
Dose - Real/Decimal
isPregnant - Boolean

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