Results

Video 1: How to add decimals
Video 2: Examples of adding decimals
Video 3: Common mistakes made when adding decimals

Video 1: An introduction to adding decimals 
Video 2: Adding decimals with ones and tenths parts
Video 3: Adding decimals (tenths)
Video 4: Adding decimals (hundredths)
Video 5: Adding decimals with ones, tenths and hundredths
Online activity: This activity poses four questions where you are required to add different forms of decimals

Part 1: Applications of decimals
Part 2: Examples showing how the application of decimals is used in everyday life
Part 3: Common misconception when applying decimals

Video 1: Construction of a circle when its radius is known
Video 2: Examples of how to construct a circle
Video 3: Common mistakes made when constructing a circle

Video 1: How to construct a line segment
Video 2: Examples of constructing different line segments
Video 3: Common mistakes made when constructing a line segment

Video 1: What are perpendiculars and perpendicular bisectors and how to construct them
Video 2: How to draw a perpendicular and perpendicular bisector using a ruler and a compass
Video 3: Examples related to the construction of perpendiculars and perpendicular bisectors on a line segment
Video 4: Common mistakes made when constructing perpendiculars and perpendicular bisectors

Video 1: Explores the conversion of fractions to decimals: tenths, hundredths and thousandths
Video 2: Two examples of converting fractions to decimals

Video 1: Dividing a decimal by a whole number with fraction models
Video 2: Dividing a decimal by a whole number on the number line
Video 3: Example of dividing a decimal by a whole number
Online activity 1: Dividing decimals by whole numbers
Video 4: Visually dividing a whole number by a decimal
Online activity 2: Dividing whole numbers by decimals

These two short online tutorials discuss how the earth rotates and then the earth's revolutions.

In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.