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This online activity provides exercises on dividing decimals by decimals.

A force diagram is a useful tool to help us visualise forces acting on an object and gives us informa- tion about the object’s motion. We often use force diagrams when solving calculations involving the forces acting on an object.

• Predict, qualitatively, how an external force will affect the speed and direction of an object's motion.
• Explain the effects with the help of a free body diagram.
• Use free body diagrams to draw position, velocity, acceleration and force graphs and vice versa.
• Explain how the graphs relate to one another.
• Given a scenario or a graph, sketch all four graphs.

Video 1: How to create a line graph based on data
Video 2: Examples of different line graphs
Video 3: Further examples of line graphs

This online activity provides you with exercises on ordering decimals.

This video explains how to plot straight line graphs.

This video explores what recurring decimals are and how to write them as fractions.

This YouTube video describes  what recurring decimals are, and how to write them as fractions.

This is a document from Fuseschool- global education which simplifies the study of recurring decimals in a simple step.

This YouTube video explains how river basins are formed.