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Part 1: Adding integers
Part 2: Examples of adding integers
Part 3: Common mistakes made when adding integers

Part 1: Comparing like and unlike fractions
Part 2: Examples of comparing like and unlike fractions
Part 3: Common mistakes made when comparing fractions

Outcomes:

• Describe how the concept of density relates to an object's mass and volume.
• Explain how objects of similar mass can have differing volume, and how objects of similar volume can have differing mass.
• Explain why changing an object's mass or volume does not affect its density (ie, understand density as an intensive property).
• Measure the volume of an object by observing the amount of fluid it displaces.
• Identify an unknown material by calculating its density and comparing to a table of known densities.

Clarifying some points on evolution and intelligent design.

Fraction comparison with lowest common denominators.

This video explains how to order fractions by their size.

Overview of fertilisation and early human development. From conception leading to a zygote to blastocyst, embryo and fetus.

The division and multiplication of integers
Order of operations

Kuagiza Nambari Hasi

Ordering negative numbers: Khan Academy video with the audio translated into Kiswahili.

Mitosis is how cells divide! Learn what happens in all the phases of mitosis: prophase, metaphase, anaphase, and telophase.