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# Math: Sierra Leone

Lesson 1: Number value part 1: place value: Engineering Term 2Lesson 2: Number value part 2: number line (a): Engineering Term 2Lesson 3: Number value part 3: number line (b): Engineering Term 2Lesson 4: Number value part 4: number line (c): Engineering Term 2Lesson 5: Number value part 5: properties of factors: Engineering Term 2Lesson 6: Number value part 6: concepts of factors: Engineering Term 2Lesson 7: Fractions part 1: Engineering Term 2Lesson 8: Fractions part 2: Engineering Term 2Lesson 9: Fractions part 3: Engineering Term 2Lesson 10: Decimals part 1: Multiplying decimals: Engineering Term 2Lesson 11: Decimals part 2: Dividing decimals: Engineering Term 2Lesson 12: Decimals and fractions: Engineering Term 2

Lesson 13: Percentages part 1: Engineering Term 2Lesson 14: Percentages part 2: Engineering Term 2Lesson 15: Ratios: Engineering Term 2Lesson 16: Everyday arithmetic part 1: Mathematical operations (a): Engineering Term 2Lesson 17: Everyday arithmetic part 2: Mathematical operations (b): Engineering Term 2Lesson 18: Everyday arithmetic part 3: Mathematical operations (c): Engineering Term 2Lesson 19: Everyday arithmetic part 4: Identity properties: Engineering Term 2Lesson 20: General algebra part 1: Sequences: Engineering Term 2Lesson 21: General algebra part 2: Using letters to represent numbers: Engineering Term 2Lesson 22: General algebra part 3: Equations (a): Engineering Term 2Lesson 23: General algebra part 4: Equations (b): Engineering Term 2Lesson 24: General algebra part 5: Manipulating formulas: Engineering Term 2