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MULTIPLICATION AND DIVISION videos

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Short Multiplication
Meaning of multiplication in relation to addition. Method for short multiplication (2-digit number x 1-digit number).

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Short Division
Meaning of division with and without remainder. Methods for short division in two formats, 38÷8 and 8)38.

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Long Multiplication
Meaning of long multiplication through practical application. Method for long multiplication (2- or 3-digit number x 2- or 3-digit number).

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Long Division (A) Estimation
Meaning of estimation with examples of rounding up and rounding down. Methods for simpler long divisions using (“Estimate-Multiply-Subtract”).

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Long Division (B) Bringing Down
Long division of larger numbers with 'bring-downs' in the working.

FRACTIONS videos

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Basic Operations with Fractions
Meaning of basic vocabulary, what fractions represent, and equivalent fractions. Methods for converting improper fractions to mixed numbers, and reducing fractions.

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Addition of Fractions
Meaning of adding fractions with the same denominator. Meaning of adding fractions with different denominators. Methods for both of the above.

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Subtraction of Fractions
Meaning of subtraction, and relation to addition. Methods for subtraction, including the subtraction of mixed numbers and “borrowing from the whole number”.

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Multiplication of Fractions
Meaning of multiplication related to area. Methods for multiplying any combination of fractions, whole numbers, and mixed numbers.

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Division of Fractions
Basic meaning of division, and relation to multiplication. The method for division of fractions (“invert and multiply”).

BASIC ALGEBRA videos

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Substitution
The use of letters to represent unknown numbers. Methods for substitution, including negative numbers and fractions.

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Simplification
Combining like terms. Methods for simplification, including expanding brackets, and expressions with fractions.

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Equations
Meaning of solving an equation, using the example of a weighing scales. The transposition method for solving equations.

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