Khan Academy
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Proportion validity example Ratios, proportions, units, and rates Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Ratios, proportions, units, and rates249 Reads
Recognizing divisibility Factors and multiples Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Factors and multiples263 Reads
Greatest common factor exercise Factors and multiples Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Factors and multiples251 Reads
Adding fractions with different signs Fractions Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Fractions215 Reads
Greatest common factor explained Factors and multiples Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Factors and multiples280 Reads
Divisibility tests for 2, 3, 4, 5, 6, 9, 10 Factors and multiples Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Factors and multiples252 Reads
Calculating the square footage of a house Measurement Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Measurement275 Reads
Number sets 1 Fractions Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Fractions244 Reads
Number sets 2 Fractions Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Fractions215 Reads
Hexadecimal number system Applying mathematical reasoning Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Applying mathematical reasoning278 Reads
Perimeter and unit conversion Ratios, proportions, units, and rates Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Ratios, proportions, units, and rates260 Reads
Negative exponents Exponents, radicals, and scientific notation Pre-Algebra Khan Academy
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domain:Mathematicssubject:Pre-algebratopic:Exponents, radicals, and scientific notation254 Reads