Expression — role?
A mathematical phrase combining numbers, variables, and operations.
Proportion — equation?
States two ratios are equal.
Angles around a point?
Sum to 360°.
Simplify — process?
Combine like terms or reduce expressions to simplest form.
Angles — sum in triangle?
180° for all triangles.
Expanding brackets — mechanism?
Distribute outside term across all inside terms.
Sequence — pattern?
Ordered list of numbers following a specific rule.
Sequence rule — purpose?
Defines how to find each term based on position n.
Percentage — meaning?
Number per hundred, expressed with % symbol.
Substitution — purpose?
Evaluate expressions or solve equations by replacing variables with numbers.
Vertical angles — property?
Opposite angles are equal when lines intersect.
Adding fractions — requirement?
Common denominator or find one before adding.
Fractions — representation?
Part of a whole, numerator over denominator.
Variables — definition?
Symbols representing unknowns or changing values.
Solving equations — goal?
Find the value of the variable that makes the equation true.
Perimeter — measure?
Total distance around a shape.
Ratio — comparison?
Expresses how many times one quantity contains another.
Area — measure?
Surface covered by a shape, in square units.
Place value — significance?
Value of a digit depending on its position.
Simplify fractions — method?
Divide numerator and denominator by their GCD.
Angles in parallel lines?
Corresponding and alternate angles are equal.
Convert fraction to percentage?
Divide numerator by denominator, then multiply by 100.
Decimals — value?
Numbers with a decimal point indicating parts of a whole.
Angles on a straight line?
Sum to 180°.
Teste tes connaissances avec un QCM de 12 questions sur Mastering Algebra, Geometry, and Ratios.
1. What is a variable in algebra?
2. What is the process of expanding brackets in algebra?
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