The cards Question What does the distributive law say? Tap to flip Answer Multiplying a sum is the same as multiplying each addend and summing the results. Question Which model can be used to understand the distributive law? Tap to flip Answer An area model. Question Is 4(3 + 7) equivalent to 12 + 7? Tap to flip Answer No. Every term in the bracket must be multiplied by the term outside. Question What is the additive inverse of a number? Tap to flip Answer The number that, added to the original number, gives 0. Question What is the reciprocal of a non-zero number? Tap to flip Answer Its multiplicative inverse: the number it multiplies by to give 1. Question Must you always expand brackets before solving an equation? Tap to flip Answer No. Depending on the factors and multiples, it may be more efficient not to expand first. Question When solving an equation with a bracket, when is division likely to be simplest? Tap to flip Answer When the term outside the bracket is a factor of every other term. Question What is a binomial? Tap to flip Answer An algebraic expression representing the sum or difference of exactly two unlike terms. Question Which law can be used to find the product of two binomials? Tap to flip Answer The distributive law. Question When multiplying two binomials, which terms must be multiplied together? Tap to flip Answer Both terms in one bracket must be multiplied by both terms in the second. Question Is 12 × 34 just 10 × 30 + 2 × 4? Tap to flip Answer No, that misses out partial products. Question What is a partial product? Tap to flip Answer Any of the multiplication results that lead up to an overall multiplication result. Question How many terms does the product of two binomials often produce? Tap to flip Answer Three. Question In a difference of two squares, what is the coefficient of the linear term? Tap to flip Answer Zero. Question Is squaring a binomial the same as squaring each term? Tap to flip Answer No. Question Which property lets the product of 2x and 3x be thought of as 2 × 3 × x × x? Tap to flip Answer Multiplication is commutative. Question What does an equation show? Tap to flip Answer Two expressions that are equal to each other. Question When adding or subtracting, when may terms be combined? Tap to flip Answer Only if the order of each variable in each term is the same. Question If a + b = c, what does a equal? Tap to flip Answer c − b Question How else can a = c − b be written? Tap to flip Answer a = c + (−b) Question Why can't you just swap terms around when rearranging? Tap to flip Answer Subtraction and division are not commutative, so the order matters. Question In algebra, what is a product? Tap to flip Answer The result of two or more terms multiplied together. Question If ab = c, what does a equal? Tap to flip Answer c/b Question How else can a = c/b be written? Tap to flip Answer a = c × 1/b Question What is a formula? Tap to flip Answer A rule linking sets of physical variables in context. Question What is the plural of formula? Tap to flip Answer Formulae. Question What is the subject of an equation or formula? Tap to flip Answer A variable expressed in terms of other variables. Question What exponent and coefficient should the subject of a formula have? Tap to flip Answer An exponent of 1 and a coefficient of 1. Question Is the subject of a formula just its first term? Tap to flip Answer No. Question Changing the subject can be thought of as what? Tap to flip Answer Solving an equation in one unknown. Question During a rearrangement, what stays true of the two sides of the equals sign? Tap to flip Answer They remain equal. Question With more complex formulae, what must you do when changing the subject? Tap to flip Answer Apply the inverse operations in the right order. Question When changing the subject, what do you find instead of a value? Tap to flip Answer An expression that the unknown is equal to. Question When may rearranging a formula be beneficial? Tap to flip Answer When what you wish to calculate is not the subject. Question Do the original and rearranged forms of a formula give the same result when evaluated? Tap to flip Answer Yes, both forms give the same result. Question Is it possible to evaluate a formula without changing the subject? Tap to flip Answer Yes. Question When subtracting an expression, what do pupils often forget? Tap to flip Answer To subtract both terms of the second expression. Question How can a subtraction be rewritten to make it easier? Tap to flip Answer As an addition of the additive inverse. Where this deck sits in the curriculum Curriculum National Curriculum for England Stage Key stage 3 (Years 7–9) Course KS3 Maths Unit Expressions and formulae England's National Curriculum sets what is taught; the units and their order are Oak National Academy's. Flash Feed is not affiliated with Oak or any exam board.
How this deck was checked On 2026-11-03, every card was compared with its source: the lessons of Oak National Academy, a public body funded by England's Department for Education that publishes lessons for the national curriculum. Because the cards come from those lessons, no second source was sought. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.
Sources Total: 12 · primary: 12 · second publisher: 0
Show the other sources (10) Primary source Evaluating expressions with and without changing the subject (opens in a new tab) (Oak National Academy, thenational.academy) Primary source Problem solving with expressions and formulae (opens in a new tab) (Oak National Academy, thenational.academy) Primary source Checking and securing solving linear equations (opens in a new tab) (Oak National Academy, thenational.academy) Primary source The product of two binomials (opens in a new tab) (Oak National Academy, thenational.academy) Primary source Difference of two squares (opens in a new tab) (Oak National Academy, thenational.academy) Primary source More complex binomial products (opens in a new tab) (Oak National Academy, thenational.academy) Primary source Additive relationships (opens in a new tab) (Oak National Academy, thenational.academy) Primary source Multiplicative relationships between terms (opens in a new tab) (Oak National Academy, thenational.academy) Primary source Changing the subject with simple formula (opens in a new tab) (Oak National Academy, thenational.academy) Primary source Changing the subject with more complex formula (opens in a new tab) (Oak National Academy, thenational.academy) Found a mistake? Write to support@flashfeed.app .
A Maths lesson by Oak National Academy licensed under Open Government Licence (OGL)
Flash Feed