CE MOCK REVISION

    Master this deck with 100 terms through effective study methods.

    copilot maths notes

    Created by @rice

    What is place value?

    Determines a digit's worth based on its position.

    What does the value of 7 in 47,305 represent?

    Indicates the quantity of thousands.

    What is the rule for rounding numbers?

    Decides whether to round up or down.

    What is 4,738 rounded to the nearest 100?

    4,700.

    What defines an integer?

    A whole number without fractions.

    What is a prime number?

    Has exactly two factors.

    How does a composite number differ from a prime number?

    Has more than two factors.

    What is a factor?

    Divides exactly into another number.

    What is a multiple?

    Appears in another number's times table.

    What is LCM?

    The smallest common multiple.

    What is HCF?

    The largest common factor.

    What does BIDMAS stand for?

    Order of operations in calculations.

    What is an estimate?

    A rough calculation using rounded numbers.

    Why estimate?

    To simplify calculations quickly.

    What is standard form?

    Written as a × 10ⁿ.

    What is the column addition rule?

    Lines up digits for addition.

    What is the column subtraction rule?

    Lines up digits for subtraction.

    What is the first step in long multiplication?

    Multiply the first digit.

    Why shift left in long multiplication?

    To account for place value.

    What are the steps of long division?

    Sequence used to divide numbers.

    What is a remainder?

    What is left after dividing.

    How to check division?

    Verify by multiplying the quotient.

    What is a fraction?

    A part of a whole.

    What is a numerator?

    The top number of a fraction.

    What is a denominator?

    The bottom number of a fraction.

    What are equivalent fractions?

    Fractions that represent the same value.

    How to simplify a fraction?

    Reduce to simplest form.

    How to convert a mixed number to improper?

    Multiply and add the numerator.

    How to convert an improper fraction to mixed?

    Divide the numerator by the denominator.

    How to add fractions with the same denominator?

    Add the numerators directly.

    How to add fractions with different denominators?

    Find a common denominator first.

    What is the rule for subtracting fractions?

    Use a common denominator.

    How to multiply fractions?

    Multiply numerators and denominators.

    How to divide fractions?

    Multiply by the reciprocal.

    What is a reciprocal?

    A number flipped upside down.

    What is a decimal?

    A number with a fractional part.

    How to convert a fraction to a decimal?

    Divide the numerator by the denominator.

    How to convert a decimal to a fraction?

    Express as a ratio of integers.

    How to convert a decimal to a percentage?

    Multiply by 100.

    How to convert a percentage to a decimal?

    Divide by 100.

    How to compare decimals?

    Look at the digits from left to right.

    What does percent mean?

    Represents a part per hundred.

    How to find 10% of a number?

    Divide by 10.

    How to find 1% of a number?

    Divide by 100.

    How to find any percentage of a number?

    Multiply the number by the percentage as a decimal.

    What is percentage increase?

    How to increase a number by a percent.

    What is percentage decrease?

    How to decrease a number by a percent.

    What is a multiplier?

    Used to apply a percentage change.

    What is a variable?

    A letter representing an unknown value.

    What is an expression?

    Combination of numbers, letters, and operations.

    What is an equation?

    Shows two expressions are equal.

    What are like terms?

    Terms with the same variable and power.

    How to simplify expressions?

    Combine like terms.

    How to expand 3(x + 4)?

    Remove brackets by distributing.

    How to factorise 6x + 12?

    Put the expression into brackets.

    What is the first step in solving equations?

    Isolate the variable.

    What is the solution to 3x = 12?

    x = 4.

    What is the solution to 3x + 5 = 20?

    x = 5.

    What is substitution?

    Replacing a variable with a number.

    What are angles on a straight line?

    Total 180 degrees.

    What are angles around a point?

    Total 360 degrees.

    What are angles in a triangle?

    Total 180 degrees.

    What are angles in a quadrilateral?

    Total 360 degrees.

    What are vertically opposite angles?

    Angles opposite each other when lines cross.

    What are alternate angles?

    Angles in a Z-shape on parallel lines.

    What are corresponding angles?

    Angles in an F-shape on parallel lines.

    What is an equilateral triangle?

    All sides and angles are equal.

    What is an isosceles triangle?

    Two equal sides and angles.

    What is a right-angled triangle?

    Contains one 90° angle.

    What is a square?

    Four equal sides and right angles.

    What is a rectangle?

    Opposite sides are equal with right angles.

    What is a parallelogram?

    Opposite sides are parallel.

    What is a rhombus?

    All sides are equal.

    What is a trapezium?

    One pair of parallel sides.

    What is the area of a rectangle?

    Length times width.

    What is the area of a triangle?

    Base times height divided by 2.

    What is the area of a parallelogram?

    Base times height.

    What is the area of a circle?

    π times radius squared.

    What is the circumference of a circle?

    2π times radius.

    What is the volume of a cuboid?

    Length times width times height.

    What is the perimeter of a rectangle?

    Sum of all sides.

    What is a radius?

    Distance from center to edge.

    What is a diameter?

    Distance across the circle through the center.

    What is a ratio?

    Comparison of two quantities.

    How to simplify a ratio?

    Divide both sides by a common factor.

    How to share in a ratio?

    Divide an amount according to the ratio.

    What is direct proportion?

    Values increase or decrease together.

    What is a scale factor?

    Number used to enlarge or reduce.

    What is the unitary method?

    Find the value of one unit then scale.

    What is the mean?

    Average of a set of numbers.

    What is the median?

    Middle value in ordered data.

    What is the mode?

    Most frequent value.

    What is the range?

    Difference between largest and smallest.

    What is the use of a bar chart?

    Displays categorical data.

    What is the use of a line graph?

    Shows trends over time.

    What is the use of a pie chart?

    Represents parts of a whole.

    What are the degrees in a circle?

    Total 360 degrees.

    How to calculate a pie chart angle?

    Proportion of the total multiplied by 360.

    What are coordinates?

    Pairs showing position on a grid.

    What is the horizontal axis?

    Also known as the x-axis.