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Transcript
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
Band
KS2
Assessment Objective Descriptors
Target
Grade
All skills listed in band 2,3,4,5 and 6 sections plus:
Year 7
Numbers
-
1
Higher
Attainers
-
Estimate calculations by rounding every number to 1 significant figure
Solve complex questions in context involving multiplication and division
Divide any number by a decimal between 0 and 1 and solve questions in context, e.g. money
Use calculations and reasoning to decide which item is the ‘best value’
Show that a negative power means the base and power are in the denominator
Show that a fractional power is a root
Simplify and/or find the value of numerical expressions involving positive and negative powers, raising a power to a
power, fractional powers (numerator = 1)
Find the LCM and HCF of two numbers using prime factor decomposition and a Venn diagram
Find the percentage of a quantity using a multiplier
Increase/decrease an amount using a multiplier
Algbra
-
Factorise complex algebraic expressions by taking out common factors
Show that two algebraic expressions are equivalent, e.g. ‘Argue mathematically that 2(x + 5) = 2x + 10’
Derive a simple formula, including those with squares, cubes and roots
Use substitution to find coordinates for simple quadratic functions, e.g. y = x2 + 4x - 1
Form and solve equations for problems involving:
 perimeter of a shape
 area of triangles, rectangles, parallelograms, trapeziums etc.
8+
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
 angles in triangles, quadrilaterals and other polygons)
Solve and inclusive inequality and show the solution set on a number line (e.g. –3 < 2x + 1 < 7)
Solve two linear inequalities and show both solution sets on the same number line to find the whole numbers that
satisfy both inequalities
Shapes
-
Identify the line of symmetry of a quadratic graph
Use the graph to find other coordinates on the line (that are not in the table), e.g. ‘Use the graph to find the values
of x when y = 2.5’
Understand proof that exterior angle of triangle = sum of interior angles at other two vertices
Find missing angles in multi-step or worded problems
Understand proof that angles in a triangle add up to 180°
All skills listed in band 3,4,5 and 6 sections plus:
Numbers
2
Core &
Extend
-
-
Rounding integers questions in context
Round decimals in context questions (all types)
Solve questions in context involving multiplication and division
Divide:
 2-, 3- and 4-digit numbers by a single digit number with remainders (written as decimal answers)
 3- and 4-digit numbers by a 2-digit number with remainders (written as decimal answers)
Divide:
 a decimal by an integer
 an integer by a decimal
 a decimal by a decimal
7
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
Use a ‘given’ multiplications/divisions to find other answers e.g. ‘Given 2.6 x 15.8 = 41.08, find 26 x 0.158’
Use a calculator to answer questions involving squares, cubes, roots, brackets and powers with all four operations
Show that any number raised to the power of zero equals 1
Simplify numerical expressions involving positive powers, raising a power to a power and power of zero
Use a calculator to find the value of a numerical expression involving positive powers, raising a power to a power
and power of zero
Use the given prime factor decompositions for two numbers to find the LCM and HCF using a Venn diagram
Order fractions, decimals and percentages
Find the amount a number has been increased/decreased by
Find the value of an amount after simple interest
Find the value of an amount after consecutive percentage increase/decrease
Use the formula for the nth term of an arithmetic sequence to generate the terms of a sequence
Algebra
-
-
Factorise algebraic expressions by taking out common factors
Simplify an expression using index laws
Substitute positive and negative numbers into formulae involving more than two letters (e.g. v = u + at)
Write expressions to solve problems representing a situation
Solve simple equations involving:

brackets, including with negatives, e.g. 2(x – 5) = 8 or 2(x + 3) = 4 – 3(x – 1)

fractional coefficients, e.g. x/2 = 5
Form and solve an equation to represent a worded problem
Write down the inclusive/exclusive inequality shown on a number line
Write down the whole numbers that satisfy an inequality
Solve a linear inequality (variable on both sides) and show the solution set on a number line
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
Shapes
-
Plot and draw straight line graphs of the form y = mx + c using table of values
Use the graph to find other coordinates on the line (that are not in the table), e.g. ‘Use the graph to find the value
of y when x = 2.5’
Find missing angles in a right-angled triangle using fact that ‘angles in a triangle add up to 180°’
Find missing angles in isosceles triangles using fact that ‘angles in a triangle add up to 180°’
Data Handling and Probability
-
Explain why a sample may not represent the whole population
All skills listed in band 4,5 and 6 sections plus:
Numbers
-
3
-
Solve addition/subtraction questions in context, including: multi-step problems, choosing the correct operation and
problems involving negative numbers
Write large integers to 1, 2 and 3 significant figures
Round decimals to a given number of significant figures
Multiply 3- and 4-digit numbers by a 3-digit number
Divide 2-, 3- and 4-digit numbers by a single digit number with remainders and 3- and 4-digit numbers by a 2-digit
number with remainders
Multiply:
 an integer and a decimal
 two decimals
 any number with decimal between 0 and 1
6
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
 questions in context, e.g. money
Use BIRDMAS to carry out calculations using the correct order of operations (Brackets, Indices, Roots, Divide,
Multiply, Add, Subtract)
Multiply the powers to raise a power to a power
Write any power of 10 in index form, including negative powers, and vice versa
Solve questions in context involving the LCM of two numbers
Identify all the common factors for two numbers and write down the HCF
Find the prime factor decomposition of positive integers and write answers as a product using index notation (e.g.
2x2 x 3 x 5)
Add/subtract/divide and multiply two fractions
Change an improper fraction to a mixed number
Change a mixed number to an improper fraction
Multiply a fraction by an integer (and vice versa)
Find a fraction of an amount in context
Change a fraction to a percentage, a percentage to a decimal and a decimal to a percentage
Increase/decrease a number by a percentage (without a calculator)
Recognise the difference between arithmetic and geometric sequences
Algebra
-
Factorise simple algebraic expressions by taking out common factors
Simplify expressions involving brackets
Simplify and expression using index laws
Substitute positive and negative numbers into expressions involving two letters with powers and brackets (e.g. y =
4x2 – 3x + 2, find y when x = 2)
Use substitution to find coordinates of a straight line graph
Solve simple equations involving:
 integer coefficients with unknowns on one side, e.g. 2x – 6 = 4
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
 integer coefficients with unknowns on both sides, e.g. 2x + 5 = 8x – 7
Solve a linear inequality (one variable) and show the solution set on a number line
Shapes
-
Find missing angles in a scalene triangle using fact that ‘angles in a triangle add up to 180°’
Find a missing angle using each angle fact:
 Angles on a straight line add up to 180°
 Vertically opposite angles are equal
 Alternate angles are equal
 Corresponding angles are equal
 Co-interior angles add up to 180°
Data Handling and Probability
-
Design a two-way table
Explain why a source of data may be biased
All skills listed in band 5 and 6 sections plus:
Number
4
Core
-
Add 2-, 3-, 4- and 5-digit integers with carrying and solve questions in context
Subtract 2-, 3-, 4- and 5-digit integers with carrying and solve questions in context
Compare negative integers
Add/subtract 1- and 2-digit negative integers
Round decimals to the nearest whole number (integer)
Round decimals to a given number of decimal places
5
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
-
Multiply 2-, 3- and 4-digit numbers by a 2-digit number
Divide 2-, 3- and 4-digit numbers by a single digit number without remainders and 3- and 4-digit numbers by a 2digit number without remainders
Solve questions in context (e.g. money) involving addition and subtraction
Show that:
 Square roots can be positive and negative
 Cube roots of a positive number are always positive
 Negative numbers cannot be square rooted, but can be cube rooted
Add the powers to multiply numbers written in index form
Subtract the powers to divide numbers written in index form
Write any number written in index form ‘longhand’, and vice versa
Identify all common multiples (up to a limit) for two numbers
Find the LCM of two numbers by listing systematically
List all factors of a number systematically
Recall all prime numbers up to 100
Find the prime factor decomposition of positive integers and write answers as an ordered list (e.g. 2 x 2 x 3 x 5)
Find a specific term in a sequence using the term-to-term rule
Write the term-to-term ‘rule’ for a sequence of diagrams
Compare two fractions by using a common denominator
Order fractions by using a common denominator
Change a decimal into a fraction (and vice versa)
Convert fractions into recurring decimals
Find a percentage of a quantity/measurement in context (without a calculator)
Algebra
-
Multiply a single term over a bracket,
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
Simplify an expression by cancelling
Simplify more complex expressions by collecting ‘families’
Substitute numbers into worded formulae
Use letters to represent variables in a formula
Substitute positive and negative numbers into expressions involving two letters only (e.g. y = 4x – 1, find y when x = 2)
Use function machines to find coordinates
Find the input of one-and two-stage function machine using inverse operations
Write down the single inequality shown on a number line
Data Handling and Probability
-
Complete a two-way table
Design a data collection sheet for grouped data
All skills listed in band 6 section (below) plus:
5
Support
Numbers
-
Write down the value of any digit in an integer number
Write the symbol < or > between two positive integer numbers
Write a list of positive integer numbers in order of size
Add 2- and 3-digit integers with no carrying
Subtract 2- and 3-digit integers with no carrying
Use multiplication facts to derive corresponding division facts
Multiply and divide any integer or decimal by a power of 10
Multiply 2- and 3-digit numbers by a single digit number
Add/subtract an integer and a decimal or two decimals
Use index notation for squares and cubes and recognise the square root sign
4
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
Recall the cube numbers up to 5 x 5 x 5 and corresponding cube roots
List multiples of a number systematically
Recall all prime numbers up to 50
Write the term-to-term ‘rule’ of a sequence in words
Find the next few terms in a sequence using the term-to -term rule
Simplify a fraction
Find equivalent fractions
Carry out simple fraction-to-decimal conversions (and vice versa)
Find a percentage of a number (without a calculator)
Express a number as a percentage of another number
Algebra
-
Simplify and expression by multiplying
Simplify an expression by collecting ‘families’,
Define and identify an ‘expression’, ‘term’ and ‘formula’
Show a single inequality on a number line (e.g. x < 4)
Solve simple linear equations (e.g. x+2=4)
Shapes
-
Plot coordinates in all four quadrants
Recognise right-angled, equilateral, isosceles and scalene triangles
Estimate the sizes of angles
Recognise and accurately draw examples of acute, obtuse, reflex and right angles
Data Handling and Probability
List possible combinations of colours, foods, types of object, menu options etc.,
Identify key points on a timetable
Work out the time taken for a journey from a timetable
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
6
Support
+
Design a data collection sheet for discrete data
Numbers
Algebra





Shapes
-
Add/subtract integers
Round integers to the: 10,100,1000
Recall all multiplication facts up to 12 x 12
Write down the value of any digit in a decimal number
Write the symbol < or > between two decimal numbers
Write a list of decimal numbers in order of size
Recall all square numbers up to 12 x 12 and corresponding square roots
List all three-digit numbers that can be made from three given integers
Recall all prime numbers up to 20
Write a fraction shown by the shaded part of a diagram
Shade a diagram to show a given fraction
Identify ‘families’ (i.e. like terms)
Interpret algebraic notation, e.g.
ab in place of a × b
3y in place of y + y + y and 3 × y
a² in place of a × a
a5 in place of a × a × a × a × a
a/b in place of a ÷ b
Identify an ‘expression’, ‘term’ and ‘formula’
Read scales on axes
Below
4
Department: Mathematics
Head of Department: Mr B Przystawski
Email: [email protected]
-
Plot coordinates in positive quadrants
Recognise the symbol for right– on each line)
Identify two lines that are perpendicular on a diagram
Describe angles as a measure of turning in clockwise/anticlockwise directions
Data Handling and Probability
Change a 12-hour clock time to 24-hour clock time and vice versa
Find a later/earlier time by adding a number of hours /minutes to 12- and 24-hour times