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Year Four Mathematics

Numbers & the number system

 

  • Count in multiples of 6, 7, 9, 25 and 1000.
  • Find 1000 more or less than a given number.
  • Count backwards through zero to include negative numbers.
  • Recognise the place value of each digit in a four-digit number (THTU, HTU, TU, and U).
  • Order and compare numbers beyond 1000.
  • Identify, represent and estimate numbers using different representations.
  • Round any number to the nearest 10, 100 or 1000.
  • Solve number and practical problems that involve all of the above and with increasingly large positive numbers.
  • Read Roman numerals to 100 (I to C) and know that over time, the numeral system changed to include the concept of zero and place value.

 

Calculation - addition & subtraction

 

  • Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate.
  • Estimate and use inverse operations to check answers to a calculation.
  • Solve + and - two-step problems in contexts, deciding which operations and methods to use & why.

 

Calculation - multiplication & division

 

  • Recall multiplication and division facts up to 12 x 12.
  • Use place value, known and derived facts to multiply and divide mentally, including: multiplying by 0 and 1; dividing by 1; multiplying together three numbers.
  • Recognise and use factor pairs and commutativity in mental calculations.
  • Multiply two-digit and three-digit numbers by a one-digit number using formal written layout.
  • Solve problems involving multiplying and adding, including using the distributive law to multiply two digit numbers by one digit, integer scaling problems and harder correspondence problems such as n objects are connected to m objects.

 

Calculation - Fractions, Decimals & Percentages

  • Recognise and show using diagrams, families of common equivalent fractions
  • Count up and down in hundredths; recognise that hundredths arise when dividing an object by a hundred and dividing tenths by ten.
  • Solve problems involving increasingly harder fractions to calculate quantities, and fractions to divide quantities, including non-unit fractions where the answer is a whole number.
  • Add and subtract fractions with the same denominator
  • Recognise and write decimal equivalents of any number of tenths or hundredths.
  • Recognise & write decimal equivalents to 1/4; 1/2; 3/
  • Find the effect of dividing a one or two-digit number by 10 and 100, identifying the value of the digits in the answer as ones, tenths and hundredths
  • Round decimals with one decimal place to the nearest whole number
  • Compare numbers with the same number of decimal places up to two decimal places
  • Solve simple measure and money problems involving fractions and decimals to two decimal places.

 

Measures

 

  • Convert between different units of measure (e.g. kilometre to metre; hour to minute)
  • Measure and calculate the perimeter of a rectilinear figure (including squares) in centimetres and metres.
  • Find the area of rectilinear shapes by counting squares.
  • Estimate, compare and calculate different measures, including money in pounds and pence.
  • Read, write and convert time between analogue and digital 12 and 24-hour clocks.
  • Solve problems involving converting from hours to minutes; minutes to seconds; years to months; weeks to days.

 

Shape & Space

 

  • Compare and classify geometric shapes, including quadrilaterals and triangles, based on their properties and sizes
  • Identify acute and obtuse angles and compare and order angles up to two right angles by size
  • Identify lines of symmetry in 2-D shapes presented in different orientations
  • Complete a simple symmetric figure with respect to a specific line of symmetry.


Position and direction

 

  • Describe positions on a    2-D grid as coordinates in the first quadrant
  • Describe movements between positions as translations of a given unit to the left/right and up/down
  • Plot specified points and draw sides to complete a given polygon.

 

Statistics

 

  • Interpret and present discrete and continuous data using appropriate graphical methods, including bar charts and time graphs
  • Solve comparison, sum and difference problems using information presented in bar charts, pictograms, tables and other graphs.
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