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Year 9 Number

Page history last edited by Steven Cooper 9 years, 1 month ago

 

 

Number Teaching notes
 No calculator 1-5.
 1.  4 rules of number. x ÷ by 2 digit numbers, by powers & multiples of 10.
 Estimation & approximation in x and ÷
 2.  Fractions: Equivalence, cancellation ''of'', mixed numbers.
 ADDITION & SUBTRACTION.
 MULTIPLICATION & DIVISION.
 3.  Decimals: fraction equivalent, + - x ÷ by integer.
  x and ÷ by  DECIMAL(1 d.p.) D.p and SIGNIFICANT FIGURES rounding.
 4.   %: as, ''of '', change,fraction, and decimal equivalents.
 5.  Factors, multiples and prime factors
 6.   Index notation, square, cube square and cube roots.

 STANDARD FORM (incl negative index)

Standard Form introduction.pptx    Standard Form with calculator.pptx

 7.  Use of the calculator for section 6  & for calculations involving fractions, % decimals, discounts,  VAT.
 COMPOUND and REVERSE %.
 8.  Mean speed and density.
 9.   SIMPLE INTEREST
 10.  Unitary Method

 11.  Ratio: equivalent fraction, change into given ratio, mixtures, scale 1:n.

Dividing into a given ratio.pptx

 

LEVEL 3 - 5 TOPICS LEVEL 6 TOPICS LEVEL 7 TOPICS LEVEL 8 TOPICS

 

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