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Year8 Number

Page history last edited by Steven Cooper 10 years, 4 months ago

     

Teaching Notes:

NUMBER
 1.  Four rules of number. DIVISION BY TWO DIGIT NUMBER. X & ÷ by powers of 10.

ESTIMATION & APPROXIMATION TO CHECK X & ÷

The Four rules of Number.pptx    

 2.  Factors, multiples, prime factors, index notation, square, cube, square & cube roots.

Basic Number Work.ppt

 3.  Directed number.
Directed Numbers yr8.pptx  

 4. Fractions: Equivalence, cancelling "of ", mixed numbers. + & - fractions (same denominator) and muliplication. [NOTE: No mixed numbers.]

Fractions & Ratios.ppt                                 Addition & Subtraction of Fractions.ppt   Multiplication & Division of fractions.ppt       Fraction of a quantity.ppt

 5. Decimals: fraction equivalent, +, -, x and ÷ by integer. Rounding off to d.p. 

Decimals Four rules of number.ppt

 6.  %: fraction & decimal equivalents, express as a %, % "of " & % CHANGE.

Finding the percentage of a Quantity non calculator.ppsx  

Percentage of Quantity with a Calculator Yr8.pptx

Compound Measures.ppt  
 7.  USE OF CALCULATOR : +, -, x, ÷, X2, X3 SQUARE & CUBE ROOTS, 1/X , BRACKETS. CALCULATIONS INVOLVING FRACTIONS, DECIMALS % (PROFIT, LOSS, DISCOUNT, VAT.)

 8.  UNITARY METHOD

Unitary Methods Direct proportion.pptx

Unitary Methods inverse proportion.pptx

 9.  RATIO: FRACTION EQUIVALENT, CHANGE IN A GIVEN RATIO, MIXTURES, SCALES 1:n.

Introduction to Ratio.pptx

Dividing into a given Ratio yr8.pptx

 10. MEAN SPEED.

Distance Speed Time.pptx

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