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Ysgol Gynradd

Gymraeg Pontybrenin

Ysgol Gynradd Gymraeg Pontybrenin

Pont Gadarn – Addysg Euraidd

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Rhifedd/ Numeracy

Yn ystod hanner tymor cyntaf, tymor yr Hydref, bydd ein gwersi Mathemateg yn rhoi ffocws ar y System Rhif: 

During the first half term of the Autumn term our Mathematics lessons will be focusing on the Number System:

 

  • Adio, tynnu, lluosi a rhannu / Addition, Subtraction, Multiplication and Division

 

  • Dysgu tablau 2, 5, 10, 3 a 4 / Learn times tables 2, 5, 10, 3 and 4      

                                             

  • Ysgrifennu rhifau hyd at deg mil / Writing numbers up to ten thousand                                                                                                                                   
  • Adio a thynnu 1, 10 a 100 at unrhyw rif / Adding and subtracting 1, 10 and 100 at any number

                                           

  • Amcangyfrif i'r 10 a'r 100 agosaf / Estimating to the nearest 10 and 100                                                                                                                                                                                                  
  • Cyfri ymlaen ac yn ol mewn camau sy'n ailadrodd / Count forwards and backwards in repetitive steps.                                                                                                                                                                                                                 
  •  Defnyddio arian i dalu am a chyfri newid hyd at £10 / Use money to pay for items and calculate change up to £10.                                     
  • Adnabod rhifau negyddol mewn cyd-destun tymheredd / To recognise negative numbers in the context of temperature.

 

  • Lluosi rhifau 2 digid gyda rhifau 1 digid / To multiply 2 digit numbers by 1 digit numbers.

 

  • Defnyddio strategaethau meddwl i luosi a rhannu rhifau 2 ddigid â rhif 1 digid / Multiply and divide 2 digit numbers with a single digit number.

 

  • Dechrau darganfod gweddill ar ôl rhannu / Use remainder after dividing.

 

Tablau Lluosi

 

Mae angen i'ch plentyn ddysgu eu tablau hyd at 12 x 12.  Mae'r plant yn defnyddio'u tablau yn ddyddiol o fewn y gwersi.  Y ffordd orau i'w dysgu yw i adrodd y tablau yn defnyddio'r patrwm yma:

 

"Un dau yw dau

   Dau dau yw pedwar

      Tri dau yw chwech.....

   

Gallwn wneud ymarferion ar y cyfrifiadur ar gemau fel 'J2e blast', 'Hit the Button' a 'Topmarks maths games'.

 

Times tables

 

Your child needs to learn their times table up to 12x12.  The pupils use their tables daily within lessons.  The best way to learn them is to chant them using the above pattern. 

 

They can also play games online such as 'J2e blast',  'Hit the button' and 'Topmarks math games'.

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