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Datrys problemau

Datrys problemau. G E S A P1 Tach 2013 Cwestiwn 2d. G Beth ydw i ’n gwybod ?. £8 i wario 60c am un pen ysgrifennu 80c yn weddill ar ol prynu y pennau ysgrifennu. E Beth ydw i eisiau ?. £8 – gweddill o 80c Cyfanswm cost pennau ysgrifennu : £8 - £0.80 = £7.20

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Datrys problemau

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  1. Datrysproblemau GESA P1 Tach 2013 Cwestiwn 2d

  2. GBeth ydwi’ngwybod ? £8 iwario 60c am un pen ysgrifennu 80c ynweddillarolprynu y pennauysgrifennu.

  3. EBeth ydwieisiau ? £8 – gweddill o 80c Cyfanswm cost pennauysgrifennu: £8 - £0.80 = £7.20 Sawl pen ysgrifennusyddyncostio 60c yr un syddyngreucyfanswm o £7.20 ?

  4. SSutydwi’ngwneudhyn ? Newid i’r un unedau: £7.20 = 720c Felly sawl 60c syddynffitiomewn 720c ? 720 ÷ 60 =

  5. ABeth yw’rateb ? Felly brynodd Megan 12 pen ysgrifennu. Gwirio: Gweithio am nol: 12 x 60c = 720c 720c + 80c = 800c 800c = £8.00

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