Yn Eich Pen The Price is Right Mae’r Pris yn Iawn

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Yn Eich Pen The Price is Right Mae’r Pris yn Iawn Starter Task (10 mins) – Individual work then answers as whole class. Practice and review calculating percentages mentally. http://www.transum.org/Software/SW/Starter_of_the_day/starter_September29.ASP

Faint o bres ydych chi’n ei arbed a faint ydi’r pris yn y sêl? The Price is Right Mae’r Pris yn Iawn Faint o bres ydych chi’n ei arbed a faint ydi’r pris yn y sêl? Arbed: 29% o £269.99 = £78.30 Pris yn y sêl: £269.99 - £78.30 = £191.69 Real life question to think about decreasing by a specified percentage

PDdD: Dysgu’n gyflym sut i gyfrif cynnydd a gostyngiad mewn canrannau. The Price is Right Mae’r Pris yn Iawn PDdD: Dysgu’n gyflym sut i gyfrif cynnydd a gostyngiad mewn canrannau. MLO

The Price is Right Mae’r Pris yn Iawn Mewn grwpiau, ewch ati i weld pa gyfrifiad sy’n gywir. Esboniwch pam mae’r cyfrifiad yn gweithio. Cynnydd o 23% ar ben 70 Investigation into multipliers when increasing by a percent. Encourage learners to think about where the ‘1.23’ has come from once they have identified the correct calculation.

The Price is Right Mae’r Pris yn Iawn Mewn grwpiau, ewch ati i weld pa gyfrifiad sy’n gywir. Esboniwch pam mae’r cyfrifiad yn gweithio. Gostyngiad o 23% oddi ar 70 Investigation into multipliers when decreasing by a percent. Encourage learners to think about where the ‘0.77’ has come from once they have identified the correct calculation.

The Price is Right Mae’r Pris yn Iawn Dewiswch y cyfrifiad ar gyfer y cwestiwn a ddangosir Cynnydd o 14% ar ben 68 practice

Dewiswch y cyfrifiad ar gyfer y cwestiwn a ddangosir The Price is Right Mae’r Pris yn Iawn Dewiswch y cyfrifiad ar gyfer y cwestiwn a ddangosir Gostyngiad o 37 % oddi ar 88 practice

The Price is Right Mae’r Pris yn Iawn TASG: Rhowch saeth i ddangos pa esboniad geiriol sy’n mynd gyda’r lluosydd degol. YMESTYNIAD: Rhowch saeth i ddangos pa luosydd ffracsiynol sy’n mynd gyda’r parau. Cynnydd o 40% Cynnydd o 50% Matching task to embed the learning. Extension – using fractional equivalences to the decimal multipliers. Gostyngiad o 20% Gostyngiad

Atebion: Gostyngiad o 30% Cynnydd o 20% Cynnydd o 50% Gostyngiad o 20% The Price is Right Mae’r Pris yn Iawn Gostyngiad o 30% Atebion: Cynnydd o 20% Cynnydd o 50% Gostyngiad o 20% Cynnydd o 5% Quick summary of answers for assessment and reflection purposes. Cynnydd o 40% Gostyngiad o 40%

Pa un fyddai’n well gennych chi? The Price is Right Mae’r Pris yn Iawn Pa un fyddai’n well gennych chi? 80% o £20 20% o £80 Plenary to encourage further thought about the way we calculate percentages. A ydi hyn yn digwydd bob amser? Ymchwiliwch i hyn erbyn y wers nesaf.