Creu canrannau efo 50%, 10%, 5%, 1%

Sut gallwch chi ddarganfod 19%?

• 10% + 10% + 1%

• 10% + 5% + 1% + 1% + 1% + 1%

• 10% - 1% + 5%

• 10% + 5% + 1% + 1%

• 10% + 10% + 1% + 1% + 1% + 1%

Sut gallwch chi ddarganfod 8% o rif?

• 5% + 1% + 1% + 1%

• 10% - 1%

• 10% - 1% + 5%

• 5% + 1%

• 10% - 5% + 1%

Sut gallwch chi ddarganfod 16% o rif?

• 10% + 10% - 1% - 1% - 1%

• 10% + 1% + 1% + 1%

• 10% + 1% + 1%

• 10% + 5% + 1%

• 10% + 10% - 5%

Sut gallwch chi ddarganfod 25% o rif?

• 50% - 10% - 5%

• 10% + 10% + 5%

• 50% - 10% - 1%

• 10% + 10% + 10% + 5%

• 10% + 10% + 1% + 1% + 1%

Tags

CCSS.3.OA.A.3

Sut gallwch chi ddarganfod 14% o rif?

• 10% + 1% + 1%

• 10% + 10% + 5% + 1%

• 10% + 5% + 1% + 1% + 1%

• 10% + 10% - 5%

• 10% + 1% + 1% + 1% + 1%

Sut gallwch chi ddarganfod 23% o rif?

• 10% + 10% + 1% + 1% + 1%

• 10% + 5% + 1% + 1%

• 10% + 10% + 5%

• 10% + 5% + 1% + 1% + 1% + 1%

• 10% + 10% + 10% - 5% - 10%

Tags

CCSS.6.RP.A.3C

Sut gallwch chi ddarganfod 35% o rif?

• 10% + 10% + 10% + 5%

• 10% + 10% + 10% + 10% - 1%

• 10% + 10% + 5% + 5% + 1%

• 10% + 10% + 10% + 10% + 5%

• 10% + 10% + 10% + 10% + 10% - 5%

Tags

CCSS.6.RP.A.3C

Sut gallwch chi ddarganfod 82% o rif?

• 50% + 10% + 10% + 10% + 5% + 1%

• 50% + 10% + 10% + 10% + 1% + 1%

• 50% + 10% + 10% - 1%

• 50% + 10% + 10% + 5% + 1% + 1%

• 50% + 10% + 10% - 5% - 1%

Sut gallwch chi ddarganfod 39% o rif?

TICIWCH POB OPSIWN

• 10% + 10% + 10% + 1% + 1% + 1%

• 10% + 10% + 10% + 10% - 1%

• 10% + 10% + 10% + 10% + 5% + 1%

• 10% + 10% + 10% + 5% + 1% + 1% + 1% + 1%

• 10% + 10% + 10% + 10% + 1% - 5%

Tags

CCSS.6.RP.A.3C

Sut gallwch chi ddarganfod 28% o rif?

TICIWCH POB OPSIWN

• 10% + 10% + 10% + 5% + 1% + 1%

• 10% + 10% + 10% - 1% - 1%

• 10% + 10% + 10% + 5% + 1%

• 10% + 10% + 5% + 1% + 1% + 1%

• 10% + 10% - 5% + 1%

Tags

CCSS.6.RP.A.3C