Key to the Exercise of Unit 4a

Exercise 1

1. 50 dec a deugeint
2. 101 cant ac un/p>
3. 470 deng a thrugeint a phetwar cant
4. 6666 chue a thri ugeint a chuechant a chue mil
5. 70 deng a thrugeint
6. 126 chue a chue ugeyn
7. 30 dec ar ugeynt
8. 24 pedeyr ar ugeynt
9. 36 vn ar bymthec ar vgeynt
10. 154 pedeirdeg a seithugeint

(The last example is tricky, because it uses an alternate form of 14.)

Exercise 2

1. 25 pump ar hugein
2. 33 tri/teir a deg ac ugein
3. 38 deunaw ar hugein
4. 55 pymtheg ar deu ugein/deugein
5. 61 un ar tri ugein/trugein
6. 99 pedwar/pedeir a phymtheg a pedwar ugein
7. 116 un a phymtheg a chant
8. 124 pedwar/pedeir ar chwe ugein
9. 549 naw a deu ugein a phum cant
10. or: naw a seith ugein a pedwar cant

Exercise 3

1. ci
• pedwar ci ar bymtheg
• ugein nghi
• pum nghi ar hugein
• deu gi ar deugein
• can nghi
• tri chi ar gan
• chwe chi ar chwe ugein
2. cath
• pedeir cath ar bymtheg
• ungein nghath
• pum nghath ar hugein
• dwy gath ar deugein
• can nghath
• teir cath ar gan
• chwe chath ar chwe ugein
3. twrth
• pedwar twrch ar bymtheg
• ugein nhwrch
• pum nhwrch ar hugein
• deu dwrch ar deugein
• can nhwrch
• tri thwrch ar gan
• chwe thwrch ar chwe ugein
4. pont
• pedeir pont ar bymtheg
• ugein mhont
• pum mhont ar hugein
• dwy bont ar deugein
• can mhont
• teir pont ar gan
• chwe phont ar chwe ugein

Exercise 4

1. two boys
• deu vab
• deu o veibyawn
2. sixteen stones
• un maen ar bymtheg
• un ar bymtheg o veini
3. twenty four trees
• pedeir coeden ar hugein
• pedeir ar hugein o goed
4. seven strong stags
• seith ngharw cryv
• seith o geirw cryvyon
5. three kings
• tri brenhin
• tri o brenhinedd
6. a thousand flowers
• mil vlodyn
• mil o vlodeu
7. thirteen white swans
• tri alarch gwyn ar ddeg*
• tri ar ddeg o eleirch gwynnyon
• (* My instinct tells me that this is less likely than the alternate form, but I can't find a specific reference discussing this.)
8. ten long fingers
• deg mys hir
• deg o vyssedd hiryon
9. a hundred and one words
• un geir ar gan
• un ar gan o eiryeu
10. seventy red cloaks
• deg llenn goch
• deg o lenni cochyon

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