
Perimedr
Authored by Emlyn Hopkin
Mathematics
9th Grade
Used 24+ times

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9 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Beth yw perimedr y petryal isod?
(a)
Answer explanation
8 + 4 + 8 + 4
= 24 cm
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Beth yw perimedr y petryal canlynol?
(a)
Answer explanation
26 + 15 + 26 + 15
= 82 cm
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Beth yw perimedr y petryal canlynol?
(a)
Answer explanation
0.8 + 1.4 + 0.8 + 1.4
= 4.4 cm
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Beth yw perimedr y petryal canlynol?
(a)
Answer explanation
16 mm = 1.6 cm
Felly
1.6 + 8 + 1.6 + 8
= 19.2 cm
8 cm = 80mm
80 + 16 + 80 + 16
= 192 mm
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Beth yw perimedr y sgwar canlynol?
(a)
Answer explanation
10 + 10 + 10 + 10
= 40 m
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Beth yw perimedr y sgwar canlynol?
(a)
Answer explanation
0.35 + 0.35 + 0.35 + 0.35
= 1.4 km
7.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
Beth yw perimedr y siap canlynol?
(a)
Answer explanation
4 + 4 + 6 + 5 + 10 + 9
38 cm
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