Cysylltwch y rhif i'r categori cywir
Heriau Rhif bl.7 #1

Quiz
•
Mathematics
•
7th Grade
•
Easy
T Wood
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MATCH QUESTION
15 mins • 1 pt
289
Rhif sgwâr
263
Rhif cysefin
304
Ffactor 3303
343
Rhif ciwb
329
Lluosrif 19
2.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Sawl rhif sgwâr sydd rhwng 500 a 600?
Answer explanation
529 (23²) a 576 (24²)
3.
REORDER QUESTION
15 mins • 1 pt
Rhowch y symiau yma yn y drefn esgynnol (LLEIAF I MWYAF)
10,000÷13
5⁴
2⁹
4.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
??? x 26 = 468
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Weithiau mae Ll.C.Ll y rhif yn lluoswm y rhifau.
E.e. Ll.C.Ll 3 a 5 yw 15 (3x5)
Ll.C.Ll 4 a 7 yw 28 (4x7)
Ond nid yw hyn POB tro yn digwydd e.e. Ll.C.Ll 4 a 6 yw 12 (dim 24).
Pryd ydy'r Ll.C.Ll yn lluoswm y rhifau?
Pan nad oes ffactor cyffredin (heblaw 1)
Dim ond pan mae'r ddau rif yn gysefin ydy hyn yn digwydd
Pan mae dau odrif
6.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Beth yw Ll.C.Ll 31 a 29 felly?
7.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Beth yw Ll.C.Ll 3, 13 a 7 felly?
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