
Adolygu Fformiwlau
Quiz
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Medium
Sioned Roberts
Used 2+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dyma fformiwla sy'n cael ei ddefnyddio i gyfrifo cyfanswm cyflog briciwr.
c=1.1 (rh+21)
c= cyfanswm y gost (£)
R= Cyfradd yr awr (£)
h= nifer yr oriau
£18 yr awr yw cyfradd talu briciwr
Mae'n gwneud 9 awr o waith.
Faint o gyflog mae e'n ei gael i gyd gyda'i gilydd?
£400.80
£201.30
£389.40
£398.80
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mae’r fformiwla hon yn cael ei defnyddio i ganfod cyfanswm cost y trydan sy’n cael ei ddefnyddio mewn un chwarter (3 mis). t=nc + s
t = cyfanswm y gost (£)
n = nifer yr unedau a gafodd eu defnyddio
c = cost fesul uned (ceiniog)
s = tâl sefydlog bob blwyddyn (£)
Rydych wedi defnyddio 800 uned yn y chwarter hwn. Y gost fesul uned yw 10.35 ceiniog. Y tâl sefydlog bob blwyddyn yw £90. Beth yw cost y trydan ar gyfer y chwarter hwn?
230.05
£229.50
260.67
217.26
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mae'r plant yn gwerthu "Bunting" Nadolig yn y ffair aeaf. Mae’r fformiwla hon yn cael ei defnyddio i gyfrifo sawl darn o ffabrig triongl sy’n cael eu defnyddio ar gordyn
n = nifer y gleiniau (beads)
c = hyd y gadwen (cm)
b = hyd y glain (cm)
Mae un gadwen yn 208cm o hyd. Mae’r gleiniau sy’n cael eu defnyddio’n 12cm o hyd.
Sawl glain sy’n cael eu defnyddio ar y gadwen hon?
12.83
15.67
16.30
11.90
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Mae Martha am goginio cyw iâr yn y popty/ ffwrn.
Dyma'r fformiwla sydd angen i gyfrifo faint o amser sydd angen coginio'r cyw iâr.
a= (pm) + 20
P= Pwysau'r cyw iâr (kg)
M= Y munud sydd angen ar gyfer pob kilogram (munud)
A= amser i goginio (munudau)
Mae'r cyw iâr yn pwyso 1.75 kg ac mae angen 45 munud i bob kilogram.
Faint o amser mae'n cymryd i goginio'r cyw iâr?
98.75 munud
63 munud
75.8 munud
97.30 munud
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sawl teil sydd angen i lenwi wal 40 troedfedd sgwâr (ft²) gyda theiliau 12″ x 12"?
Y fformiwla ar gyfer cyfrifo hwn yw:
n=
n= nifer o deils
w= wal
t= arwynebedd un teil
22.2
11.11
13.50
14.02
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