
Geirfa blwyddyn 7
Authored by T Wood
Mathematics
6th - 8th Grade
Used 1+ times

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7 questions
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1.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y geirfa i'r diffiniadau
Rhif sy'n lluosi'n union (ffitio) mewn i rif arall
Perimedr
System mesur sy'n defnyddio 10, 100 a 1000
Ffactor
Y lle tu mewn i siâp
Talgrynnu
Pellter o amgylch siâp
Unedau metric
Ysgrifennu rhif fel rhif agos mwy syml
Arwynebedd
2.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y geirfa i'r diffiniadau
Gwahaniaeth
Ateb swm adio
Eilrif
Rhif tabl 2 - gorffen efo 0/2/4/6/8
Cyfanswm
Y gwaith/camau gweithio mas
Dull
Ateb swm lluosi
Lluoswm
Faint sydd angen adio at un rhif i gael y rhif arall
3.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y geirfa i'r diffiniadau
Y gwahaniaeth rhwng gwerth mwyaf a lleiaf data
Cymedr
Y gwerth neu gwerthoedd fwyaf cyffredin
Modd
Yr ateb pan mae'r holl ddata yn cael ei adio a yna ei rannu gyda'r nifer
Amlder
Y gwerth canolog unwaith mae data wedi ei drefnu
Canolrif
Faint o weithiau mae rhywbeth yn ymddangos
Amrediad
4.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y geirfa i'r diffiniadau
Rhif cysefin
Ateb bras (agos) o ganlyniad i dalgrynnu
Lluosrif
Defnyddio 1 rhif i gynrychioli data. Mae mathau gwahanol, fel cymedr
Cyfartaledd
Rhif mewn tabl rhif arall
Rhif sgwâr
Rhif sy'n lluoswm dau rif hafal e.e. 3x3
Amcangyfrif
Rhif gyda dim ond dau ffactor (1 a'r rhif ei hun)
5.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y geirfa i'r diffiniadau
Rhif cymysg
Ffracsiwn sy'n hafal i ffracsiwn arall e.e 3/6 a 1/2
Ffracsiwn cywerth
Rhif efo rhan cyfan a than ffracsiynol e.e. 3½
Enwadur
Rhif ar ben ffracsiwn (beth sy'n cael ei rannu)
Degolyn
Rhif efo pwynt degol ynddo e.e. 3.4, 0.089
Rhifiadur
Rhif ar waelod ffracsiwn (beth sy'n cael ei rannu efo)
6.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y geirfa i'r diffiniadau
Chwarter
Y rhif sy'n sgwario (lluosi â'i hun) i roi y rhif yna
Allwedd
Gwybodaeth sy'n egluro graff neu ddiagram
Ail-isradd
Rhoi rhif mewn am lythyren algebra e.e. x = 8
Amnewid
Un rhan o bedwar
Mynegiad
Brawddeg algebra e.e. 4y - 5, 3x²
7.
MATCH QUESTION
1 min • 1 pt
Cysylltwch y geirfa i'r diffiniadau
Siâp cyfansawdd
Llinellau neu ochrau sy'n mynd i'r un cyfeiriad
Paralel
Siâp pedrochr efo 2 bâr o ochrau paralel
Perpendicwlar
Mynd i gyfeiriadau union groes
Sail
Siâp wedi ei greu gan fwy na un siâp
Paralelogram
Hyd gwaelod siâp (byddai'n cyffwrdd â'r llawr)
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