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