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