[tr][td][br][table][tr][td][size=85][left][/left][/size]Grades 5-8 (S), 9 (S)[br][br]Duration: 10-20 min[br][br]Tools: one Logifaces Set / class[br][br]Individual work[br][br]Keywords: Number systems[br][br][br][br][/td][td][img]https://www.geogebra.org/resource/atmvfmra/pKGw0fkjDWKZNxYT/material-atmvfmra.png[/img][/td][td][size=150][b][/b][center]Number System with Base 4[/center][center][b][/b][/center][/size][table][tr][td][table][tr][/tr][/table][center][/center][table][tr][/tr][/table] [img]https://www.geogebra.org/resource/jbweynwr/wCQNFpF4ut1fnYxb/material-jbweynwr.png[/img] [/td][/tr][tr][td][size=150][b][center]MATHS / Numbers[/center][/b][/size][/td][/tr][tr][td][br][/td][/tr][/table][/td][td][img]https://www.geogebra.org/resource/atmvfmra/pKGw0fkjDWKZNxYT/material-atmvfmra.png[/img][/td][td][img]https://www.geogebra.org/resource/mtuymvrb/w4RGGbmmPRjfnjNR/material-mtuymvrb.png[/img][/td][/tr][/table]__________________________________________________________________________________________________________________________________________[/td][/tr][tr][td][/td][/tr]

[size=50]Grade 5, Grade five, Grade 6, Grade six, Grade 7, Grade seven, Grade 8, Grade eight, Grade 9, Grade nine.[br][/size][size=50]Logifaces[br]Number systems, numbers[size=50][br][size=50][size=50]sequences, sequence[br][size=50]math, mathematics, exercise[br]Classroom activity[br]quiz question interactive[/size][/size][/size][/size][/size]