[tr][td][br][table][tr][td][size=85][left][/left][/size]Grades 5-8 (S), 9-12 (S)[br][br]Duration: 15-20 min[br][br]Tools: one Logifaces Set/class[br][br]Group work[br][br]Keywords: Logical thinking, Geometry[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][b][/b]Twenty Questions Sketch[/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/kzb8btnw/BFFApXvggX4MvbHe/material-kzb8btnw.png[/img] [img]https://www.geogebra.org/resource/pthmpfa9/QRqEGfVJichayvvY/material-pthmpfa9.png[/img] [img]https://www.geogebra.org/resource/dbct9vwj/KLNgJXXEi4ENaIQS/material-dbct9vwj.png[/img] [/td][/tr][tr][td][size=150][b][center]MATHS / Game / Logical Thinking[/center][/b][br][/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]

First, decide on a shape. Then hide the Logifaces block or your drawing and let someone answer 20 questions.[br]Find out, which piece was selected.[br][br]Find example questions for our example block below.

[size=50]Grade 5, Grade five, Grade 6, Grade six, Grade 7, Grade seven, Grade 8, Grade eight, Grade 9, Grade nine, Grade 10, Grade ten, Grade 11, Grade eleven, Grade 12, Grade twelve[br][/size][size=50]Logifaces[br]Logical thinking, Geometry, Game, logic[br]Classroom activity[br]Interactive visualisation[br][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50][size=50]math, mathematics, exercise[/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size]