[tr][td][br][table][tr][td][size=85][left][/left][/size]Grades 5-8 (S), 9-12 (S)[br][br]Duration: 10 minutes[br][br]Tools: one 9 pcs Set / 1-4 student[br][br]Individual/pair/group work[br][br]Keywords: Impossible[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]Block in the Middle[/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/r9p7rzph/xD5YIb5E8puFY8X3/material-r9p7rzph.png[/img] [img]https://www.geogebra.org/resource/pthmpfa9/QRqEGfVJichayvvY/material-pthmpfa9.png[/img][/td][/tr][tr][td][size=150][b][center]MATHS / Combinatorics / Proof[/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]

[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]interactive Classroom activity assignment[br]Impossible, Combinatorics[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]math, mathematic, mathematics, exercise[/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][/size][br][/size]