JPS63200867U - - Google Patents

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Publication number
JPS63200867U
JPS63200867U JP9093887U JP9093887U JPS63200867U JP S63200867 U JPS63200867 U JP S63200867U JP 9093887 U JP9093887 U JP 9093887U JP 9093887 U JP9093887 U JP 9093887U JP S63200867 U JPS63200867 U JP S63200867U
Authority
JP
Japan
Prior art keywords
triangular pyramids
pyramids
perspective
view
symmetry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9093887U
Other languages
English (en)
Other versions
JPH0617138Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9093887U priority Critical patent/JPH0617138Y2/ja
Publication of JPS63200867U publication Critical patent/JPS63200867U/ja
Application granted granted Critical
Publication of JPH0617138Y2 publication Critical patent/JPH0617138Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第１図はこの考案に係る数学用教具を作るため
に必要とする基本図形である立方体の斜視図、第
２図は同上の立方体から出来る四角錐の斜視図、
第３図は同上の四角錐から出来る甲、乙の三角錐
の斜視図、第４図は同上の三角錐の展開図、第５
図は同上の三角錐６個を連結して出来た教具の斜
視図、第６，７図は同上の教具を使用して出来た
第１の学習例の斜視図、第８図は第２の学習例の
斜視図、第９図は第３の学習例の斜視図、第１０
，１１図は第４の学習例の斜視図、第１２図は第
５の学習例の斜視図、第１３図は三角錐甲、乙を
連結して出来た別の教具の斜視図、第１４，１５
，１６図は第６の学習例の斜視図、第１７，１８
，１９図は第７の学習例の説明図である。第２０
図は従来の教具の斜視図である。 １…立方体、２…対角線、３，４，５…四角錐
、６…対称面、７，８…三角錐、９，９′…垂直
稜、甲、乙…鏡映対称の三角錐。

Claims (1)

    【実用新案登録請求の範囲】
  1. 立方体の１つの対角線を共有する３つの四角錐
    についてそれぞれその対称面で２分割して出来た
    鏡映対称の甲、乙１対の三角錐を３対計６個形成
    し、これらの三角錐を一連に甲、乙を隣接配置す
    ると共に隣接する甲、乙の三角錐を上記対称面で
    合体して四角錐を形成したときの垂直稜に相当す
    る該甲、乙の三角錐双方の垂直稜を互に折曲自在
    に連結したことを特徴とする数学用教具。
JP9093887U 1987-06-13 1987-06-13 数学用教具 Expired - Lifetime JPH0617138Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9093887U JPH0617138Y2 (ja) 1987-06-13 1987-06-13 数学用教具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9093887U JPH0617138Y2 (ja) 1987-06-13 1987-06-13 数学用教具

Publications (2)

Publication Number Publication Date
JPS63200867U true JPS63200867U (ja) 1988-12-23
JPH0617138Y2 JPH0617138Y2 (ja) 1994-05-02

Family

ID=30951267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9093887U Expired - Lifetime JPH0617138Y2 (ja) 1987-06-13 1987-06-13 数学用教具

Country Status (1)

Country Link
JP (1) JPH0617138Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009151119A1 (ja) 2008-06-14 2009-12-17 学校法人 東海大学 立体パズル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009151119A1 (ja) 2008-06-14 2009-12-17 学校法人 東海大学 立体パズル

Also Published As

Publication number Publication date
JPH0617138Y2 (ja) 1994-05-02

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