AU166318B2 - Additive and subtractive number combination learning aid - Google Patents

Additive and subtractive number combination learning aid

Info

Publication number
AU166318B2
AU166318B2 AU18602/53A AU1860253A AU166318B2 AU 166318 B2 AU166318 B2 AU 166318B2 AU 18602/53 A AU18602/53 A AU 18602/53A AU 1860253 A AU1860253 A AU 1860253A AU 166318 B2 AU166318 B2 AU 166318B2
Authority
AU
Australia
Prior art keywords
additive
number combination
learning aid
combination learning
subtractive number
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.)
Expired - Lifetime
Application number
AU18602/53A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alexander Clive Tanner Of Borenore Form Part Ofthe Next Combination Tobe Inthe Stateof New South Wales Common Added Or Subtracted Andthe Columns Maybe Wealth Of Australia School Treacher Here Turned To Give Further Practice With Other
Original Assignee
Alexander Clive Tanner Of Borenore Form Part Ofthe Next Combination Tobe Inthe Stateof New South Wales Common Added Or Subtracted Andthe Columns Maybe Wealth Of Australia School Treacher Here Turned To Give Further Practice With Other
Filing date
Publication of AU166318B2 publication Critical patent/AU166318B2/en
Application filed by Alexander Clive Tanner Of Borenore Form Part Ofthe Next Combination Tobe Inthe Stateof New South Wales Common Added Or Subtracted Andthe Columns Maybe Wealth Of Australia School Treacher Here Turned To Give Further Practice With Other filed Critical Alexander Clive Tanner Of Borenore Form Part Ofthe Next Combination Tobe Inthe Stateof New South Wales Common Added Or Subtracted Andthe Columns Maybe Wealth Of Australia School Treacher Here Turned To Give Further Practice With Other
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU18602/53A 1953-05-27 Additive and subtractive number combination learning aid Expired - Lifetime AU166318B2 (en)

Publications (1)

Publication Number Publication Date
AU166318B2 true AU166318B2 (en)

Family

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