GB1372163A - Teaching aid - Google Patents

Teaching aid

Info

Publication number
GB1372163A
GB1372163A GB1801873A GB1801873A GB1372163A GB 1372163 A GB1372163 A GB 1372163A GB 1801873 A GB1801873 A GB 1801873A GB 1801873 A GB1801873 A GB 1801873A GB 1372163 A GB1372163 A GB 1372163A
Authority
GB
United Kingdom
Prior art keywords
counters
pair
teaching aid
teaching
spaced
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
Application number
GB1801873A
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.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to GB1801873A priority Critical patent/GB1372163A/en
Publication of GB1372163A publication Critical patent/GB1372163A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)

Abstract

1372163 Educational appliances E KRAFT 13 April 1973 18018/73 Heading G5G A counter for use in the teaching of mathematics has its rim formed with a pair of spaced lugs L and a pair of spaced recesses R, has its top face formed with a projection P, and is provided with a cavity (C), Fig. 3 (not shown), in its bottom face, so that a plurality of counters can be interlocked one beside another in at least one row and also stacked one above the other in two or more layers. The counters are made of resiliently deformable material and may be colour coded.
GB1801873A 1973-04-13 1973-04-13 Teaching aid Expired GB1372163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1801873A GB1372163A (en) 1973-04-13 1973-04-13 Teaching aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1801873A GB1372163A (en) 1973-04-13 1973-04-13 Teaching aid

Publications (1)

Publication Number Publication Date
GB1372163A true GB1372163A (en) 1974-10-30

Family

ID=10105233

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1801873A Expired GB1372163A (en) 1973-04-13 1973-04-13 Teaching aid

Country Status (1)

Country Link
GB (1) GB1372163A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0118032A2 (en) * 1983-02-03 1984-09-12 Peter Haase Device for displaying the numerical build-up and size of masses
EP0713203A1 (en) * 1994-11-16 1996-05-22 Learning Resources, Inc. Assembly including interlocking components for teaching mathematical concepts

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0118032A2 (en) * 1983-02-03 1984-09-12 Peter Haase Device for displaying the numerical build-up and size of masses
EP0118032A3 (en) * 1983-02-03 1985-11-27 Peter Haase Device for displaying the numerical build-up and size of masses
EP0713203A1 (en) * 1994-11-16 1996-05-22 Learning Resources, Inc. Assembly including interlocking components for teaching mathematical concepts
US5597308A (en) * 1994-11-16 1997-01-28 Woldenberg; Richard Assembly including interlocking components for teaching mathematical concepts

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees