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Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 8128407 | Method and system for teaching math A method and device for teaching mathematics comprises a plurality of elongated members used to teach mathematics concepts. Each of the plurality of elongated members represent an associated numerical value. At least some of the plurality of elongated members are of... | 03/06/2012 |
| 7695283 | Visual arithmetic teaching device An educational device is provided which can be used to teach arithmetic. The educational device comprises a track having a scale on an outer surface of said track. The scale is comprised of a plurality of evenly spaced apart unit markings, the markings being spaced ... | 04/13/2010 |
| 7364431 | Educational game A multiplication game consisting of a perforated game board in which the assemblage of perforations forms a rectangular matrix. In a horizontal row of numerals printed on the rim of the board the numerals increase evenly in value from one end to the other end, and b... | 04/29/2008 |
| 7354272 | Manipulative tile as learning tool An arithmetical manipulative device comprises a plurality of tiles, each tile having an upper surface, a lower surface, a first end and a second end, and a connector member for connecting the first end of one tile to the second end of a neighboring tile. The connect... | 04/08/2008 |
| 7309233 | System and method of teaching and learning mathematics Numero Cubes and the Whole Number System are disclosed. In one embodiment, the system may comprise cubes, pegs, magnets, dividers, shafts, and a number placement panel. The shafts may comprise individual marks representing the base ten number system. The system may ... | 12/18/2007 |
| 7104799 | Mathematics teaching tool A mathematics education apparatus comprises a base array. The base array includes a plurality of rows, with each row having ten receiving positions. The mathematics education device further comprises a plurality of number pieces that each correspond to a number, inc... | 09/12/2006 |
| 7059861 | Math manipulative educational learning game The present invention relates to a math manipulative educational learning game in which a plurality of rods are provided for use in various manipulative games designed to teach rudimentary arithmetic skills. In the preferred embodiment, the rods are of various lengt... | 06/13/2006 |
| 7052279 | Ten-frame subtraction system A ten-frame subtraction system for teaching subtraction skills of the present invention preferably includes at least one card and at least one tile. The card has a positive numerical representation thereon represented by a corresponding quantity of graphical represe... | 05/30/2006 |
| 7018210 | Method and apparatus for teaching and learning reading A method and apparatus for teaching and learning reading is disclosed. The apparatus is a group of universally connectable blocks and a primer having intelligible reading units composed of reading indicia. Each block has at least three faces, and each face of a give... | 03/28/2006 |
| 7014468 | Visual teaching aid An aid for teach addition and subtraction comprises a single counting member representing a single digit, and consecutive sets of counting members progressing numerically from two members to ten members. The members of each set are interconnected for pivotal displac... | 03/21/2006 |
| 6926530 | Game apparatuses and methods for use in teaching the addition and subtraction of positive and negative numbers A game apparatus and a method for assisting in teaching the addition and subtraction of positive and, especially, negative numbers, are based on the Null Theory of Adding and Subtracting Positive and Negative Numbers. The apparatus comprises (a) a plurality of posit... | 08/09/2005 |
| 6813841 | Measuring device for teaching incremental measurements The present invention provides a measuring device for teaching incremental measurements to a user of the measuring device. The measuring device comprises a fastener and a plurality of rulers containing graduated markings and rotatably attached to the fastener. Each ... | 11/09/2004 |
| 6758675 | Base ten primary teaching kit A kit containing an Instructor unit sized for presentation to a group and multiple Child training units both set up to allow students to visually model and relate addition, subtraction, multiplication, and division in primary mathematics. The manipulative units incl... | 07/06/2004 |
| 6739875 | Teach-aiding weight set A teach-aiding weight set includes a white, a red, a light green, a purple, a yellow, a green, a black, a brown, a blue, and an orange weight. Each of the weights is provided with spaced shallow grooves to show a plurality of equal sections corresponding to a specif... | 05/25/2004 |
| 6666688 | Liquid measurement teaching aid A teaching aid is disclosed herein that includes at least one gallon model, four quart models, two pint models, and two cup models. The appropriate measurement is attached to each model, thus showing a student how many of each measurement are in each mode... | 12/23/2003 |
| 6609712 | Math manipulative educational learning game The present invention relates to a math manipulative educational learning game in which a plurality of rods are provided for use in various manipulative games designed to teach rudimentary arithmetic skills. In the preferred embodiment, the rods are of va... | 08/26/2003 |
| 6595778 | Base ten primary teaching kit A kit containing an Instructor unit sized for presentation to a group and multiple Child training units both set up to allow students to visually model and relate addition, subtraction, multiplication, and division in prinmry mathematics.... | 07/22/2003 |
| 6575756 | Mathematical teaching apparatus A set of blocks used as an aid for teaching mathematical concepts, in which blocks of different sizes are provided with characteristic dimensions that bear a relationship to preselected numbers in the Fibonacci series. The Fibonacci series is defined as a... | 06/10/2003 |
| 6575754 | Device and method for teaching mathematical properties associated with even and odd numbers A concrete manipulative for teaching the properties of odd and even numbers. The manipulative includes an elongated channel having end walls at each end, and a plurality of rods that fit at least partially within the channel. The rods are in two sets of d... | 06/10/2003 |
| 6243959 | Measuring and instructional ruler A measuring and instructional device containing a base panel having a top surface and perimeter bounded by at least one edge, with the top surface having evenly spaced apart linear rulings perpendicularly disposed to the edge and defining a non-linear sta... | 06/12/2001 |
| 6206701 | Mathematical teaching apparatus and method A mathematical teaching apparatus comprising block elements that fit inside a block element container. The block element container will not close until the proper number of block elements are inserted. For teaching counting and addition concepts for a num... | 03/27/2001 |
| 6196847 | Educational mathematical apparatus The present invention is an apparatus and method of educating the fundamentals of numbers and/or mathematics. The apparatus is designed to replicate mathematical problems appearing on books and other media and includes a base having a front surface. This ... | 03/06/2001 |
| 5980258 | Mathematical teaching apparatus and method A mathematical teaching apparatus comprising block elements that fit inside a block element container. The block element container will not close until the proper number of block elements are inserted. For teaching counting and addition concepts for a num... | 11/09/1999 |
| 5881469 | Measuring and instructional ruler A measuring and instructional ruler device is provided for use by children and persons during the instruction of linear measurement, and for use in the measuring and drawing of objects. The device is comprised of a base panel having a top surface having s... | 03/16/1999 |
| 5868577 | Factor blocks kit and method of use A factor blocks kit having a plurality of cubic, rectangular and triangular prisms and rectangular mats. These prisms have edges (sides) that measure either 1 unit or a 1-digit prime number of units in length. These prisms are scored with unit markings on... | 02/09/1999 |
| 5820381 | Teaching apparatus and method for visually representing mathematical expressions An apparatus and method for teaching mathematical expressions includes a plurality of four-sided members that represent the variables of factors of a mathematical expression. Each four-sided member has a different area representing a different variable in... | 10/13/1998 |
| 5749734 | Mathematical teaching apparatus A mathematical teaching apparatus comprising block elements having a front and back side, including indentations and protrusions to allow the blocks elements to stack. The block elements are inserted into a block element sleeve, which hold 10 stacked bloc... | 05/12/1998 |
| 5683252 | Multi-functional game and learning device The present invention relates to a multi-functional game and learning device. More particularly, the present invention relates to a multi-functional game and learning device which can be used as a general wood block stacking toy designed to educate and in... | 11/04/1997 |
| 5679002 | Fractional-arithmetic-teaching game and method for playing An apparatus and a method for playing a math-teaching board game which enables a player student while manipulating game-pieces to gain an understanding of the concept of fractions and arithmetical operations associated therewith. The game is played by 2 t... | 10/21/1997 |
| 5645431 | Teaching apparatus and method for visually representing mathematical expressions An apparatus and method for teaching mathematical expressions includes a plurality of four-sided members that represent the variables of factors of a mathematical expression. Each four-sided member has a different area representing a different variable in... | 07/08/1997 |
| 5599188 | Didactic-educational toy for elementary arithmetic operations, reading and writing A didactic-educational toy for elementary arithmetic operations includes a plurality of transparent plates. Each of the transparent plates has ten circular orifices. The orifices are distributed symmetrically in two rows. Each row has five of the orifices... | 02/04/1997 |
| 5597308 | Assembly including interlocking components for teaching mathematical concepts An assembly for teaching mathematical concepts includes a plurality of interlocking components, each having at least one connecting end so that the components can be combined in any order or length. Each component is assigned a mathematical value accordin... | 01/28/1997 |
| 5423682 | Numbering system teaching aid A teaching aid for teaching young children counting in the tens numbering systems, in which four side by side stacks of nine blocks are each slidable on respective rods held in a frame, each of the nine blocks having one face of each block in the stack im... | 06/13/1995 |
| 5421732 | Apparatus and method for teaching addition and subtraction The present invention is directed to an apparatus and method for teaching addition and subtraction. The apparatus includes a game board, a plurality of movable dowels having predetermined lengths with spaced apart indicia marked thereon, and a number gene... | 06/06/1995 |
| 5366378 | Visual teaching aid A visual teaching aid adapted for the versatile teaching of various mathematical relationships, incremental scales, and other sequential and educational concepts. The teaching aid includes an elongated board, a plurality of elongated insert cards each bei... | 11/22/1994 |
| 5297965 | Mathematical and spatial toy apparatus A mathematical and spatial toy apparatus is arranged to include a grooved rack board arranged to receive individual block components to teach children the mathematical cumulative effect of such boards to provide rudimentary teaching in mathematical and sp... | 03/29/1994 |
| 5238407 | Blocks with mating bosses and recesses which bulge for interference fit Base-ten blocks for teaching arithmetic to children, in which each block (19) has a projecting boss (27) with curved (bowed-out) sides (29) and an aperture (33) with straight sides (35), so that blocks (19) can be securely joined together to form multiple... | 08/24/1993 |
| 5137452 | Base--ten blocks employing single, attachable blocks of one color row of ten blocks of different color Base-ten blocks for teaching arithmetic to children, in which each block (19) has a projecting boss (27) with curved (bowed-out) sides (29) and an aperture (33) with straight sides (35), so that blocks (19) can be securely joined together to form multiple... | 08/11/1992 |
| 5120226 | Toy and teaching aid combination A toy includes a casing having a number of holes formed in an upper surface. A board which has a number of symbols printed on an upper surface is insertable into the bottom of the casing. A number of blocks, each can be inserted into a hole. An opening is... | 06/09/1992 |
| 5098301 | Multiplication facts learning aid A multiplication facts learning aid kit comprises a model amenable to computerization, teachers manual, set flash cards, and student materials to enable the learner to know the multiplication facts without rote memory. The model comprises a base and a plu... | 03/24/1992 |
