Picture Graph/Place Value/Prime Number
PICTURE GRAPH A graph which uses picture symbols to show number information. Example: The pictograph shows how much money 4 children earned last week. Each ? means 10 cent. Cierra ? ? ? Alex ? ? ? ? ? ? Paul ? ? ? ? ? Calin ? ? ? ?
PLACE VALUE Place value is the value of each place in a plan for naming numbers. The value of the first place on the right, in our system of naming whole numbers is one. The value of the place to the left of ones place is then. . . [Tens/Ones]
PRIME NUMBER A number greater than one which has factors of only itself and one. 2, 3, 5, 7, 11 and 13 are just a few of the prime numbers.