Sequences,,,,,,,,,,,,,,,,,,,,,

1,Triangular Numbers,,,,,,,,,,,,,,,,,,,,

,Triangle Number,1,,2,,3,,4,,5,,6,,7,,8,,9,,10,
,Number of dots,1,,3,,6,,10,,15,,21,,,,,,,,,
,First difference,,,,,,,,,,,,,,,,,,,,
,Second difference,,,,,,,,,,,,,,,,,,,,


2,Square Numbers,,,,,,,,,,,,,,,,,,,,
,Square Number,1,,2,,3,,4,,5,,6,,7,,8,,9,,10,
,Number of dots,1,,4,,9,,16,,25,,36,,,,,,,,,
,First difference,,,,,,,,,,,,,,,,,,,,
,Second difference,,,,,,,,,,,,,,,,,,,,


3,Hexagonal Numbers,,,,,,,,,,,,,,,,,,,
,Hexagon Number,1,,2,,3,,4,,5,,6,,7,,8,,9,,10
,Number of dots,1,,6,,15,,28,,45,,,,,,,,,,
,First difference,,,,,,,,,,,,,,,,,,,
,Second difference,,,,,,,,,,,,,,,,,,,


4,Square Shapes,,,,,,,,,,,,,,,,,,,
,Shape Number,1,,2,,3,,4,,5,,6,,7,,8,,9,,10
,Number of squares,1,,5,,13,,25,,,,,,,,,,,,
,First difference,,,,,,,,,,,,,,,,,,,
,Second difference,,,,,,,,,,,,,,,,,,,


5,Square Shapes Graph,,,,,,,,,,,,,,,,,,,
,Shape Number,1,2,3,4,5,6,7,8,9,10
,Number of squares,1,5,13,25,,,,,,
,First difference,,,,,,,,,,