MATHMATH

• Third GradeThird Grade• Geometry and Spatial Geometry and Spatial

Sense Standard Sense Standard

The House That Dot BuiltThe House That Dot Built

• Once there was Once there was space and time space and time that was full of that was full of what, what,

• Then the end of my Then the end of my pen made a tiny pen made a tiny dot. dot.

• Get the point?Get the point?

Line SegmentLine Segment

• Then I made Then I made another mark another mark

• Another point in Another point in time,time,

• I joined them both I joined them both together and made together and made aa

• Segment line. Segment line.

Ray PRay P

• Little line,Little line,• Who made thee?Who made thee?• Little line,Little line,• Who made Thee?Who made Thee?• I did, said my pen,I did, said my pen,• And mind your P’S and And mind your P’S and

Q’sQ’s• And the line did… up And the line did… up

to a point.to a point.• But He was lonely and But He was lonely and

began to travel.began to travel.

Angle APQAngle APQ

• So they connected So they connected and what was two is and what was two is now one,now one,

• Traveling different Traveling different paths but yet the paths but yet the same.same.

• And they had a boy And they had a boy whom they called whom they called Vector, and then a Vector, and then a girl, whom they called girl, whom they called Angle.Angle.

ANGLE QPAANGLE QPA

• Lo and behold He Lo and behold He found someone, a found someone, a small someone small someone well, actually a well, actually a point in space, but, point in space, but, non-the-less a non-the-less a friendly face.friendly face.

Triangle APQTriangle APQ

• Angle was an Angel easily Angle was an Angel easily found,found,

• But Vector was vexing, But Vector was vexing, Always hiding around but Always hiding around but all in all all in all

• All was good… till one day-All was good… till one day-• Q had a question that A Q had a question that A

understood.understood.• Q had a question, he Q had a question, he

thought all the time, and A thought all the time, and A had the answer, which Q had the answer, which Q found in a line.found in a line.

More AnglesMore Angles

• All went quite well All went quite well for a while at least, for a while at least, till confused P and till confused P and Q tried to go east.Q tried to go east.

Triangle and SquareTriangle and Square

• But this didn’t work But this didn’t work as they soon came as they soon came to see, so T said to to see, so T said to U, Well you come U, Well you come to me.to me.

Different ShapesDifferent Shapes

• So on it went, So on it went, • They wanted no They wanted no

more,more,• Till TQ was restless Till TQ was restless

and PQ was bored.and PQ was bored.• But the problem is But the problem is

solved TU said to TP,solved TU said to TP,• Lets get to the point,Lets get to the point,• We now Have TV.We now Have TV.

Dots HouseDots House

• There now is a house There now is a house which grew by leaps which grew by leaps and bounds,and bounds,

• TU went wild and now TU went wild and now there is ground.there is ground.

• This is the house that This is the house that Dot built, in space Dot built, in space points, and time.points, and time.

• To be continued….To be continued….

• In another line….In another line….

ActivityActivity

• Hands on project to Hands on project to build a house.build a house.