Reply to DD already stuggling with 8th grade Geometry Honors

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]Thank you for all the responses. Even the ones that just called me a troll and told me I needed help. I see I jumped the gun but this is new for me. This is my only child. She has always excelled and seeing such a low score freaked her out and it freaked me out. I did not know what my options were and it was disappointing to learn office hours can't start until a certain date, even if a child needs help. We will look at daily Khan Academy as a tool (great suggestion) as well as finding a tutor. She seems to struggle with planes when there are multiple ones involved and intersecting. She got the "always" "sometimes" "never" questions wrong. One question was "Two intersecting lines are ______ coplanar" and she put "sometimes." Stuff like that she got wrong. I don't know if that is a vocabulary issue, an issue understanding planes, or what but we will figure it out and help her. [/quote]

what kind of garbage test is this[/quote]

+1[/quote]

Huh? It is a fundamental question on understanding geometry. Intersecting lines always have to be coplanar. T[b]hink of a box with one edge that is the length of the box on the bottom (let's say one of the edges that touches the ground if the box is on the ground) as one line. In order the edge of the width of the box to intersect it has to be one of the edges on the ground as well. If it is the width that is on the top of the box they wouldn't intersect. They would be skew lines and NOT coplanar. [/b]

If you can't understand that concept honor geometry is going to be really hard. [/quote]

this is not a good way to think about this - it reveals a mind that can think but is really not trained in geometry at all. you need to think about it in terms of points and lines in space, as PP explained and then you are not just imagining shapes but the truth of statement actually follows.

this is why you are supposed to start real geometry in first grade (instead of wasting time on naming shapes etc). I moved my kids abroad because I could not more deal with the nonsense. in the first grade they studied points, line segments and types of lines (and with types of problems that are not easy yet doable), then in the second they do lines, and planes in the third. you need to build this deeply and gradually.[/quote]

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