March 1, 2008
Grade 1 Lessons, Mathematics, The Son
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Mar1
Lines of Symmetry
A line of symmetry divides a shape and a figure into two equal parts.
If a shape can be folded or divided into two equal parts, then it has symmetry.
February 23, 2008
Grade 1 Lessons, Mathematics, The Son
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feb23
Shapes
A square has four equal sides and four corners.
A rectangle has two pairs of equal sides and four corners. Two sides are long and two sides are short.
A triangle has three sides and three corners.
A circle has no corners. It is perfectly round.
