Page 41 - steps 3b.pdf

42 • Shape sorts . • • • • • • • • Shape challenges . •
~:I'I']*'fI'~ Work with a partner if you can. ~~~~l~~~
l~b\;vll~VaOlloQQI II] Write the letters a to i on the nine dotty Wids on your copy of RM 62 .
PAGE 72
o Make on your geoboard, then record on your dotty grids,
the shapes a to i listed below. Like this:
I<C?PIIEOOI -~- ""ecce

C 0 ~
a triangle with c c c v c c ~
(j C
a right-angled corner
"
OJ Copy and complete this table OOOVOv
for sets A to E above. belongs to the family of c 0 CI " C 0
lr;-I'>'~ }~'?~ A hexagons
, )~';, B............. ~ triangles a a pentagon
quadrilaterals
~).J'"
C
(, ",
~~~' D octagons b a triangle with 3 sharp corners rn [gJ
c an oblong with an area of
pentagons
E
five square centimetres
[gJ Write the family each of these shapes d a quadrilateral with only two Some possible
right-angled corners
belongs to. e a large square with a smaller square solutions:
~0 inside it but not touching it a
two overlapping triangles
GJ 9 two matching squares ~ :
touching at one corner
~ J ~ a square inside a hexagon U.
h a hexagon with a line of symmetry
with its four vertices (corners)
·· .
on the perimeter of the hexagon
CHALLENGE
00~ b · . .
Get another copy of RM 62 and invent your own shape challenges.
m ! STEPS 3b:29! Ell · . . .
· . . .
·
V ..
rn [gJ
belongs to the family of triangles: b, j C drBl e[§l f
•
.. . . .
·
. D
...
quadrilaterals: a, C, h, i [j .. C§] .. ~
A hexagons I - - - - I .... .... .
pentagons: e, f
B quadrilaterals .. ... . .
hexagons: d, g, I · .. .
C triangles I I I
octagons: k, m
D octagons Challenge : : 0 · Q
E pentagons Invent own 9 IdP: h .... . .
.. ..
shape . .... .
challenges. . ... . .. .. . .
. . . . . . . . . . .