Page 14 - steps 3b.pdf
P. 14
DRM 12
~ Angles _ _ _ _ _ _ _ _ _ - 3b:4
e
. a . Angle b is closest to
b b a half right angle.
. a .
/ \
I \ e
rn Draw 5 different-sized oblongs and rule their diagonals.
Label opposite angles a and b as shown above.
[!J Estimate which pair of angles is closest to a half right angle.
Check with a half right angle measure.
@] Mark the pairs of angles closest to a half right angle in blue.
Estimating and measuring half right angles.
I Name Materials: half right angle measurer.
Date
© HarperCollinsPub/ishers Ltd 1997 STEPS 3b Differentiation Pack