=
+
=
+
=
+
=
+
=
+
Data:
M:
cm ,
J:
cm
Plan:
M + J:
E:
=
Mum will need to buy
m
cm of material.
+
C:
Data:
K:
mm ,
L:
mm
Plan:
E:
=
The length of Linda's ribbon was
cm
mm.
–
C:
Data:
cm ,
cm
Plan:
E:
=
The length of wood Dad bought was
m
cm.
+
C: