Addition Algorithm
54+97
151
11+52+24
87
15+17
32
382 + 129
511
56+34+27
117
310
3216 +6549
9,765
562+54+108
724
531+378
909
A regular hexagon has a perimeter of 36 cm.
What is the length of each side?
6cm
64,152 + 82,896
147,048
134+1896+2043
4073
2521+677
3198
An irregular pentagon has a perimeter of 48 cm. If 4 of the sides measure 12 cm, 8 cm and 15 cm.
What could the missing sides measure?
Various
A rectangular whiteboard is 3 meters long and 2 meters wide.
It costs $3 per meter to put a metal frame around it. How much will the frame cost?
$30