15. Steps Answer
Understand:
What is asked?
What is given?
The perimeter of the table 50 cm
Plan:
What operation will you use? Addition or Multiplication
What is the number sentence? 50+50+50+50 = n or 4 x 50 = n
Check and Look Back:
What is the answer to the
problem?
The perimeter of the table is 200
cm.
16.
17. 50 cm
50 cm
50 cm
50 cm
50 cm
50 cm
50 cm
50 cm
50 cm
50 cm