Question

Students are to march in a parade. There will be one first grader, two second graders, three third graders, and so on, through the twelfth grade. How many students will march in the parade?

Answer 1

1+2+3+4+5+6+7+8+9+10+11+12=78
The answer is 78

Answer 2

The total of students will march in the parade is 78 students

So organizing the information given in the statement we have:

• one first grader
• two second graders
• three third graders
• four fourth grade
• five fifth grade
• six sixth grade
• seven seventh grade
• eight eighth grade
• nine ninth grade
• ten tenth grade
• eleven eleventh grade
• twelve twelfth grade

Arranging this information mathematically, we have:

$TOTAL: 1+2+3+4+5+6+7+8+9+10+11+12= 78$

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