Sum of Ages: Emily and David

easyGrade 2-4sum of-ages

The Problem

Emily is 13 years old and David is 15 years old. What is the sum of their ages?

Answer:

28 years

Key Information

  • Emily's age: 13 years
  • David's age: 15 years

Step-by-Step Solution

1

Identify both ages

Emily = 13 years, David = 15 years
2

Set up equation

Sum = Emily's age + David's age
3

Substitute values

Sum = 13 + 15
4

Calculate

13 + 15 = 28
5

Final answer

The sum of their ages is 28 years

Common Mistakes to Avoid

  • Adding wrong numbers
  • Missing one of the ages

Helpful Tips

  • Write down both ages before adding
  • Check your addition twice

Real-World Application

Adding ages is common when calculating combined ages for tickets, events, or family statistics.

Related Topics:

ageadditionsumword problems

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