# Worksheet: Adding Whole Numbers up to 100,000,000

In this worksheet, we will practice adding whole numbers with sums up to 100,000,000 using both formal written methods and mental methods.

**Q14: **

Is , , or the largest 7-digit number whose digits are different?

- A
- B
- C

**Q15: **

Calculate million.

**Q16: **

Calculate .

**Q17: **

7,694,177 children were vaccinated last year and 3,580,750 children were vaccinated this year. How many children were vaccinated in total?

**Q18: **

Evaluate the expression.