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.

Q1:

Solve the addition problem. 3414988+2878385+2527515.......

Q2:

The income of a company in its first year was 2 million pounds and in its second year was 9,894,293pounds. Calculate the total income in those two years.

Q3:

During the world cup, the income from three different sponsors was 5 million and three hundred thousand pounds, seven hundred thousand pounds, and two hundred and five thousand pounds. What was the total income?

Q4:

Solve the addition problem. 1646238+3234136+1479743.......

Q5:

Solve the addition problem. 3251133+1654757+4850815.......

Q6:

Solve the addition problem. 1681456+2254933+1974853.......

Q7:

Solve the addition problem. 2548880+4431119+1436954.......

Q8:

Solve the addition problem. 1407792+3419745+2973723.......

Q9:

Solve the addition problem. 1761928+1215651+1441227.......

Q10:

Solve the addition problem. 1432435+1565413+3529828.......

Q11:

Solve the addition problem. 3456567+2764455+3227505.......

Q12:

Solve the addition problem. 2282184+1233594+3790967.......

Q13:

The income of a company in its first year was 3 million pounds and in its second year was 4,774,357pounds. Calculate the total income in those two years.

Q14:

Is 7,461,737+2,414,806<, =, or > the largest 7-digit number whose digits are different?

  • A >
  • B <
  • C =

Q15:

Calculate 7,380,780+4 million.

Q16:

Calculate (8902929+6408219)+1971752.

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?

  • A11,274,927 children
  • B3,113,427 children
  • C4,113,427 children
  • D10,274,927 children

Q18:

Evaluate the expression. 1696408+3631066

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