Worksheet: Adding and Subtracting Decimals with up to Three Decimal Places

In this worksheet, we will practice adding and subtracting numbers with up to three decimal places using a variety of methods, including the column method.

Q1:

Calculate 5 1 0 . 3 3 9 + 4 8 6 . 4 6 9 .

Q2:

Calculate 3 7 . 9 8 3 + 1 9 . 5 7 + 4 1 . 0 4 .

Q3:

Calculate the following: 1 0 . 2 0 7 9 + 4 8 . 4 1 2 8 .

Q4:

Calculate 1 5 4 . 5 0 2 + 2 9 . 6 9 9 .

Q5:

Calculate the following: 0 . 1 9 3 9 0 . 0 2 5 4 .

Q6:

Calculate 3 7 + 0 . 0 8 6 .

Q7:

Calculate 1 8 . 8 8 4 + 6 7 1 1 0 .

Q8:

= 7 2 + 0 . 4 + 0 . 0 9 + 0 . 0 0 3 .

Q9:

Amira wanted to buy some snacks and juice. If she had $25 and bought some fruits for $14.35 and a gallon of apple juice for $2.22, find how much she would have after paying.

Q10:

Nader bought a tie for $14.51 and a shirt for $23.38. Determine how much he will get back if he pays with a $50 bill.

Q11:

A woman has 145 LE and wants to buy a pair of shoes for 49.20 LE, a bag for 42.25 LE, and a dress for 54.50 LE. Does she have enough money to buy all three items?

  • Ano
  • Byes

Q12:

Olivia bought a washing machine for 2,077.50 LE and a TV set for 1,131.75 LE. If she had 3,670 LE before she bought them, how much money does she have now?

Q13:

The table shows the most popular email service providers in 2,016.

Service Google Yahoo! MSN BellSouth AOL
Number of People (billion) 1.2 1 0.725 0.285 0.174

How many more people used the top three services than those who used the fourth- and fifth-ranked services combined?

Q14:

Calculate 1 0 . 8 2 6 + 1 5 7 . 6 6 6 .

Q15:

Calculate 2 3 4 . 7 + 1 8 2 . 7 7 7 .

Q16:

Calculate 4 4 0 . 2 0 1 + 3 9 0 . 9 7 .

Q17:

Calculate 4 4 . 8 5 + 4 . 5 7 5 + 4 9 . 7 .

Q18:

Calculate 3 4 . 8 5 3 + 1 6 . 5 1 2 + 2 8 . 2 3 .

Q19:

Calculate 2 8 + 0 . 5 1 4 .

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