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 510.339+486.469.

Q2:

Calculate 37.983+19.57+41.04.

Q3:

Calculate the following: 10.2079+48.4128.

Q4:

Calculate 154.502+29.699.

Q5:

Calculate the following: 0.19390.0254.

Q6:

Calculate 37+0.086.

Q7:

Calculate 18.884+67110.

Q8:

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

Q9:

Sophia 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:

Mason 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 10.826+157.666.

Q15:

Calculate 234.7+182.777.

Q16:

Calculate 440.201+390.97.

Q17:

Calculate 44.85+4.575+49.7.

Q18:

Calculate 34.853+16.512+28.23.

Q19:

Calculate 28+0.514.

Q20:

Find the length of 𝐴𝐵.

Q21:

Find the length of 𝐽𝐿.

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