Practice Decimal Operations in Math
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
Decimal operations — addition, subtraction, multiplication, and division — follow the same rules as whole-number arithmetic but require careful attention to decimal point placement and alignment.
Decimal operations follow the same rules as whole numbers, but you must track the decimal point carefully—like keeping track of dollars and cents.
Example 1
easyAdd 12.74 + 5.6 + 0.08.
Example 2
mediumMultiply 0.45 \times 0.8 and explain how to place the decimal point.
Example 3
easySubtract 14.5 - 6.83.
Example 4
hardA 3-metre length of rope is cut into pieces, each 0.15 m long. How many complete pieces can be cut, and how much rope is left over?
Example 5
mediumCalculate 4.25 \times 3.6.