Place Value Model
Select the digits of a decimal and reveal each place value step by step.
0–2.99
Build Your Decimal
Choose a value for each place, then click Model.
.
0.00
Decimal Addition
Add two decimals and watch regrouping happen step by step.
a + b
Enter Two Decimals
Each number can have up to 2 decimal places.
.
+
.
0.00 + 0.00
Decimal Subtraction
Subtract decimals and see borrowing shown visually.
a − b
Enter Two Decimals
If subtrahend > minuend, they will swap automatically.
.
−
.
0.00 − 0.00
Fractions & Percents
Connect a decimal to its fraction and percent equivalents.
0.__ = __% = __/100
Enter a Decimal (0 to 0.99)
Choose tenths and hundredths, then click Convert.
0.00