wunder beta💯 Fractions, Decimals, and Percents
See how 1/2, 0.5, and 50% are the same amount, and convert between all three forms.
3
lessons
~30 min
to learn
🔢 Math
subject
Ages 6–12
level
What you’ll learn
- Three Ways to Show a PartSee that fractions, decimals, and percents can all name the same part of a whole.A part of a whole can be written three ways: as a fraction, a decimal, and a percent. One half is 1/2, 0.5, and 50% — all the same amount. A comparison table lines them up side by side.
- Fractions to DecimalsConvert common fractions to decimals and locate both on a number line.Common fractions have decimal twins: 1/2 = 0.5, 1/4 = 0.25, 3/4 = 0.75, 1/10 = 0.1. A fraction and its decimal sit at the exact same place on the number line because they are the same amount.
- Percents Are Out of 100Understand percent as 'out of 100' and convert among fractions, decimals, and percents.Percent means 'out of 100', so 50% is 50 out of 100 — the same as 1/2 and 0.5. To go from a decimal to a percent, count the hundredths: 0.25 is 25%, 0.1 is 10%, and 1.0 is 100% (the whole thing).
Questions this course answers
1/2, 0.5, and 50% all show…
They are three names for the same amount.
0.75 as a fraction is…
0.75 is seventy-five hundredths, which is three quarters.
100% of something means…
100 out of 100 is the whole thing — all of it.
0.2 as a percent is…
0.2 is two tenths, which is 20 out of 100 — 20%.
Grounded in trusted sources
- Khan Academy Kids
- PBS Kids — early math
- Math is Fun
- Britannica Kids
Every Wunder lesson is built from real, reputable sources — never invented.
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