Elementary Foundations · Set 01
Fractions, Decimals, Percent & Ratio
One hundred questions, five units, arranged from easiest to hardest so you can master each skill on your own — start anywhere, work at your pace, and check every answer as you go.
How this works: Tap an answer to check it instantly — you'll see a short explanation right away whether you're right or wrong. Stuck? Tap Hint before answering. Each unit starts easy and gets harder, so work through them in order the first time. Use Print / PDF for a clean paper copy with an answer key on the last page.