Build your worksheet

OPERATION

NUMBER RANGE

FORMAT

PROBLEMS PER PAGE

Include answer key page Timed test header (Time & Score) Large print (SPED friendly) Print 3 variants (A/B/C, anti-copying)

Worksheet code: —
Same code always rebuilds the exact same sheet — share it or keep it for re-tests.

✓ Balanced drill: every fact in the range appears before any fact repeats.
✓ Generated by deterministic code, not AI — every answer key is correct.
✓ 100% free. No account. No watermark.

⚡ Practice Sprint — race your own ghost

OPERATION

RANGE

MODE

No record yet for this set — your first round sets the bar.

Runs are saved only in this browser — no account, nothing leaves your device.
Timer stressful? Pick Stopwatch mode: no countdown, you set the pace.

📊 Mastery map — see exactly where the gaps are

Mastered Getting there Needs work Not practiced

Tap a cell for details. Data flows in from Practice Sprints and checked paper sheets.

✓ Check a printed sheet

Pick a sheet you printed, tap the problems your child missed, save — the map updates and the next Smart Sheet adapts. Paper and screen, one loop.

📬 Get the Monday Pack — free

Every Monday: a fresh week of practice sheets with answer keys, plus one short tip that actually moves fluency. No spam, unsubscribe any time.