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Kumon-style math worksheets with deterministic sheet codes and local student progress.

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Easy Math Books

A little math practice. A beautiful record of growing up.

An Omarchy bar widget for creating printable math worksheets, recording practice, and turning a child's weekly effort into a keepsake parents can print, save, or put on the TV. Everything stays on your computer.

A weekly math journey: seven days, two levels, and a colorful family keepsake

From practice to something worth keeping

A compact widget A personal worksheet A report for the whole family
Worksheet view Flower motif worksheet Weekly report
  • 40 math levels, from single-digit addition to factoring quadratics.
  • Deterministic sheet codes. 2-3 always reproduces the same exercise plan.
  • A simple flow: choose student and level → create → time/score → save → progress.
  • No scrolling inside the widget. Every child page has the same left-arrow Back control, returning to the page you came from. Escape also goes Back; at the root, it closes the widget.
  • Reprint unfinished sheets. Replace a lost worksheet with the same problems and original print settings, or record its result.
  • Weekly keepsakes. Past seven days by default; select any earlier week with results from Progress.
  • A star for every finished worksheet. The weekly timeline celebrates each completed sheet, with a larger star beside the total.
  • Every practiced level counts. Each level has its own results card, alongside total correct exercises and overall accuracy.
  • Timing is optional. Off by default; parents can choose a report that celebrates correct answers without showing speed comparisons.
  • 52 positive messages, one for each week of the year.
  • Optional local reminders, with independent toggles, a parent-entered missed-day threshold, and a parent-chosen notification time.

Choose their personal touch

Student profiles offer Female or Male, with three motifs each. A profile can be changed anytime. Existing students keep their records and use a neutral stars design until a motif is explicitly saved.

Flowers Unicorns Butterflies
Flowers Unicorns Butterflies
Sports Cars Airplanes
Sports Cars Airplanes

Worksheets can stay plain for economical printing or match the student's motif with colorful stationery. The exercise plan and writing space stay the same. Answer keys are available separately.

A weekly report, your way

Progress → Open past 7 days report opens a local HTML document in your browser. Progress → Choose a previous week’s report opens the archive of Monday–Sunday weeks with saved results. Timing can be changed there or in the gear’s Report preferences.

The keepsake includes worksheet count, accuracy, total correct exercises, seven days of activity, results for every practiced level, a positive weekly message, and room for a parent to sign. Use Print / save PDF to keep it on paper or as a PDF. Show practice journal reveals detailed results and includes them when printing. The timing preference applies to that journal too.

TV view presents the keepsake fullscreen, without the journal button. Escape exits fullscreen. The file needs no account, external fonts, images, or network connection, so it can be copied to another device.

The airplane motif in TV view

Reminders belong to the parent

Both reminder switches start off. The first enable asks for permission to send local Omarchy notifications. Each student has independent preferences:

Option Parent control
Weekly report reminder A separate on/off switch; one reminder per new week when the preceding week has results.
Missed-practice reminder A separate on/off switch; type how many days without recorded practice are acceptable.
Days without practice Enter 1 for the first missed day, 3 for three days, or another number from 1–365.
Reminder time Enter a local 24-hour time, such as 18:00, then save. Both reminder types use that time.

After the selected day threshold, missed-practice notifications occur at most once a day, after the chosen time, until practice is recorded again. Weekly notifications occur after the chosen time on the first running day of the new week. Reminders work while the widget is loaded in Omarchy and check once a minute; no background service or external account is installed.

Install

omarchy plugin add https://github.com/guirossibrum/EasyMathBooks.git --enable

Uses Omarchy's system Python and its existing Cairo, Pango, and SVG libraries to produce sharp, printable PDFs. No package downloads or virtual environment are needed. License: MIT.

The calculator icon opens the widget. Worksheet is for preparation and practice; Progress is for results and reports. The gear opens a small settings hub for print options, reminder preferences, student profiles, and report preferences. Reprinting stays in Worksheet, and report actions stay in Progress. Right-clicking the calculator creates the current worksheet.

Your family's data stays local

Names, practice results, notification preferences, worksheets, and reports are stored under ~/.local/share/easymathbooks/ (or your XDG_DATA_HOME). They are never uploaded to this repository. Notifications go only to your local desktop. The app's data directory is owner-only (0700), and its database and SQLite sidecar files are private (0600). Existing installations receive these permissions automatically while keeping their records and preferences. The widget sends requests to its helper through stdin. Documents open through private copies with opaque filenames, keeping child names out of process arguments. All screenshots and downloadable examples in this README use fictional students.

Removing the widget preserves your records:

omarchy plugin remove grbrum.easymath

Generate worksheets from the command line

You can also create worksheets directly with Python:

/usr/bin/python3 generate.py --list
/usr/bin/python3 generate.py --sheet 1-502
/usr/bin/python3 generate.py --level 1 --sheets 5

How a page is prepared

There are 40 levels. Each one is a problem generator plus a page layout (columns, row height, type size).

  1. A sheet code {level}-{seed} seeds a private RNG (EasyMathBooks:2-2). Seed has no upper bound. The same code always reprints the same problems.
  2. The level’s generator keeps drawing problems of that kind until the page is full. Illegal draws (wrong carry, negative difference, and so on) are rejected and tried again, so every item matches that level’s rule.
  3. Capacity is how many rows fit times the column count. A Note (worked example) on vertical pages eats a band of height, so you get fewer problems (about 25 vs about 35 on the same level).
  4. Early levels print stacked (digits in columns, answer boxes). Later levels print horizontal (… = ____) or equations (x = ____).
  5. One PDF page, filled to capacity, plus an answer key.

Levels

Addition and subtraction (1–13) — stacked arithmetic, Kumon-style.

Level What it drills
1 Single-digit add, sums to 9
2 Single-digit add, sums 10–18
3 Single-digit subtract
4 Teens minus a single digit
5 2-digit + 1-digit, no carrying
6 2-digit + 1-digit, carrying
7 2-digit − 1-digit
8 2-digit + 2-digit, no carrying
9 2-digit + 2-digit, carrying
10 2-digit − 2-digit
11 3-digit + 3-digit
12 3-digit − 3-digit
13 Mixed 4-digit add or subtract

Multiplication (14–18) — stacked.

Level What it drills
14 Tables 2–5 × 2–9
15 Tables up to 12 × 12
16 2-digit × 1-digit
17 2-digit × 2-digit
18 3-digit × 2-digit

Division (19–21) — horizontal.

Level What it drills
19 Basic facts (exact)
20 Larger dividends, no remainder
21 With remainders

Fractions, decimals, percent (22–27)

Level What it drills
22 Add/subtract, same denominator
23 Different denominators
24 Multiply and divide fractions
25 Decimal add/subtract
26 Decimal multiply/divide
27 Percentages

Integers and structure (28–32)

Level What it drills
28 Negative add/subtract
29 Negative multiply/divide
30 Order of operations
31 Squares, cubes, powers
32 Exponent rules and negative powers

Roots (33–35)

Level What it drills
33 Square and cube roots of perfect powers
34 Simplifying square roots
35 Arithmetic with square roots

Algebra (36–40) — solve for x.

Level What it drills
36 One-step equations
37 Two-step equations
38 Variables on both sides
39 Equations with x²
40 Quadratics by factoring

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Kumon-style math worksheets with deterministic sheet codes and local student progress.

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