Short answer: For worksheets and tests, the fastest routes are the Google Docs equation editor (Insert → Equation, then type \times, \geq, \sqrt…) and Windows Alt codes (× is Alt + 0215, ÷ is Alt + 0247). Copy the symbols you use most from the tool below.
Tap to copy a math symbol
Whether you’re building a worksheet, a Google Form quiz, a slide deck or marking work online, teachers reach for the same set of math symbols — and typing them properly (a real ×, not the letter x) makes materials clearer and more professional. Here’s the whole toolkit, organised by what you need and where you type it. This is part of the Math symbols hub.
The teacher toolkit
| Group | Symbols | Notes |
|---|---|---|
| Operations | × ÷ ± ⋅ − | Use × (multiply) and ÷ (divide), not x and /. |
| Comparison | = ≠ < > ≤ ≥ ≈ | The comparison set — ≤ and ≥ especially. |
| Powers & roots | ² ³ ⁿ √ ∛ | Exponents and the square root. |
| Geometry | ° ∠ ⊥ ∥ △ ≅ ∼ | Degree, angle, perpendicular, parallel, triangle, congruent, similar. |
| Fractions | ½ ⅓ ¼ ¾ | See fraction symbols for the full set. |
| Constants & sets | π ∞ ℝ ℤ ℕ | Pi, infinity, and blackboard-bold number sets. |
| Grading | ✓ ✗ ★ | Ticks, crosses and reward stars — see below. |
Google Docs, Slides & Classroom
Google Workspace is where most classroom materials live, so this is the main event.
- Docs equation editor: go to Insert → Equation. A math toolbar appears, and you can type LaTeX-style commands that auto-convert:
\times→ ×,\div→ ÷,\geq→ ≥,\leq→ ≤,\neq→ ≠,\pi→ π,\sqrt→ √,\angle→ ∠,\perp→ ⊥,\parallel→ ∥,\cong→ ≅. Press space after the command and it becomes the symbol. - Special characters: for a one-off symbol anywhere (including headings), use Insert → Special characters and search the name (multiplication, angle) or draw it.
- Slides: there’s no equation editor, so use Insert → Special characters, or paste from the tool above.
- Forms (quizzes): Google Forms has no equation editor — paste the Unicode symbols in, or add a teacher tool like EquatIO for stacked equations.
Microsoft Word
Two routes, depending on the material:
- Equation editor: press Alt + = to open an equation field, then type LaTeX-like input (
\times,\sqrt,x^2for x²,\leq) — ideal for stacked fractions and full equations. - Alt + X: for a single symbol inline, type the Unicode hex and press Alt + X —
00D7→ ×,2220→ ∠,221A→ √,2264→ ≤.
Windows Alt codes
For plain text fields (a comment box, a filename, an LMS), hold Alt and type on the numeric keypad (Num Lock on): 0215 × · 0247 ÷ · 0177 ± · 8804 ≤ · 8805 ≥ · 8800 ≠ · 8730 √ · 8736 ∠ · 8869 ⊥ · 8741 ∥. If a code returns the wrong character, you’re on the number row — see why Alt codes don’t work.
Mac
macOS has Option shortcuts for some: Option + Shift + = gives ±, Option + , gives ≤, Option + . gives ≥, Option + V gives √, Option + P gives π, Shift + Option + 8 gives °. For the rest (× ÷ ∠ ⊥), open the Character Viewer with Control + Command + Space and search the name, or turn on Unicode Hex Input and hold Option while typing the four-digit hex.
Excel & Google Sheets (gradebooks)
Building a gradebook or a data table? Symbols keep column headers tidy (a ± tolerance, a ✓ column). The formula route survives font changes: =UNICHAR(215) gives ×, 8730 √, 10003 ✓, 8804 ≤. You can also paste symbols straight into a header cell. More: symbols in Google Sheets.
iPad & tablets
Marking on an iPad or teaching from a tablet? The plain-text symbols aren’t on the default keyboard, so copy them from the tool above, or add them as text replacements (Settings → General → Keyboard → Text Replacement) — map xx to × or deg to °. Many teacher apps and PDF markers also have their own symbol pickers. See symbols on iPad for the full method.
Grading marks & rewards
The teacher-specific set, for marking work digitally:
- Check ✓ is Alt + 10003 (heavy ✔ is 10004); cross ✗ is Alt + 10007 (heavy ✘ is 10008); a reward star ★ is Alt + 9733. Full details: check mark symbols.
- In Google Classroom / Docs, you can also mark with comments, the drawing tools, or a rubric — but a pasted ✓ or ✗ works anywhere, including feedback text and spreadsheet columns.
- For self-checking worksheets, a ✓/✗ column in Sheets with =UNICHAR(10003) / =UNICHAR(10007) is quick to set up.
HTML & class websites
If you run a class site or build online quizzes, use HTML entities so the symbols render in any font: × ×, ÷ ÷, ± ±, ≤ ≤, ≥ ≥, ≠ ≠, √ √, π π, ∠ ∠, ⊥ ⊥, ≅ ≅, ° °. Numeric entities (like ∠ for ∠) always work too, and in CSS you’d use the escaped code point, e.g. content:"\2220".
Troubleshooting
| Problem | Fix |
|---|---|
| My × turned into the letter x | You typed x. Use the real multiplication sign (Alt + 0215, or \times in the equation editor). |
| Alt + 8736 does nothing | Num Lock off, or top-row numbers used. Use the numeric keypad, or Word’s 2220 + Alt + X. |
| No numpad on my laptop | Use the Google Docs equation editor, Word’s Alt + X, or copy from the tool above. |
| Symbols vanish in Google Forms | Forms has no equation editor — paste the Unicode symbols, or use an add-on like EquatIO. |
| A symbol shows as a box ▯ | The font lacks the glyph. Switch to Arial, Calibri or Times New Roman. More: symbol showing as a box. |
| Fraction typed as 1/2 in a worksheet | Use a real fraction (½) or the equation editor’s fraction template. See fraction symbols. |
Frequently asked questions
How do you type math symbols in Google Docs?
Go to Insert → Equation to open the math toolbar, then type LaTeX-style commands that auto-convert — \times becomes ×, \geq becomes ≥, \sqrt becomes √, \pi becomes π. For a single symbol anywhere in the document, use Insert → Special characters and search the name.
How do you type × and ÷ instead of x and /?
On Windows, hold Alt and type 0215 for × or 0247 for ÷ on the numeric keypad. In the Google Docs or Word equation editor, type \times and \div. Using the real signs (not the letter x or a slash) keeps worksheets clear and professional.
How do you type geometry symbols like ∠, ⊥ and ∥?
On Windows use Alt + 8736 for ∠ (angle), Alt + 8869 for ⊥ (perpendicular) and Alt + 8741 for ∥ (parallel) on the numeric keypad. In Word, type 2220, 22A5 or 2225 and press Alt + X. In the Google Docs equation editor, type \angle, \perp or \parallel.
How do you add math symbols to a Google Forms quiz?
Google Forms has no built-in equation editor, so paste the Unicode symbols directly into the question or answer text, or install a teacher add-on such as EquatIO to insert stacked equations. Copying from a symbol tool is the quickest option for simple symbols.
How do you mark a check ✓ or cross ✗ on digital student work?
Paste the symbols — ✓ is Alt + 10003 and ✗ is Alt + 10007 on Windows — into your feedback text, or use a spreadsheet column with =UNICHAR(10003) and =UNICHAR(10007). Google Classroom and Docs also offer comments, drawing tools and rubrics for marking.
What are the Unicode and HTML codes for common teacher math symbols?
× is U+00D7 (×), ÷ is U+00F7 (÷), ≤ is U+2264 (≤), ≥ is U+2265 (≥), √ is U+221A (√), π is U+03C0 (π) and ∠ is U+2220 (∠).
Recap
- Google Docs → Insert → Equation, type
\times,\geq,\sqrt,\angle. - Windows → Alt + 0215 ×, 0247 ÷, 8804 ≤, 8730 √, 8736 ∠ (keypad).
- Gradebooks → =UNICHAR(215 / 8730 / 10003…).
- Grading → ✓ Alt + 10003, ✗ Alt + 10007, ★ Alt + 9733.
Written by Igor R.. Tested on Windows 11, macOS, iPad, ChromeOS, Google Docs/Slides/Sheets and Word. Last updated July 2026. Symbol code points follow the Unicode Standard.