Word Detective
Aligned to L.K.4 — Common Core State Standards for English Language Arts.

What this lesson teaches
You can figure out what a new word means by thinking about the story.
Worked examples
Example 1
If a word is 'jumping,' you can find 'jump' inside it and know it means to hop.
Example 2
If a word is 'unhappy,' you can find 'happy' inside it — and 'un' flips it to mean not happy.
Example 3
'Played' has 'play' inside it, plus an ending that tells you it already happened.
Practice questions
- Find a little word inside a big word.
- Guess what a new word means.
- How does the story help you know?
Watch the lesson
Every lesson comes with a video taught in English and Spanish — the same video the QR code in the printed workbook opens.
▶ Watch this lessonEn español
Detective de Palabras
Puedes descubrir qué significa una palabra nueva pensando en el cuento.
Ejemplo 1: Si una palabra es 'saltando', puedes encontrar 'saltar' adentro y saber que es brincar.
Ejemplo 2: Si una palabra es 'infeliz', puedes encontrar 'feliz' adentro — y el 'in' la voltea para decir no feliz.
Ejemplo 3: 'Jugaba' tiene 'jugar' adentro, con una terminación que te dice que ya pasó.
More Language lessons
Teach this lesson today
An AI tutor that guides with questions instead of just giving answers — all K–12 core subjects, every child in the family.
Start free — no card required