Number and Shape Patterns
Aligned to 4.OA.C.5 — Common Core State Standards for Mathematics.
What this lesson teaches
A pattern follows a rule that tells you how to get the next term. After you build a few terms, you can often notice extra features the rule did not mention, like 'these numbers are all even.'
Worked example
Rule: start at 3 and add 5 each time. Terms: 3, then 3+5=8, then 8+5=13, then 13+5=18, then 18+5=23. Pattern: 3, 8, 13, 18, 23. Extra feature not in the rule: the ones digits switch between 3 and 8.
Practice questions
- Rule: start at 2 and add 4. Write the first six terms.
- Rule: start at 1 and multiply by 2 each time. Write the first five terms and tell one feature you notice.
- A shape pattern goes triangle, square, triangle, square. What is the 9th shape? Explain the rule you used.
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
Patrones de numeros y figuras
Un patron sigue una regla que te dice como obtener el siguiente termino. Despues de formar unos cuantos terminos, a menudo puedes notar caracteristicas extra que la regla no menciono, como 'todos estos numeros son pares.'
Ejemplo: Regla: empieza en 3 y suma 5 cada vez. Terminos: 3, luego 3+5=8, luego 8+5=13, luego 13+5=18, luego 18+5=23. Patron: 3, 8, 13, 18, 23. Caracteristica extra que no esta en la regla: la cifra de las unidades cambia entre 3 y 8.
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