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K-5 Grado 1 Unit 7 Lesson 5

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•K-5 Math 6-8 Math 9-12 Math

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Kínder •Grado 1 Grado 2 Grado 3 Grado 4 Grado 5

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Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 •Unit 7 Unit 8

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Lesson 1 Lesson 2 Lesson 3 Lesson 4 •Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18

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9-12

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Grado 3
Grado 4
Grado 5

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Unit 5
Unit 6
Unit 7
Unit 8

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IM K-5 Math
IM 6-8 Math
IM 9-12 Math

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Lesson 5

Warm-up Activity 1 Activity 2 Activity 3

Unit 7, Lesson 5

Algunos triángulos, todos los triángulos

Grado 1

Warm-up

¿Cuáles 3 van juntas?

Closed shape. 4 curved equal length sides. 4 points. — A

2 triangles, touching at one point. — B

Closed shape. 3 straight sides. 1 square corner. — C

Open shape, 3 corners. — D

Activity 1

Estos son triángulos.

¿En qué se parecen todos estos triángulos?
Estos no son triángulos.

¿Qué hace que estas figuras sean diferentes a los triángulos?

Activity 2

Escoge 3 puntos. Une los puntos.
Dibuja 3 triángulos diferentes.
Dibuja 3 figuras diferentes que no sean triángulos.

Activity 3

Escoge un centro.

Bloques sólidos geométricos

¿En qué se parecen?

Compara

Center. Compare.

Contar colecciones

Center activity. Counting Collections.