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K-5 Grado 3 Unit 2 Lesson 13

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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

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

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Lesson 13

Warm-up Activity 1 Activity 2

Unit 2, Lesson 13

Encontremos el área de una figura

Grado 3

Warm-up

Conversación numérica: Extendamos formar una decena

Encuentra mentalmente el valor de cada expresión.

Activity 1

Adiós a los cuadrados

¿Qué observas? ¿Qué te preguntas?

A figure for finding area.

Encuentra el área de cada figura. Explica o muestra tu razonamiento.

1.

T-shaped figure. If split horizontally, 2 rectangles. Top, 8 tick marks by 3 tick marks. Bottom, 4 tick marks by 2 tick marks. — 2.

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Activity 2

¿Cuántos adoquines necesitamos?

Noah quiere usar adoquines para hacer un patio pequeño en la huerta comunitaria. Este es un diagrama del patio.

<span>6-sided shape. Straight sides. All side lengths meet at right angles. </span><span>Bottom, 3 ft. Right side rises 2 ft, then goes right 6 ft, up 4 ft. Top side length, 9 ft. Left side length, 6 ft. </span><span> </span>

Cada adoquín cubre 1 pie cuadrado. ¿Cuántos adoquines necesitará Noah para cubrir todo el patio?
¿Cuál es el área del patio? Explica o muestra tu razonamiento.

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Standards Alignment

Building On

Addressing

3.NBT.2

Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

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Standards Alignment

Building On

Addressing

3.MD.7.d

Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

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Building Toward

Standards Alignment

Building On

Addressing

3.MD.7.d

Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

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