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K-5 Grado 2 Unit 4 Lesson 11

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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 Unit 9

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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 11

Warm-up Activity 1 Activity 2

Unit 4, Lesson 11

Distintas formas de sumar y de restar

Grado 2

Warm-up

Encuentra mentalmente el valor de cada expresión.

Activity 1

Diego y Tyler encuentran el valor de . Este es su trabajo.

El método de Diego:

<p>Number line. Scale 0 to 55 by 5's. Evenly spaced tick marks. Arrow from 53 to 33, labeled 20. Arrow from 33 to 30, labeled 3. Arrow from 30 to 24, labeled 6.</p>

El método de Tyler:

<p>Number line. Scale 0 to 55 by 5's. Evenly spaced tick marks. 3 arrows. First arrow, 53 to 50, labeled 3. Second arrow, 50 to 44, labeled 6. Third arrow, 44 to 24, labeled 20.</p>

Usa el método de Diego para encontrar el valor de .
Usa el método de Tyler para encontrar el valor de .

Activity 2

Compañero A

Encuentra el valor de .
Encuentra el valor de .

Compañero B

Encuentra el valor de .
Encuentra el valor de .

School supplies.