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K-5 Grado 2 Unit 5 Lesson 8

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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

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9-12

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

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Lesson 8

Warm-up Activity 1 Activity 2

Unit 5, Lesson 8

Números de 3 dígitos en la recta numérica

Grado 2

Warm-up

Conteo grupal: Contemos de 10 en 10 y de 100 en 100

None

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Activity 1

Marquemos números de 3 dígitos

¿Qué observas? ¿Qué te preguntas?

Scale 0 to 10. 11 evenly spaced tick marks. First tick mark,0. Last tick mark, 10.

Scale 0 to 100. 11 evenly spaced tick marks. First tick mark, 0. Last tick mark,100.

Scale 0 to 1000. 11 evenly spaced tick marks. First tick mark, 0. Last tick mark,1000.

Ubica y marca 30, 300 y 3 en las rectas numéricas.

Escribe debajo de cada punto el número que representa.

Activity 2

Representemos números de 3 dígitos en una recta numérica

Ubica y marca cada número en la recta numérica. Si te ayuda, escribe el número que corresponde a cada marca.

700
472
940
356
590

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Standards Alignment

Building On

Addressing

2.NBT.2

Count within 1000; skip-count by 2s, 5s, 10s, and 100s.

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Building Toward

Standards Alignment

Building On

Addressing

2.MD.6

Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, …, and represent whole-number sums and differences within 100 on a number line diagram.

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2.NBT.1

Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:

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2.NBT.2

Count within 1000; skip-count by 2s, 5s, 10s, and 100s.

View Full Standard

Building Toward

Standards Alignment

Building On

Addressing

2.MD.6

Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, …, and represent whole-number sums and differences within 100 on a number line diagram.

View Full Standard

2.NBT.1

Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:

View Full Standard

2.NBT.2

Count within 1000; skip-count by 2s, 5s, 10s, and 100s.

View Full Standard

Building Toward