The purpose of this How Many Do You See? is to build on what students know about place value to make 100, using tens and ones in groups of 25. The progression of the four images demonstrates counting by 25. This work will be important in upcoming lessons, where students combine coins to make 100 cents or 1 dollar.
Launch
Groups of 2
“¿Cuántos ven? ¿Cómo lo saben?, ¿qué ven?” // “How many do you see? How do you see them?”
Flash the image.
30 seconds: quiet think time
Activity
Display the image.
“Discutan con su compañero lo que pensaron” // “Discuss your thinking with your partner.”
1 minute: partner discussion
Record responses as an expression, using hundreds, tens, and ones.
Repeat for each image.
¿Cuántos ves? ¿Cómo lo sabes?, ¿qué ves?
Student Response
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Advancing Student Thinking
Activity Synthesis
“Digamos en orden los valores representados por las imágenes” // “Let’s say the value represented by the images in order.” (25, 50, 75, 100)
“¿Qué patrones observaron cuando combinaron los grupos de bloques con el valor representado por los bloques?” // “What pattern did you notice when combining the groups of the blocks and the value the blocks represent?” (When there were 2 groups of 25, the ones made a new ten, with no ones left over. When there were 3 groups of 25, the ones made a new ten, with 5 ones left over. When there were 4 groups of 25, the ones made 2 new tens, with no ones left over.)
Activity 1
Standards Alignment
Building On
Addressing
2.G.A.1
Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces.Sizes are compared directly or visually, not compared by measuring. Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.
The purpose of this activity is for students to learn Stage 2 of the How Are They the Same? center. Students lay six shape cards face up. One student chooses two cards with a common attribute. They show the cards to the group without saying the common attribute. All students draw a different shape that shares an attribute with the two shapes. Then, students take turns sharing the shape they have drawn and the common attribute. Students get a point if they draw a shape that no other student has drawn. Students may find multiple common attributes for the same two shapes. This can lead to an interesting discussion
Launch
Groups of 4
Give each group a set of cards and multiple copies of centimeter dot paper.
“Vamos a aprender una nueva forma de jugar el centro ‘¿En qué se parecen?’” // “We are going to learn a new way to play the How Are They the Same? center.”
“Van a poner 6 tarjetas de figura boca arriba. Un compañero de su grupo va a escoger 2 tarjetas que tengan una característica en común. El compañero le muestra las tarjetas al grupo sin decir cuál es la característica que tienen en común” // “You will lay 6 shape cards face up. One member of your group will pick 2 cards that have an attribute in common. They show the cards to the group, without saying the common attribute.”
“Después, todos los miembros del grupo van a dibujar una figura que comparta una característica con esas 2 figuras. Luego, por turnos, compartan las figuras que dibujaron y la característica en común. Obtienen 1 punto si la figura que dibujaron no la dibujó ninguna otra persona de su grupo” // “Then, all members of the group will draw a shape that has a shared attribute with those 2 shapes. Then, take turns sharing the shape you have drawn and the common attribute. You get a point if you draw a shape that no other person in your group has drawn.”
If needed, play a round with the class.
Activity
10 minutes: partner work time
Monitor for shared attributes that are more challenging for students to notice.
None
Student Response
None
Advancing Student Thinking
Activity Synthesis
Display 2 shape cards.
“¿Qué características en común tienen estas 2 figuras? Dibujen una figura que también tenga esa característica” // “What shared attributes do you notice about these 2 shapes? Draw a shape that also has that attribute.”
The purpose of this activity is for students to choose from activities that focus on working with shapes or adding and subtracting within 20.
Students choose from any stage of previously introduced centers.
How Are They the Same?
Capture Squares
Can You Draw It?
Launch
“Ahora van a escoger centros de los que ya conocemos. Una de las opciones es seguir jugando ‘¿En qué se parecen?’” // “Now you will choose from centers we have already learned. One of the choices is to continue with How Are They the Same?”
Display the center choices in the student book.
“Piensen qué les gustaría hacer primero” // “Think about what you would like to do first.”
30 seconds: quiet think time
Activity
Invite students to work at the center of their choice.
10 minutes: center work time
“Escojan qué les gustaría hacer ahora” // “Choose what you would like to do next.”
10 minutes: center work time
Escoge un centro.
¿En qué se parecen?
Captura cuadrados
¿Puedes dibujarla?
Student Response
None
Advancing Student Thinking
Activity Synthesis
“¿Qué les gustó de las actividades en las que trabajaron hoy?” // “What did you like about the activities you worked on today?”
Lesson Synthesis
“Hoy dibujamos figuras que compartían algunas características. ¿Cuáles de esas características pudieron identificar más fácilmente?, ¿cuáles representaron un mayor reto?" // “Today we drew shapes with shared attributes. What shared attributes could you identify more easily? What shared attributes were more challenging for you to notice?"
Standards Alignment
Building On
Addressing
2.NBT.A.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: