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The purpose of this How Many Do You See? is to allow students to subitize or use grouping strategies to describe the images they see (MP7). They may additionally make use of structure (MP7) because in successive images the arrangement of dots remains the same, but some dots are removed.
¿Cuántos ves?
¿Cómo lo sabes?, ¿qué ves?
The purpose of this activity is for students to represent subtraction with objects. Students connect the action of subtraction with the language “take away.”
Cuenta 8 fichas.
Quita 3.
Quedan
fichas.
Cuenta 10 fichas.
Quita 6.
Quedan
fichas.
Cuenta 7 fichas.
Quita 1.
Quedan
fichas.
Cuenta 9 fichas.
Quita 3.
Quedan
fichas.
5-Frames Stages 1 and 2 Recording Sheet
Number Mat 1-5
The purpose of this activity is for students to learn Stage 2 of the 5-Frames center. Students represent subtraction with objects. Students begin with 5 counters on a 5-frame. Students then roll a connecting cube onto a number mat to see how many counters to take away. After they take some counters away, they figure out how many counters are left.
None
The purpose of this activity is for students to choose from activities that offer practice adding and subtracting with objects and images, writing numbers, and describing and building with shapes.
Students choose any previously introduced stage from these centers:
Escoge un centro.
Tableros de 5
Lanza y suma
Mi mate-libreta
Construcción de torres
3 fichas amarillas y 4 fichas rojas es 7 fichas.
3 y 4 es 7.
Agregamos cosas.
Hay 5 fichas en el tablero de 5.
Agregamos 4 fichas más.
5 y 4 es 9.
Restamos.
Hay 5 fichas en el tablero de 5.
Quitamos 2.
Tengo 5 y quito 2, quedan 3.