The purpose of this activity is for students to learn Stage 1 in the center, Five in a Row. Students take turns picking a card and deciding to add 1 or 2 to the number on their card. They place a counter on that sum on the gameboard. The game ends when a player gets 5 counters in a row or the board is filled. 

Students begin to notice that when they add 1 to any number, the sum is the next number in the counting sequence, and when they add 2, the sum is 2 numbers more in the counting sequence (MP7, MP8).

Before playing, students should remove cards that show 10 from their set of cards. The gameboard will be used again in upcoming lessons. Consider copying it on cardstock or laminating it for future use.  

• Display a gameboard with the center column covered with red counters except for the 8 at the bottom.
• Display the number card 6.
• “Este es mi tablero. Acabo de sacar el número 6. ¿Debería sumarle 1 o 2 al número? ¿Por qué?” // “This is my gameboard. I just picked the number 6. Should I add 1 or 2 to the number 6? Why?” (You should add 2 because is 8, and then you could cover the last number in the column and have 5 in a row to win.)

The purpose of this activity is for students to experience center choice time for the first time in this grade. Students choose from any of the previously introduced stages of the listed centers. These centers offer practice counting up to 20 objects or adding within 10. Students are encouraged to choose the center that will be most helpful for them at this time.

• Counting Collections
• Number Race
• Check It Off
• Five in a Row: Addition and Subtraction

Students will choose from these centers throughout this section. Keep materials from these centers organized to use each day.

• “¿Cómo hicieron para trabajar bien hoy con su pareja en los centros?” // “How did you and your partner work well together during centers today?”