Phep cong trong pham vi 4

<span class='text_page_counter'>(1)</span>chuyên đề toán-lớp 1 cÊp huyÖn N¨m häc 2012-2013. Giáo viên thực hiện: Đỗ Thị Bé Hà.

<span class='text_page_counter'>(2)</span> TÝnh: 2+1=. 1+2=. 1+1=. 2+1=.

<span class='text_page_counter'>(3)</span>

<span class='text_page_counter'>(4)</span>

<span class='text_page_counter'>(5)</span>

<span class='text_page_counter'>(6)</span> 3. 4 3+1=4 1+3=4. 1.

<span class='text_page_counter'>(7)</span>

<span class='text_page_counter'>(8)</span> Bài 1:Tính 1+3= 2+2=. 4 4. 3+1= 2+1=. 1+1= 1+2=. 4 3. 2 3.

<span class='text_page_counter'>(9)</span> Bµi 2 : TÝnh 2 + 2 4. +. 3. 1 4. +. 1. 2 3. 1 +3 4. 1 +1 2.

<span class='text_page_counter'>(10)</span> Bài 4: Viết phép tính thích hợp. 3 + 1 = 4. 1 + 3 = 4.

<span class='text_page_counter'>(11)</span>

<span class='text_page_counter'>(12)</span>

<span class='text_page_counter'>(13)</span>