《2025年华东师大版一课一练一年级数学上册沪教版五四制》

1. 圈一圈,算一算。
$\begin{array}{l}8 + 5 = □ \\\begin{array}{l}\quad\downarrow\quad\downarrow \\\quad□\quad□ \\\quad\downarrow \\\quad□\end{array} □ \\\begin{array}{l}\quad\downarrow\quad\downarrow \\\quad□\quad□ \\\quad\downarrow \\\quad□ \end{array}$
$\begin{array}{l}7 + 4 = □ \\\begin{array}{l}\quad\downarrow\quad\downarrow \\\quad□\quad□ \\\quad\downarrow \\\quad□\end{array} □ \\\begin{array}{l}\quad\downarrow\quad\downarrow \\\quad□\quad□ \\\quad\downarrow \\\quad□ \end{array}$
$\begin{array}{l}2 + 9 = □ \\\begin{array}{l}\downarrow\quad\downarrow \\□\quad□ \\\quad\downarrow\end{array} □ \\\begin{array}{l}\downarrow\quad\downarrow \\□\quad□ \\\quad\downarrow \end{array}$
$\begin{array}{l}6 + 6 = □ \\\begin{array}{l}\downarrow\quad\downarrow \\□\quad□ \\\quad\downarrow\end{array} □ \\\begin{array}{l}\downarrow\quad\downarrow \\□\quad□ \\\quad\downarrow \end{array}$

答案：
8 + 5 = 13
2 3
10
7 + 4 = 11
3 1
10
2 + 9 = 11
1 1
10
6 + 6 = 12
2 4
10

2. 填写计算过程。
$\begin{array}{l}4 + 8 = □ \\\begin{array}{l}\quad\downarrow\quad\downarrow \\\quad□\quad□ \\\quad\downarrow\end{array} □ \\\begin{array}{l}\quad\downarrow\quad\downarrow \\\quad□\quad□ \\\quad\downarrow \end{array}$
$\begin{array}{l}3 + 9 = □ \\\begin{array}{l}\quad\downarrow\quad\downarrow \\\quad□\quad□ \\\quad\downarrow\end{array} □ \\\begin{array}{l}\quad\downarrow\quad\downarrow \\\quad□\quad□ \\\quad\downarrow \end{array}$
$\begin{array}{l}5 + 7 = □ \\\begin{array}{l}\downarrow\quad\downarrow \\□\quad□ \\\quad\downarrow\end{array} □ \\\begin{array}{l}\downarrow\quad\downarrow \\□\quad□ \\\quad\downarrow \end{array}$
$\begin{array}{l}6 + 9 = □ \\\begin{array}{l}\downarrow\quad\downarrow \\□\quad□ \\\quad\downarrow\end{array} □ \\\begin{array}{l}\downarrow\quad\downarrow \\□\quad□ \\\quad\downarrow \end{array}$

答案：
4 + 8 = 12
6 2
10
3 + 9 = 12
7 2
10
5 + 7 = 12
2 3
10
6 + 9 = 15
5 1
10