《2025年单元自测试卷二年级数学上学期人教版》

一、口算。(15分)
$24 ÷ 4 =$ $12 ÷ 4 =$ $16 ÷ 4 =$ $12 ÷ 6 =$ $2 × 5 =$
$18 ÷ 3 =$ $12 ÷ 2 =$ $6 × 4 =$ $5 × 3 =$ $4 × 4 =$
$4 ÷ 4 =$ $8 ÷ 2 =$ $9 ÷ 3 =$ $10 ÷ 2 =$ $15 ÷ 3 =$

答案： 6 3 4 2 10
6 6 24 15 16
1 4 3 5 5

二、算一算。(10分)

 

答案： 6 5 4 3 2
2 3 4 5 6

1. 在$ ◯$里填上“$+$”“$-$”“$×$”或“$÷$”。
$16 ◯ 4 = 4$ $24 ◯ 6 = 30$ $12 ◯ 2 = 10$
$18 ◯ 3 = 15$ $20 ◯ 5 = 4$ $15 ◯ 5 = 20$
$18 ◯ 3 = 6$ $9 ◯ 3 = 27$ $12 ◯ 2 = 6$
$5 ◯ 6 = 30$ $8 ◯ 2 = 4$ $3 ◯ 3 = 9$
$4 ◯ 4 = 16$ $30 ◯ 5 = 25$ $4 ◯ 6 = 24$

答案： ÷ + -
÷ +
÷ × ÷
× ÷ ×
× - ×