口算：

小数加整数

6+3.4=       9.2-6=      2+2.8=      1-0.6=           

小数加小数

0.7+0.3=       0.65-0.25=       1.6-0.4=      4.5+0.5=     0.82-0.42=

0.83-0.5=      3.4-3.1=          0.73-0.23=    3.6+2.4=    2.5+3.2=

0.43-0.3=      0.25+0.75=        9.8-4.8=      1.7+0.4=    0.3+0.7=

0.1-0.01=      0.23+0.35=        1.4-0.8=      0.7+2.8=

小数与小数的乘除法

0.7×0.7=          0.240.2=         3.50.1=        0.20.4=           2.6÷0.2=

0.49÷0.7=         0.24÷0.06=       0.4×0.05=      0.7×0.8=          3.5÷0.7=

0.13×0.4=         4.5÷0.9=         0.2×0.4=       5.4×0.1=          4.8÷0.1=

2.6×0.5=          0.36×0.2=        0.25×0.4=      0.4×1.3=          7.2÷0.8=

7.8÷0.6=           4.5÷0.5=         1.2÷0.3=       1.6÷0.4=          4.5÷0.15=

小数乘整数口算：