第3节 存零用钱(1)
口算基础篇
1.4+3.1=
4.3+4.4=
5.3+3.5=
1.4+2.2=
2.3+5.2=
4.1+2.3=
2.6+6.2=
7.2+1.5=
2.7+6.1=
6.1+3.2=
6.2+2.4=
4.1+3.6=
1.2+2.6=
1.4+2.3=
9.3-1.1=
6.8-3.3=
8.8-1.7=
5.9-5.8=
6.6-3.6=
6.8-5.4=
7.7-5.6=
7.8-7.3=
9.6-6.6=
4.3-3.1=
7.4-5.3=
7.7-4.2=
9.7-5.3=
6.8-5.4=
38.2+21.8=
87.8+52.4=
39.4+5.56=
62.7+48.3=
28.3+86.0=
38.8+26.2=
78.8+37.7=
47.9+37.9=
73.3+89.7=
98.2+23.6=
29.9+20.2=
35.4+47.9=
38.3+89.9=
53.3+26.9=
速算拓展篇
◎妈妈买菜和肉共用去24.5元,还剩下23.3元,妈妈共带了多少元?
月 日 自我评价: 家长签字:
第3节 存零用钱(2)
口算基础篇
2.3+3.6=
4.1+2.4=
4.3+3.1=
4.6+1.3=
3.6+4.2=
1.4+8.4=
1.5+7.2=
3.4+2.3=
6.6+2.2=
5.1+1.6=
3.8+3.1=
2.1+5.7=
4.7+1.1=
2.5+1.3=
7.2-4.1=
6.6-5.6=
6.5-2.1=
3.3-2.2=
7.5-4.3=
4.4-3.3=
8.5-3.4=
5.6-3.5=
9.8-5.8=
6.5-2.3=
4.5-3.0=
9.4-9.0=
8.7-2.6=
5.9-3.1=
78.8+26.3=
86.2+65.0=
77.6+9.37=
67.8+64.9=
36.9+64.2=
64.1+69.3=
35.9+29.8=
52.5+8.7=
18.8+35.2=
85.2+87.4=
64.2+88.9=
46.5+43.5=
26.9+53.8=
57.5+79.1=
速算拓展篇
◎一束菊花14.5元,一束玫瑰花22.4元,两种花各买一束,需要多少钱?
月 日 自我评价: 家长签字:
参考答案
第3节 存零用钱(1)
口算基础篇 4.5 8.2 60 8.7 3.5 140.2 8.8 7.1 44.96 3.6 0.1 111 7.5 3 114.3 6.4 1.4 65 8.8 2.1 116.5 8.7 0.5 85.8 8.8 3 163 9.3 1.2 121.8 8.6 2.1 50.1 7.7 3.5 83.3 3.8 4.4 128.2 3.7 1.4 80.2
速算拓展篇 24.5+23.3=47.8(元)
第3节 存零用钱(2)
口算基础篇 5.9 3.1 105.1 6.5 1 151.2 7.4 4.4 86.97 5.9 1.1 132.7 7.8 3.2 101.1 9.8 1.1 133.4 8.7 5.1 65.7 5.7 2.1 61.2 8.8 4 54 6.7 4.2 172.6 6.9 1.5 153.1 7.8 0.4 90 5.8 6.1 80.7 3.8 2.8 136.6
速算拓展篇 14.5+22.4=36.9(元)