一年级下口算---100以内加减法.doc

一年级下口算---100以内加减法

70-30= 53+8= 28+9= 26-20= 30-9=
100-90= 7+48= 38+30= 48-5= 26-18=
30+17= 45+5= 60+24= 79-50= 43-7=
99-93= 6+48= 83+4= 45-3= 60-6=
48-40= 45+8= 5+48= 38-7= 20-3=
13+43= 19+22= 13+39= 50-5= 35-5=
6+50= 18+6= 39+13= 69-30= 58-8=
69-50= 42+30= 50+46= 39-20= 44-10=
87+9= 35+6= 28+5= 57-20= 62-6=
45-15= 17+22= 26+5= 95-50= 34-8=
47-30= 32+3= 68+4= 45-40= 43-41=
58-8= 38+9= 46+4= 68-9= 37-9=
20+3= 46+8= 4+39= 76-50= 52-5=
58-6= 9+73= 7+58= 63-60= 38-9=
70-40= 33+5= 6+27= 43-20= 71-7=
64+9= 32+9=
26+6=
3+27= 47+6=
59+30=
5+65= 18+31=
16+46= 28+20= 3+96= 36+8= 68+3= 8+92= 84+8=
94+4= 18+60=
43+8=
13+56=
75+7= 10+49= 20+69= 23+40=
77+4=
53+9=
40+33=
30+54=
33+40= 20+33=
10+39= 53+20=
24+60= 30+54=
10+88=
18+12= 40+33=
26+20=
39+30=
57+3=
10+66=
40+14=
50+33=
61+10= 83+10=
38+4=
34+30= 50+30= 37+6= 11+60= 3+27= 56-4=
10+50= 52+8= 47+20= 68+15= 56-40=
90-40= 30+14= 64+7= 5+56= 47-13=
90-70= 64+6= 27+4= 30+36= 37-30=
50-30= 18+5= 21+30= 45+10= 65-4=
50+50= 20+68= 10+76= 51+24= 65-4=
60+30= 46+5= 28+4= 69-7= 98-8=
30+70= 76+9= 81+17= 38-16= 88-80=
57-8=
38+50=
50+39= 16+80=
41-40=
68-30=
59-30=
87-40=
85-60=
84-80= 71-30=
95-60=
57-20=
73-40= 99-10=
61-60= 84-10=
83-70=
84-60=
86-30=
21-10=
39-20= 79-40=
88-30=
91-40= 75-50=
87-40=
96-80= 67-9=
26-5= 80-44=
86-7=
52-20=
70-5=
49-19=
73-5=
80-8=
85-20= 67-5= 45+30= 27+8= 28+60= 7+27= 56-8=
10+50= 22+8= 47+20= 38+9= 56-40=
100-40= 59+5= 64+9= 7+56= 37-8=
90-70= 38+6= 27+5= 30+46= 37-20=
50-30= 7+55= 31+30= 45+7= 65-9=
50+50= 6+68= 4+76= 71+8= 65-40=
60+30= 46+6= 8+27= 64-7= 92-8=
30+70= 76+9= 85+7= 34-6= 98-80=
80-20= 45+7= 28+4= 26-7= 30-9=
100-90= 7+47= 28+10= 46-5= 24-7=
35+7= 35+5= 6+26= 77-5= 30-7=
99-5= 6+48= 93+8= 36-3= 60-6=
48-40= 85+8= 7+48= 51-7= 20-3=
3+40= 9+32= 4+39= 63-5= 45-5=
6+50= 4+28= 39+4= 49-30= 58-9=
69-60= 32+30= 4+26= 59-20= 44-7=
70+9= 35+4= 26+5= 57-20= 62-4=
45-9= 8+42= 36+6= 85-50= 36-8=
37-30= 32+8= 48+4= 45-40= 43-4=
28-9= 38+9= 8+45= 68-30= 27-9=
20+3= 36+8= 9+49= 76-50= 52-3=
46-8= 9+73= 8+48= 63-60= 58-9=
70-40= 53+8= 6+27= 43-20= 71-7=
64+9= 52+9=
56+7=
6+27= 37+6=
39+7=
5+66= 5+85=
6+47= 9+55= 5+96= 44+8= 68+7= 8+92= 77+6=
94+4= 8+65=
63+8=
7+56=
35+7= 6+69= 2+49= 3+48=
77+7=
73+9=
30+33=
30+54=
53+40= 20+33=
20+39= 53+20=
34+60= 20+54=
10+88=
10+12= 40+33=
26+20=
39+20=
50+33=
10+66=
40+14=
40+33=
61+10= 83+10=
50+44=
64+40=
8+50=
50+39= 16+80=
51-40=
79-30=
49-20=
67-6=
75-60=
94-80= 91-30=
65-60=
47-20=
93-70= 39-10=
91-60= 44-20=
93-70=
84-60=
86-30=
21-10=
39-20= 79-40=
78-30=
64+9= 52+9=
56+6=
3+27= 37+6=
39+3=
5+65= 8+85=
6+46= 8+55= 5+96= 44+8= 68+3= 8+92= 77+8=
94+4= 8+65=
63+8=
3+56=
35+7= 3+69= 2+49= 3+48=
77+4=
73+9=
30+33=
30+54=
53+40= 20+33=
20+39= 53+20=
34+60= 20+54=
10+88=
10+12= 40+33=
26+20=
39+20=
50+33=
10+66=
40+14=
40+33=
61+10= 83+10=
50+44=
64+30=
28+50=
50+39= 16+80=
51-40=
79-30=
49-30=
67-40=
75-60=
94-80= 91-30=
65-60=
47-20=
93-40= 39-10=
91-60= 44-10=
93-70=
84-60=
86-30=
21-10=
39-20= 79-40=
78-30=
61-40= 65-50=
57-40=
86-80= 57-9=
26-5= 80-4=
76-7=
62-8=
90-5=
29-9=
93-4=
22-8=
75-8= 67-5=
57-8= 26-8=
82-5=
15-6=
64-5=
54-9= 68-9=
85-9=
21-3=
58-9= 82-5=
44-7= 72-3= 46-8=
38+5=
35-8
75+9=
10+16=
50-40=
42-5= 35+6=
13+40=
60-8=
6+36= 59-2=
78+20=
83-8=
4+57=
41-8= 9+67=
73-5=
5+87=
66-9=
25+9=
33-6=
42-7=
63-4=
39+3=
5+65= 8+85=
6+46= 8+55= 5+96= 44+8= 68+3= 8+92= 77+8=
94+4= 8+65=
63+8=
3+56=
35+7= 3+69= 2+49= 3+48=
77+4=
73+9=
30+33=
30+54=
53+40= 20+33=
20+39= 53+20=
34+60= 20+54=
10+88=
10+12= 40+33=
26+20=
39+20=
50+33=
10+66=
40+14=
40+33=
61+10= 83+10=
50+44=
64+30=
28+50=
50+39= 16+80=
51-40=
79-30=
49-30=
67-40=
75-60=
94-80= 91-30=
65-60=
47-20=
93-40= 39-10=
91-60= 44-10=
93-70=
84-60=
86-30=
21-10=
39-20=
61-40= 65-50=
57-40=
86-80= 57-9=
26-8= 80-4=
76-7=
62-8=
90-5=
29-5=
93-4=
22-8=
75-8= 67-8=
57-8=
19+40=
70-20= 53+7= 28+8= 26-2= 30-10=
100-90= 7+46= 28+30= 46-5= 26-6=
30+7= 35+5= 6+24= 79-5= 30-10=
99-9= 6+48= 73+4= 35-3= 60-6=
48-40= 45+8= 5+48= 38-7= 20-3=
3+43= 9+22= 3+39= 56-5= 35-5=
6+50= 8+36= 39+3= 59-30= 58-8=
59-50= 32+30= 5+46= 39-20= 44-7=
80+9= 35+6= 28+5= 57-20= 62-6=
45-5= 7+22= 36+5= 85-50= 34-8=
37-30= 32+3= 68+4= 45-40= 43-4=
58-8= 38+9= 5+45= 68-20= 37-9=
20+3= 46+8= 4+39= 76-50= 52-5=
56-6= 9+73= 7+58= 63-60= 38-9=
70-40= 33+5= 6+27= 43-20= 71-7=
64+9= 32+9=
26+6=
3+27= 47+6=
59+3=
5+65= 8+35=
6+46= 8+26= 5+96= 36+8= 68+3= 8+92= 74+8=
94+4= 8+65=
43+8=
3+56=
75+7= 3+49= 2+69= 3+48=
77+4=
53+9=
40+33=
30+54=
33+40= 20+33=
10+39= 53+20=
34+60= 30+54=
10+88=
10+12= 40+33=
26+20=
39+30=
50+33=
10+66=
40+14=
50+33=
61+10= 83+10=
30+44=
44+30= 40+30= 57+6= 11+60= 3+27= 56-4=
10+50= 52+8= 47+20= 68+5= 56-40=
90-40= 39+4= 64+7= 5+56= 47-3=
90-70= 64+6= 27+4= 30+36= 37-30=
50-30= 8+53= 21+30= 45+8= 65-4=
50+50= 3+68= 4+76= 51+4= 65-40=
60+30= 46+5= 8+24= 69-7= 98-8=
30+70= 76+9= 81+7= 38-6= 98-80=
57-8=
28+50=
50+39= 16+80=
51-40=
79-30=
49-30=
67-40=
75-60=
94-80= 91-30=
65-60=
47-20=
93-40= 39-10=
91-60= 44-10=
93-70=
84-60=
86-30=
21-10=
39-20= 79-40=
78-30=
61-40= 65-50=
57-40=
86-80= 57-9=
26-5= 80-4=
76-7=
62-8=
90-5=
29-9=
93-4=
22-8=
75-8= 67-5=
99-9= 6+48= 67-40=
94-80= 91-30=
94+4= 8+65=
93-70=
93-40= 39-10=
93-4=
93+4= 35-3= 60-6=
91-60= 44-10=
90-70= 38+6= 27+4= 30+46= 37-30=
90-5=
90-40= 59+4