1. Math oral calculation problems for first-grade pupils
88- 16= 68-52= 88-48= 28-24= 60-8= 89-6 1= 97-69= 49-33= 69-29= 9-5=
89-4 1= 77-69= 49- 13= 49-29= 68-32=
68-48= 28-4= 40-8= 88-76= 68- 12=
48-48= 84-28= 20-8= 88-56= 92-68=
2 1+56= 1+92= 4 1+28= 29+64= 0+ 100=
4 1+36= 13+72= 6 1+8= 49+44= 17+80=
57+ 16= 25+52= 5+88= 5+24= 17+60=
96-88= 1+76= 49+ 12= 29+48= 10+84=
18+20= 22+56= 2+92= 18+28= 34+64=
17+4= 57+40= 3+9 1= 17+27= 13+63=
1+99= 1+35= 18+7 1= 13+39= 7+75=
9+ 1 1= 3+47= 16+83= 80+ 19= 15+55=
4+9 1= 2 1+27= 2+92= 18+28= 34+64=
1+ 100= 26+36= 6+72= 5+87= 56+23=
8+26= 2+62= 28+63= 1+99= 10+35=
5+7 1= 58+7= 47+43= 12+79= 60+ 15=
34+5 1= 4+77= 77+ 13= 48+49= 13+85=
2+2 1= 28+57= 2+93= 49+29= 3+65=
49+ 1= 1 1+37= 5 1+38= 27+22= 47+53=
2. First-grade primary school students' math oral math problems
85- 19= 99-2 1= 79-57= 93-59= 6 1-39= 97- 19= 99-33= 79-69= 59-5= 4 1-39=
40-6= 99- 13= 79-49= 85-59= 39-2 1=
57- 19= 99-93= 79-29= 65-59= 40- 1=
37-20= 73-68= 48-8= 44-28= 80-8=
38+40= 18+76= 58+ 12= 30+48= 2+84=
58+20= 30+56= 48-28= 96-28= 32-8=
88-68= 68-4= 48-40= 76-29= 12-9=
89-48= 13+83= 2+ 19= 45+55= 7+9 1=
2 1+27= 35+63= 1+99= 56+35= 2 1+7 1=
19+59= 5+95= 67+3 1= 17+67= 40+3=
2 1+39= 25+75= 60+ 1 1= 4+96= 18+80=
62+ 14= 32+46= 19+79= 4 1+ 15= 20+5 1=
12+87= 14+23= 37+59= 1+95= 50+3 1=
30+67= 97+3= 16+39= 16+75= 26+ 1 1=
6+80= 2+98= 4+34= 26+70= 1 1+82=
39+54= 5+90= 67+26= 15+62= 1+98=
3+70= 65+6= 1+42= 33+ 10= 49+46=
10+86= 67+22= 5+58= 3+94= 55+30=
15+66= 77+2= 3+38= 23+74= 15+ 10=
3. First-grade primary school students' math oral calculation questions
4+96= 64+32= 32+68= 40+4= 8+40= 1+76= 78+8= 42+44= 6+80= 50+ 16=
42+52= 10+88= 18+24= 27+60= 3+96=
33+3 1= 10+67= 57+3= 1 1+39= 7+75=
77- 19= 49+ 12= 37+48= 1+84= 9+20=
17+7= 15+43= 8 1+ 1 1= 4 1+47= 13+83=
1 1+ 19= 27+55= 7+9 1= 18+27= 2 1+63=
1+99= 47+35= 28+3= 7+39= 22+75=
47+ 1 1= 6+47= 94+6= 12+74= 64+ 10=
26+46= 6+82= 1+96= 4 1+32= 9+68=
23+47= 15+83= 7+ 19= 4 1+55= 16+78=
48+ 14= 14+50= 66+ 18= 38+54= 4+90=
52+26= 24+62= 2+98= 22+34= 14+70=
72+6= 34+42= 44+38= 16+74= 74+ 10=
54+46= 16+82= 50+ 18= 10+54= 4+90=
3 1+46= 10+34= 14+70= 44+6= 48+42=
4+78= 8+ 14= 24+50= 4+86= 60+22=
2+98= 10+34= 2+70= 37+6= 15+42=
5+78= 3 1+ 13= 15+8 1= 82+ 17= 16+53=
3+89= 63+25= 10+6 1= 2+97= 66+33=