Mental maths. Simple level exercises. Яна Малова
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12 SECTION (DOUBLE FIGURES 80+, +80)
80+1=
18+80=
80+15 =
12+80=
80+6 =
14+80=
80+2=
17+80=
80+19 =
80+4 =
15+80=
4+80=
16+80=
80+5 =
80+16 =
80+9 =
80+12 =
11+80=
80+13 =
7+80=
80+14 =
80+7 =
3+80=
80+18 =
1+80=
2+80=
6+80=
80+17 =
5+80=
80+3 =
80+10 =
8+80=
13+80=
80+11 =
9+80=
10+80=
80+8 =
19+80 =
13 SECTION (DOUBLE FIGURES 90+, +90)
7+90 =
9+90 =
3+90 =
90+1 =
90+6 =
8+90 =
90+2 =
90+4 =
2+90 =
4+90 =
5+90 =
90+7 =
90+3 =
6+90 =
1+90 =
90+8 =
90+5 =
90+9 =
3 VARIANT
1 SECTION (NUMBERS 1 – 5)
5+1 =
2+1 =
4+5 =
5+2 =
2+2 =
5+4 =
2+5 =
1+1 =
5+3 =
1+3 =
1+2 =
3+5 =
3+1 =
1+5 =
1+2 =
5+2 =
5+1 =
1+1 =
2+2 =
3+1 =
4+5 =
1+7 =
7+1 =
6+3 =
6+2 =
1+6 =
1+5 =
2+1 =
1+8 =
2+6 =
2+5 =
8+1 =
5+3 =
6+1 =
5+4 =
3+6 =
1 +3 =
7+2 =
3+5 =
2+7 =
20+50 =
50+30 =
10+20 =
50+10 =
30+10 =
50+40 =
10+50 =
30+50 =
20+10 =
50+20 =
20+20 =
40+50 =
10+30 =
10+10 =
60+30 =
10+60 =
30+60 =
10+80 =
50+40 =
30+10 =
10+50 =
70+10 =
40+50 =
10+70 =
10+10 =
20+60 =
30+50 =
20+70 =
20+50 =
50+20 =
60+20 =
80+10 =
50+30 =
10+20 =
10+30 =
60+10 =
20+20 =
20+10 =
50+10 =
70+20 =
5 SECTION (DOUBLE FIGURES 10+, +10)
10+4 =
10+52=
10+53=
10+44=
10+40=
10+1 =
10+23=
10+24=
10+79=
10+42=
10+6 =
10+8 =
10+30=
10+43=
4+10 =
10+63=
11+10=
10+41=
10+57=
10+10 =
12+10 =
10+54=
10+58=
13+10 =
7+10 =
10+55=
14+10=
3+10 =
10+61=
17+10 =
10+7 =
15+10 =
10+5 =
2+10 =
10+9=
10+20 =
10+22=
10+60=
10+14 =
19+10 =
10+50=
10+29=
10+11 =
10+56=
10+78=
10+85=
10+38=
24+10 =
10+13 =
10+76=
29+10 =
10+69=
10+31=
10+34=
5+10 =
1+10 =
10+77=
10+80=
10+81=
10+82=
10+32=
27+10 =
8+10 =
10+17 =
10+25=
10+26=
6+10 =
10+28=
10+33=
10+27=
72+10 =
10+12 =
10+18 =
71+10 =
10+19=
10+65=
31+10 =
80+10 =
69+10 =
35+10 =
28+10 =
10+36=
20+10 =
10+37=
10+67=
10+46=
22+10 =
10+47=
25+10 =
10+48=
16+10 =
51+10 =
10+49=
68+10 =
32+10 =
36+10 =
10+70=
10+72=
10+73=
10+74=
23+10 =
39+10 =
44+10 =
89+10 =
10+51=
10+15 =
10+2 =
10+3 =
9+10 =
10+16 =
53+10 =
10+59=
10+62=
10+64=
84+10 =
74+10 =
10+68=
10+75=
10+83=
34+10 =
46+10 =
55+10 =
57+10 =
10+84=
10+86=
10+87=
10+89=
48+10 =
18+10 =
52+10 =
81+10 =
10+66=
33+10 =
10+35=
21+10 =
10+71=
41+10 =
77+10 =
10+88=
10+21=
10+39=
10+45=
26+10 =
30+10 =
38+10 =
56+10 =
37+10 =
45+10 =
47+10 =
63+10 =
82+10 =
64+10 =
78+10 =
40+10 =
79+10 =
62+10 =
88+10 =
42+10 =
87+10 =
58 +10 =
59+10 =
43+10 =
49+10 =
50+10 =
54+10 =
60+10 =
76+10 =
65+10 =
75+10 =
66+10 =
70+10 =
83+10 =
73+10 =
67+10 =
61+10 =
86+10 =
85+10 =