8 Dodawanie typu 12+3; 19+1
Oblicz. Możesz pomagać sobie patyczkami, monetami, liczydłem.
1+2 = |
5 + 2 = |
3 + 4 = | |||
11+2 = |
15 + 2 = |
13 + 4 = | |||
1 +5 = |
6 + 2 = |
5 + 3 = | |||
11 +5 = |
16 + 2 = |
15 + 3 = | |||
4 + 3 = |
7 + 1 = |
8 + 2 = | |||
14 + 3 = |
17 + 1 = |
18 + 2 = |
Oblicz. Możesz pomóc sobie licząc kroki na linijce.
11 +6 =
10 11 12 13 14 15 16 17 18 19 20
—i-1-1——_—i_i_i_i_i_i_i_i
11 +3 = |
14 + 4 = |
13 + 6 = | |||
12 + 2 = |
15 + 2 = |
14 + 5 = | |||
12 + 5 = |
11+8 = |
15 + 4 = |
10 11 |
12 |
. LO . . ^ . - CO - |
16 |
17 18 19 |
20 |
u C\J I "3" |
15-4 = |
18-4 = | |||
13-2 = |
18-3 = |
17-3 = | |||
u co I co T— |
17-4 = |
16-2 = |