172. Kirjuta neli ülesannet.
Pane tähele
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174. Täienda ülesannet. Arvuta.
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177. Lahenda ülesanne.
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Bussis on reisijat.
Peatuses tuleb kaks reisijat juurde.
Mitu reisijat on nüüd bussis?
178. Kirjuta puuduv liidetav.
+ | ||
10 | 1 | = 11 |
10 | = 14 | |
10 | = 13 | |
10 | = 15 | |
10 | = 12 |
+ | ||
11 | = 14 | |
11 | = 12 | |
11 | = 15 | |
11 | = 13 |
+ | ||
12 | = 15 | |
11 | = 13 | |
13 | = 15 | |
11 | = 14 | |
14 | = 15 |
179. Mitu käbi jäi alles? Arvuta.
Pane tähele
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182. Lahenda ülesanne.
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Henri suusatas pargis 15 ringi.
Kaarel suusatas viis ringi vähem.
Mitu ringi suusatas Kaarel?
183. Kirjuta puuduv vähendaja.
– | ||
15 | 5 | = 10 |
12 | = 10 | |
14 | = 10 | |
11 | = 10 |
– | ||
13 | = 12 | |
14 | = 11 | |
15 | = 12 |
– | ||
14 | = 12 | |
15 | = 13 | |
13 | = 11 | |
15 | = 11 |
186. Arvuta. Mis puud on pildil?
7 | + | 3 | = | A | |
10 | + | 4 | = | D | |
13 | + | 2 | = | S | |
10 | + | 2 | = | N |
15 | – | 2 | = | Ä | |
10 | – | 5 | = | U | |
15 | – | 4 | = | K | |
10 | – | 1 | = | M |
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9 | 13 | 12 | 14 | |
11 | 5 | 5 | 15 | 11 |
11 | 10 | 14 | 10 | 11 | 10 | 15 |