Poprawa pracy klasowej - „Liczby i działania” klasa IV
Zadanie 1
Oblicz w pamięci:
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38 + 76 = |
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b) |
48 - 36 = |
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c) |
2 • 27 = |
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23 + 37 = |
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97 - 73 = |
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15 • 4 = |
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64 + 17 = |
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165 - 32 = |
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32 • 20 = |
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243 + 325 = |
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387 - 76 = |
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70 • 6 = |
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59 + 280 = |
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879 - 65 = |
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25 • 40 = |
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150 + 260 = |
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150 - 55 = |
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7 • 50 = |
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640 + 280 = |
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200 - 125 = |
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16 • 3 • 10 = |
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440 + 70 = |
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350 - 151 = |
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4 • 4 • 5 • 5 = |
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d) |
75 : 3 = |
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54 : 6 = |
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100 : 4 = |
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60 : 5 = |
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45 : 15 = |
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175 : 25 = |
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240 : 8 = |
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135 : 45 = |
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248 : 8 = |
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Zadanie 2
Uzupełnij krzyżówkę tak, aby otrzymać poprawne równości ( w poziomie i w pionie ):
a) |
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b) |
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c) |
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d) |
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Zadanie 3
Zapisz potęgi w postaci iloczynu i oblicz:
24 = |
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42 = |
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72 = |
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05 = |
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18 = |
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53 = |
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Zadanie 4
Nad literami A, B, C, D, E wpisz ich wartość liczbową:
Zadanie 5
Oblicz:
36 : 4 + 6 • 5 = |
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(26 - 15) • 6 - 3 • 7 = |
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64 : 8 + 76 = |
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2 • (3 + 5) + 42 = |
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Zadanie 6
Wstaw nawiasy w wyrażeniu 3 • 6 + 4 : 2 tak, aby otrzymać:
a) 15 b) 11 c) 24.
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Zadanie 7
Jakie liczby kryją się pod ?
a) : 5 = 6 reszta 3 |
c) : 20 = 6 reszta 0 |
e) 90 : = 11 reszta 2 |
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b) : 9 = 13 reszta 2 |
d) 46 : = 7 reszta 4 |
f) 121 : = 4 reszta 1 |
Zadanie 8
Ola ma 10 zł i 50 gr. Agata ma 3 razy więcej pieniędzy niż Ola. Ile pieniędzy ma Agata?
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Odp.: …………………………………………………………………………………………………………………………………………………………………………………………………… .
Zadanie 9
Wojtek i Rysiek hodują rybki. Razem mają ich 20. Rysiek ma o 6 rybek więcej od Wojtka. Ile rybek ma Wojtek?
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Odp.: …………………………………………………………………………………………………………………………………………………………………………………………………….
Zadanie 10
Darek ma 3 razy więcej znaczków niż Leszek. Razem mają 72 znaczki. Po ile znaczków ma każdy z nich ?
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Odp.: …………………………………………………………………………………………………………………………………………………………………………………………………….
Zadanie 11
Ewa kupiła maskotkę za 12 zł i trzy jednakowe torebki na prezenty. Z 30 zł otrzymała 9 zł reszty. Ile kosztowała torebka na prezenty ?
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Odp.: …………………………………………………………………………………………………………………………………………………………………………………………………….
Zadanie 12
W czasie wycieczki 28 osób poszło do pizzerii. Pizze dzielono na 4 części. Ile trzeba zamówić pizz, aby każdy dostał 2 kawałki ?
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Odp.: …………………………………………………………………………………………………………………………………………………………………………………………………….
Zadanie 13
Trasa trzydniowej wycieczki rowerowej miała 42 km. Pierwszego dnia trzeba było przejechać 11 km, drugiego o 5 km więcej. Ile kilometrów zostanie do przejechania trzeciego dnia?
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Odp.: …………………………………………………………………………………………………………………………………………………………………………………………………….
Zadanie 14
Robert ma 12 lat, jego siostra Basia jest o 4 lata młodsza. Mama jest cztery razy starsza od Basi, a tata trzy razy starszy od Roberta. Ile razem lat ma cała rodzina ?
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Odp.: …………………………………………………………………………………………………………………………………………………………………………………………………….
Zadanie 15
Jakie liczby kryją się pod literami?