Invata matematică cu creionul
Calcule matematice de adunare si scădere , de la clasa pregătitoare pana in clasa a II a. Calcule inspirate din gazeta matematica, revista de cultură matematica pt învățământul primar.
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Question 1 of 10
1. Question
1 pointsDin ce număr scad 28 si obtin 29?Correct
Incorrect
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Question 2 of 10
2. Question
1 pointsPeste 5 ani, Dana va împlini 12 ani si va fi cu 3 ani mai mare decât sora sa, Iulia. Cati ani are fiecare acum?Correct
Incorrect
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Question 3 of 10
3. Question
1 pointsScrie nr 49 ca o sumă de trei termeni, știind că un termen este 14, iar fiecare termen este dublul precedentului.Correct
Incorrect
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Question 4 of 10
4. Question
1 pointsAdauga la rasturnatul nr 76 cel mai mic nr par de două cifre identice. Ce nr ai obținut?Correct
Incorrect
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Question 5 of 10
5. Question
1 pointsCare este predecesorul numărului 90?Correct
Incorrect
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Question 6 of 10
6. Question
1 pointsDaca a-15=23, b-24=13, află a+b=?Correct
Incorrect
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Question 7 of 10
7. Question
1 pointsCâte cifre de 5 se folosesc pt a scrie nr de la 30 la 58?Correct
Incorrect
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Question 8 of 10
8. Question
1 pointsSuma a trei numere consecutive impare este 21. Afla numerele.Correct
Incorrect
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Question 9 of 10
9. Question
1 pointsDin suma nr 12 si 9 scade 5Correct
Incorrect
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Question 10 of 10
10. Question
1 pointsAna are 3 bancnote de cate 10 lei, 5 bancnote de cate 1 leu si 4 monede de cate 50 de bani. Cati lei i-ar mai trebui Anei pemtri a putea obține in schimbul lor o bancnotă de 50 de lei?Correct
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Examples of questions from "Invata matematică cu creionul"
- Ana are 3 bancnote de cate 10 lei, 5 bancnote de cate 1 leu si 4 monede de cate 50 de bani. Cati lei i-ar mai trebui Anei pemtri a putea obține in schimbul lor o bancnotă de 50 de lei?
- Câte cifre de 5 se folosesc pt a scrie nr de la 30 la 58?
- Din suma nr 12 si 9 scade 5
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