Събиране и изваждане на рационални числа. Разкриване на скоби

Събиране и изваждане на рационални числа. Разкриване на скоби

6th Grade

5 Qs

quiz-placeholder

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Събиране и изваждане на рационални числа. Разкриване на скоби

Събиране и изваждане на рационални числа. Разкриване на скоби

Assessment

Quiz

Mathematics

6th Grade

Medium

Created by

Mariana Garbidjanova

Used 6+ times

FREE Resource

5 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

👉 Въпрос № 1 Какъв е резултатът от: (-12) + (-4) ?

Answer explanation

(-12) + (-4) = -16, защото събираме две отрицателни числа.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

👉 Въпрос № 2

Кое е вярно преобразуване на израза: −2 . (3−5)?

A) −2 . 3−2 . (−5)=−6 + 10 = 4

Б) −2 . 3−2 . (−5) = − 6 + 10= -16

В) −2 . 3 + (−2) . 5 = − 6 − 10 = −16

Г) −2 . (3−5) = −2 . 2 = −4

Answer explanation

(3 - 5) = -2

-2 . (-2) = 4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

👉 Въпрос 3

„Кое е вярното?“
(−6) + (+4) = ?

  • - 2

2

-10

10

4.

FILL IN THE BLANK QUESTION

45 sec • 2 pts

👉 Въпрос 4

„Изчисли: (−12) − (−15) = ____

5.

OPEN ENDED QUESTION

1 min • 3 pts

👉 Въпрос 5 (по-труден, Open Ended)

„Реши израза: −2 . (7−11) + (−5)

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