Integer Operations- Are they correct and why?

Integer Operations- Are they correct and why?

7th Grade

14 Qs

quiz-placeholder

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Integer Operations- Are they correct and why?

Integer Operations- Are they correct and why?

Assessment

Quiz

Mathematics

7th Grade

Medium

Created by

Patrick Armstrong

Used 135+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

-14 - 20 = -6

Yes because when you subtract 20 from 14 you are left with 6.

Yes because the -20 is larger so the answer is -6.

No because the answer should be positive because of the 2 negative numbers.

No because when you keep change change then -14 + (-20) = -34.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

-5 X -3 = -15

Yes because 5 times 3 is 15.

No because when you multiply a negative by a negative your answer is positive.

No because the answer is 8.

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

-5 1/2 + (-2 3/4) = -8 1/4

Yes because same signs then you add the numbers together.

No because you need to keep change flip the second fraction.

Yes because the common denominator is 4.

No because you do not have common denominators.

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4.2 - 8.36 = -12.56

No because they are different signs so you have to subtract.

No because when you line up the 2 and the 6 the answer is -7.94

Yes because when you have different signs the answer is negative.

Yes because keep change change means you change the -8.36 to a positive 8.36.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is better for you candy or fruit?

Fruit

Candy

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

-4.5 X 7 = 31.5

Yes because 4.5 times 7 is 31.5.

Yes because a negative times a positive equals a negative answer.

No because -45 X 7 equals -315.

No because a negative times a positive equals a negative answer.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

-3.2 X .24 has 3 decimal places.

No they only have 1 because -3.2 only has one and it is the first number.

No because when you line up the decimals on top of each other you have to write in a 0 for place value then there are 2 decimal places in each number.

Yes because when you count there are 3 total with both numbers.

Yes because there is a 3 in -3.2

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