Fundamental operations on integers

Which of the following addition sentences will give you a positive sum?

 

• A. -7 + -8 = N

• B. -7 + +8 = N

• C. +7 + -8 = N

• D. +7 + +8 = N

Which of the following statements is FALSE?

.

• A. Adding two negative integers together sometimes gives a positive sum.

• B. Two positive integers added together always results in a positive sum

• C. Two negative integers combined is equal to a negative sum.

• D. The sum of two integers with like signs follows the same sign as the addends.

) You took away 5 negative counters from a group of 6 negative counters. How many negative counters were left?

• A. -1

• B. 0

• C. 11

• D. -11

Xav placed 10 positive counters on the table. Ella, her friend, took away 4 positive counters. How many positive counters were left on the table?

• a. 8

• B. 6

• C. 14

• D. 40

) Which number sentence will give you a positive product?

• A. –18 x –6 = N

• B. –12 x +2 = N

• C. +6 x –2 = N

• D. all choices are correct

Find the value ) –32 x –2 = N

• -64

• +64

• 34

• -34

what is –50 ÷ 5 = N

• a. 150

• b. -250

• c. 250

• d. -150

find the value of N in the equation: + 64 ÷ +8 = N

• a. 6

• b. -7

• c.8

• d-.9