Integer operations review

56/-8

• -8

• 7

• -7

• 48

Answer explanation

your signs are different which means your answer will be negative. 56 divided by 8 is 7. Your answer is -7.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-121/-11

• 11

• -11

• 10

• -100

Answer explanation

Your signs are both negative. When you have two numbers with the same signs then our answer is always positive. 121 divided by 11 is 11. Our asnwer then is 11.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-9 x -9

• 0

• 1

• -81

• 81

Answer explanation

we have two negative signs and when our signs are the same our answer is always positive. 9 multiplied by 9 is 81. so -9 x -9 = 81

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

6 x 5

• -30

• 30

• 11

• -1

Answer explanation

Our number are both positive. when we are multiplying or dividing if we our signs are the same then our answer will be positive. 6 times 5 is 30. our answer is 30

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

66/6

• -11

• 0

• 11

• -6

Answer explanation

Our signs are both positive and when we are multiplying or dividing the rule is when our signs are the same our answer is positive. 66 divided by 6 is 11. The answer is 11.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-70/14

• -5

• 5

• -4

• 6

Answer explanation

When we look at -70/14 we notice that we have one negative number and one positive number. when we have different signs our answer is always negative. Then we do the math 70 divided by 14 and that is 5. so -70/14 = -5

Tags

CCSS.7.NS.A.2B

-13 x 4

• 52

• -50

• 48

• -52

Answer explanation

we have -13 times 4 we see that our signs our different so we know our answer will be negative. we multiply 13 by 4 to get 52. So our answer to -13 x 4 = -52

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-144/12

• 12

• 1

• 2

• -12

Answer explanation

Our signs are different which means our answer will be negative. 144 divided by 12 is 12. So, -144 / 12 = -12

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

15 x -3

• -12

• -30

• -45

• 45

Answer explanation

Our signs are different making our answer negative. 15 multiplied by 3 is 45. our final answer is -45

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-18 - 22

• -40

• 40

• -4

• 4

Answer explanation

We keep the first integer the same. we then change the subtraction sign to an addition sign and then make the second integer its additive inverse. Now our problem looks like -18 + (-22).

Our signs are the same so we keep them and then we add the numbers. out final answer is -40

Tags

CCSS.7.NS.A.1C