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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 6 - Mathematics
2.10 Integers: Four Basic Operations Using Signed Numbers - Table

AdditionAnswerExample
Sum of two positive integersis always a positive number 4 + 5 = 9
Sum of a positive and negative integeris either
positive or a
negative number
3 + -4 = -1
8 + -2 = 8 - 2 = 6
Sum of a negative and positiveis either
positive number or a
negative number
-3 + 4 = 1
-6 + 2 = -4
Sum of a two negative integersis always a negative number -3 + -4 = -7
-6 + -2 = -6 - 2 = -8
SubtractionAnswerExample
Difference of two positive integersis either positive or a negative number 7 - 5 = 2
5 - 7 = -2
Difference of a positive and negative integeris always positive number 3 - -4 = 3 + 4 = 7
6 - -2 = 8
Difference of a negative and positive integeris always negative number -3 - +4 = -3 - 4 = -7
-8 - +2 = -8 - 2 = -10
Difference of a two negative integersis either positive or a negative number -3 - -4 = -3 + 4 = 1
-6 - -2 = -6 + 2 = -4
MultiplicationAnswerExample
Product of two positive integersis always a positive number 4 x 5 = 20
Product of a positive and negative integeris always a negative integers 3 x -4 = -12
Product of a negative and positive integeris always a negative number -3 x 4 = -12
Product of a two negative integersis always a positive number-3 x -4 = 12
-6 x -2 = 12
DivisionAnswerExample
Quotient of two positive integersis always a positive number 12/3 = 4
Quotient of a positive and negative integeris always a negative number 12/-4 = -3
Quotient of a negative and positive integeris always a negative number-12/4 = -3
Quotient of a two negative integersis always a positive number -12/-4 = 3

Example:
7 + -5
7 is bigger than 5, answer will be positive
Operation: subtract 7 + -5 = 7 -5 = 2

7 + -9
9 is bigger than 7 so the answer's sign is negative
operation is subtraction
7 + -9 = 7 - 9 = -2

-5 - (-7) = -5 + 7
7 is greater than 5 the answer's sign is negative
operation is subtraction
-5 + 7 = 7 - 5 = +2

Directions: Evaluate the following expressions. Also write at least five examples of your own for each case.
Q 1: (-20) -5 =
-5
-4
4

Q 2: (-6) - (-8) = -6 + 8 =
3
-3
2

Q 3: (-7) - +6 = -7 - 6 =
-1
13
-13

Q 4: (-65) 130 =
1/4
-1/2
-2

Q 5: (-4) x -5 =
20
45
-20

Q 6: 45 -9 =
4
-5
-4

Q 7: (-4) + 9 =
-5
6
5

Q 8: (-7) + -5 =
-10
-9
-12

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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