what is an important point about this topic?
to take your time and write out your workings as it can be easy to make mistakes
what would you do when a subtract sign is next to a plus
minus because two opposite signs next to each other make a negative.
What would you do when a minus sign is next to a minus sign?
you would add coz two of the same signs next to each other make s positive
how would you figure out the answer to an equation where you are adding to a minus number e.g. -12+4
you would minus the additional number from the minus’s number but keep the minus sign unless it goes above e.g.12-4=8 so -12+4=-8
how would you figure out the answer to an equation where you are taking a number away from a negative e.g.-12-4
you would add the number you’re taking away from the number of the first minus then put a minus Infront of your answer e.g. 12+4=16 so -12-4=-16
how would you minus a larger number form a smaller one e.g.6-23
you would minus the smaller on from the bigger one instead then put a minus sign Infront of your answer e.g. 23-6=17 so 6-23=-17
what is the rule for division and multiplication?
when dividing or multiplying two numbers of the with the same sign the answer will be a positive however if you are dividing or multiplying two number with different signs the answer will be negative.
What is the result of -5 + 3?
-2
True or False: Adding a negative number is the same as subtracting a positive number.
True
Fill in the blank: -7 - (-4) = ____
-3
What is -6 * -3?
18
What is the result of -8 / 2?
-4
True or False: The product of two negative numbers is positive.
True
What is the result of 4 + (-9)?
-5
Fill in the blank: -10 + 5 - 3 = ____
-8
What is -12 - 6?
-18
If a = -4 and b = -2, what is a * b?
8
What is the result of -15 / -3?
5
True or False: Subtracting a negative number increases the value.
True
What is -3 + (-7)?
-10
Fill in the blank: -5 * 4 = ____
-20
What is the result of 6 - (-2)?
8