Subtracting Integers
Subtract the integers
7 - 10
-3
You’re running a race and at the very end, you pass the person in 2nd place. What place did you finish the race in?
You finished in 2nd place.
Multiply the integers
-3 x 2
-6
Divide the integers
-15 ÷ 3
-5
Add and Subtract integers
-3 + 6 - 3
0
There are 3 apples in the basket and you take away 2. How many apples do you have now?
You have 2 apples. You took away 2 apples and left 1 in the basket.
Kate’s mother has three children: Snap, Crackle and ___?
Kate! It’s Kate’s mother, after all.
Add the integers
-3+2
-1
Two fathers and 2 sons spent the day fishing, but only caught 3 fish. This was enough for each of them to have one fish. How is this possible?
There were only 3 people fishing. There was one father, his son, and his son's son. This means there were 2 fathers and 2 sons, since one of them is a father and a son.
Divide the integers
-28 ÷ 7
-4
It’s raining at midnight, but the forecast for tomorrow and the next day is clear. Will there be sunny weather in 48 hours?
No, it won’t be sunny because it will be dark out. In 48 hours, it will be midnight again.
What is absolute value?
The distance from zero
Subtract the integers
6- (-4)
10
Add the integers
-5+ (-6)
-11
-7 x -7
49
Divide the integers
-48 ÷ -6
8
Multiply integers
-3 x -3 x 1
9
81 x 9 = 801. What do you need to do to make this equation true?
Turn it upside down. 108 = 6 x 18.
Subtract the integers
-9 - 4 - 1 - (-2)
-12
Add the integers
-12 + (-4) + (-3)
-19
-7 x -6
42
Divide the integers
-84 ÷ -7
12
-2 - (-2) + 2
4
Explain the rule for multiplying and dividing integers
Same sign positive
Diff sign negative
Subtract the integers
-4 - (-6) - 2
0
Add the integers
-20 + 3
-17
Multiply the integers
-2 x -2 x -7
-28
Mrs. Brown has 5 daughters. Each of these daughters has a brother. How many children does Mrs. Brown have?
They have 6 children. Each daughter has the same brother. There are 5 daughters and 1 son.
-5 times -5 divided by 5
5
Explain the rule for adding integers with different signs
Subtract and keep the sign of the biggest (absolute value) number