Adding
-45 + -68 +2 + -98
-209
-5 - 16 =
-21
32 x 14 =
448
Write an equation for this statement: John walked 5 miles from his house. He stopped for ice creams and walked 2 more miles. Then he turned around and walk back 3 miles before stopping for food. How much did he walk totally?
5 + 2 + 3 = 10 miles
-5 + -2 - 3(4 - 2) =
-13
45 + 6 + - 17
34
What is the rule for subtracting integers or rational numbers?
KCF! Keep the first number, Change the sign to addition, Flip the last number on the number line.
-3 x 2 x -16 =
-96
Miss Nikki finds a 2 foot hole in her yard. Britt digs 4 more feet to plant a tree. How deep is the hole from the surface?
-6 feet
What is the absolute value of -56 TIMES the absolute value of 4?
224
What is the rule for adding two numbers with DIFFERENT signs? For example, -23 + 89 = ?
Different signs while adding means subtract the 2 numbers. Then keep the sign of the larger number.
8 - (-23)
31
-26 x 4 x 2 =
208
A plane is flying 13,245 feet in the air. To avoid a thunderstorm, the pilot decreases his elevation to 8, 430 feet in the air. How much did the pilot decrease the elevation by?
4,815 feet
13,245 - ____ = 8, 430
1/4 + 2/3 x 3/4
9/12 or 3/4
- 3/12 + - 6/12
-9/12 or -3/4
2/5 - (-4/5) =
6/5
-1/2 x -3/4
3/8
Write an equation to solve the statement: Ms. Chelsea buys 30 snickers. Miss Nikki takes 12 of the snickers, but then she gives 10 of them back.
30 - 12 + 10
-24 x ___ = 144
-6
- 45 + ___ + 68 = 175
152
Is 32 - (-6) + 10 = 32 + 6 + 10?
Yes, you would KCF the subtraction so you would have 32 + 6 and then add the 10 to that.
1/4 x 4 x -2/3 =
-2/3
Write and solve the equation for the following statement: Britt hits a golf ball 332 feet. The ball hits a hill and rolls back 24 feet. Britt then putts the ball 14 feet into the 7th hole. How many feet total did Britt it the ball?
332 - 24 + 14= 322 feet
Is - 18 - (-6) = 18 +6?
No, because you would keep the -18 and not change it to a positive.