Three robots go out to lunch. One gets a sandwich for $4.50, one gets soup for $2.75, and one gets only a soda for $1.65. How much was their total bill?
$8.90
200
|-16| - 12
4
200
-5 - 10 + 5
-10
200
-4 - 11 - 4
-19
200
-17 + 30
13
200
The price of robot stock rose $25 the first half of the year, then fell $43 the next half. What was the net gain or loss for the year?
$18 loss
300
-7 + |-8|
1
300
-16 + (-17) - 8
-41
300
8 - (-7) + 7
22
300
21 - (+5) - 5
11
300
During robot football, the quarterback ran the ball forward 8 yards on the first down, then lost 15 yards on the next, then lost 3 yards on the third down, and then made a successful 20 yard pass. How many yards did he gain in all?
30 yards
400
|-7| - |-7|
0
400
How do you find the sum of numbers with the same signs
Add the numbers.
Keep the sign.
400
-15 - (-6) - 1
-10
400
A double negative is...
positive
400
Robots prefer to be kept in temperatures at least 17 degrees below zero. In one day, the temperature rose to 7 degrees above zero. By how much was this too high?
24 degrees
500
12 - |-7| - |-3|
2
500
-21 + 14 - 5 + 6
-6
500
-20 - (-15) - (-3)
-2
500
-8 + (-12) + 6 + 8 - (-6)
0
500
One very hungry disgusting robot went to the MMS cafeteria where he ate 12 cookies, 14 pieces of pizza and 150 kernels of popcorn. He then threw up 3 cookies, 5 pieces of pizza, and 98 popcorn kernels. How many pieces of food were left in the robot?