Arrange the rational numbers in order from least to greatest.
2 1/3, 5, -2, 4/3
What is -2, 4/3, 2 1/3, 5?
100
3.15 + 2.25
What is 5.40?
100
8/11 - (-3/11)
What is 11/11 or 1?
100
In March it rained 6.1 inches. It rained 0.6 inches less in April than in March. How much did it rain in April?
What is 6.1 + -0.6 = 5.5 inches?
100
1. "Add a line, change the sign"
2. Follow the addition rules.
These are the steps for what operation with rational numbers?
What is subtracting rational numbers?
200
Arrange the rational numbers in order from greatest to least.
5/2, 5 1/2, -12, 15
What is 15, 5 1/2, 5/2, -12?
200
0.38 + (-1.2)
What is -0.82?
200
- 4/13 - 8/13
What is -12/13 ?
200
A seal is swimming in the ocean 5 feet below sea level. It dives down 12 feet to catch a fish. He then swims back towards the surface 8 feet. What is his final elevation
What is -5 - 12 + 8 = 9 feet below sea level?
200
1. Subtract the two numbers.
2. Keep the sign of the largest one.
These are the steps for what operation with rational numbers?
What is addition with different signs?
300
Arrange the rational numbers in order from least to greatest.
7/2, 2 3/4, -3.25, 6
What is -3.25, 2 3/4, 7/2, 6?
300
9/25 + (-17/25)
What is -8/25?
300
-0.06 - (-0.86)
What is 0.8 ?
300
A football team gained 9 yards on one play and then lost 22 yards on the next.
What is 9 +(-22) = -13?
300
1. Add the two numbers.
2. Keep the sign.
These are the steps for what operation with rational numbers?
What is addition with same sign?
400
Arrange the rational numbers in order from greatest to least.
1 5/4, 8/3, -7, 8
What is 8, 8/3, 1 5/4, -7?
400
-5/12 + 1/12
What is -1/3?
400
-10/24 - (-2/24)
What is -1/3 ?
400
During the day, the temperature increases by 4.5 degrees. At night, the temperature decreases by 7.5 degrees. What is the overall change in temperature?
What is 4.5 - 7.5 = -3 degrees?
400
What is a zero pair?
What is .. A zero pair is created when a pair of numbers, one positive and the other negative, equals a sum of zero?
500
Arrange the rational numbers in order from least to greatest.
-0.25, -4/3, 16 1/2, -1.5, 4/2
What is -1.5, -4/3, -0.25, 4/2, 16 1/2?
500
To make a small amount of play dough, you can mix 1 cup of flour, 1/6 cup of salt and 1/3 cup of water. What is the total amount of ingredients added to make the play dough?
What is 1 1/2 cups?
500
Bobby's chemistry textbook weighs 2/3 of a pound and his geometry textbook weighs 1/6 of a pound. How much more does the chemistry textbook weigh than the geometry textbook?
What is 1/2 a pound more?
500
Kyle pours out 3/4 liter of liquid from a beaker. Then he pours out another 1/2 liter of liquid. What is the overall change in the amount of liquid in the beaker?
What is -3/4 + -1/2 = -1 1/4?
500
What is the additive inverse property?
What is a rule stating that the sum of a number and its inverse is zero? ex) 2 + -2 = 0