Show:
Opposites
Addition and Subtraction
Multiplication and Division
Fractions
Decimals and Rationals
100
What is the additive inverse of -5
5
100
Solve -13 - 9
-22
100
Solve -5 * 7
- 35
100
Solve: 1/5 * 10/23 (one fifth times ten over 23)
2/23
100
Write negative seven tenths in 3 different ways.
(-7)/10, 7/(-10),- (7/10)
200
What are two things in the real world that are opposites?
.......
200
Solve: -5 -(-20)
15
200
Solve: - 15 * -4
60
200
Solve 4/7 divided by 6/14
3 1/3
200
What is the definition of a rational number
Any number that can be written as a fraction
300
What is the difference between absolute value and additive inverse?
Absolute value is always positive. For Additive Inverse you switch the sign.
300
Solve: 23 + 14 = ??? Write as story problem that describes this problem in real world context.
.....
300
Solve: 4 * 13 Write as story problem that describes this problem in real world context.
52 ....
300
Solve -1 1/9 - 2 5/12
1 11/36
300
Solve: 0 / 15 = _____ 69 / 23 = ____ 28 / 0 =_____ Which of the following answers is not a rational number?
28/0 because you cannot divide by zero!
400
Describe a situation where two opposites cancel each other out.
........
400
Solve: -10 -37 Write as story problem that describes this problem in real world context.
.....
400
Solve: 42 / 6= ??? Write as story problem that describes this problem in real world context.
7 ....
400
(1/2 - 7/9) * (-5/3)^2
-125/162
400
Express the following as a decimal. 2 5/6 1/11
2.833 (33 repeating) .09 (repeating)
500
(-15) - 4. Rewrite the subtraction problem to make it an addition problem and solve.
(-15) + (-4)
500
Use the number line to find 14 + (-8)=??? And write what the answer means in words.
Start at 14 move left 8 and end up at 6. So...6 is the number that is 8 units to the left of 14
500
Using your notes explain why a negative times a negative is a positive.
When you multiply you are taking out groups of negative numbers...which leaves positives
500
Someone takes 1/3 rd of a cake and then someone comes and takes 1/5 th of what is left. How much of the whole cake does the second person get?
2/15 ths
500
Convert the following into fractions. 0.8 And .66 (66 repeating)
4/5 2/3