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Integers
Rational Numbers
Operations with Integers
Operations with Rational Numbers
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100
What is the opposite of -42?
42
100
What two types of decimals are rational numbers?
Terminating; Repeating
100
2 - 3=
-1
100

1/2 x -3/4

-3/8

100
1/2 + 1/8
5/8
200
What is absolute value?
The distance from 0 on a number line; always given as a positive number.
200
A number is a rational number when it can be...
written as a fraction.
200
(-4 + 7) +4 =
7
200

-16 - (-13) - 5

-8

200
10.2 - (-1.2)
11.4
300
|-2| ___ 2
equal to; =
300
Convert -1.8 into a fraction.
-1 4/5
300
-2 * 2 * -4
16
300

-2.85 - (-1.62)

-1.23

300

-56 divided by 8

-7

400
|-6| ____ |-3|
greater than; >
400
Convert -3 8/11 into a decimal.
-3.72 (repeating)
400
The temperature was 6 degrees in the morning, it went up 15 degrees in the afternoon, and then fell 26 degrees over night. What is the new temperature?
-5 degree
400

(-3/2) + 8/5

1/10

400

What is 3/4 of 120?

90

500
|8-12|
4
500

What does it mean for a decimal to terminate?

The decimal stops or ends

500

You have 3 groups of children you teach basket weaving to: •The first group has 40 students. •The second group has 32 students. •The third class group had 48 students. You want to divide each class into groups so that every group in every class has the same number of students and there are no students left over. What is the maximum number of students that she can put into each group?

8

500

(-3 and 7/10) divided by (2 and 1/4)

*Reduce to it's simplest form, either a fraction or decimal*

-74/45 or -1.64

500

Name all 3 of the addition and subtraction rules

1) If digits have the same sign, add the digits, keep that same sign

2) If digits have different signs, subtract, and take the sign of the bigger digit

3) If there is a double negative next to each other, it becomes a positive (addition; a plus sign)