Name: _________________________________
Adding & Subtracting Rational Numbers
Opposites
1) The opposite of −4
4) The opposite of 289
Absolute Value
1) |−4|
1
4) |1 2|
2) The opposite of − 3
3) The opposite of 3.45
4) What is another word for
opposite?
5) What happens when you add a
pair of opposites together?
2) |19|
3) |−5.7|
5) |9 − 4|
6) |−4 + 1|
2
7) Define absolute value:
Changing fractions to decimals
7
1) 10
1
4) 5 100
2
1
2) 5
3) − 7
13
5) −2 25
2
6) 16 9
Changing decimals to fractions (Remember to simplify)
1) 0.65
2) 0.6
3) -0.250
4) 4.11
6) 14.64
5) -2.8
Adding Rational Numbers
1) −5.6 + (−9.72)
3) 18 + (−22.45)
3
4
2) −7.79 + 9.55
2
1
4) − 3 + 8
1
5
5) −2 4 + (−1 5)
6) 3 3 + (− 6)
7) −209 + 987
8) −566 + (−455)
3
9) 5.6 + (−2 5)
3
10) −0.5 + (−8 4)
Subtracting Rational Numbers
1) 19 − 34
2) −99 − (−36)
3) −107 − 107
4) 90.55 − 100.54
5) 8.11 − (−93.4)
6) −65.23 − (−13.576)
7) 0.45 − 4
8) 4 3 − 2 7
7
4
9) 8 − 3 5
1
5
1
1
10) − 4 − (− 6)
Graphing Equations
1) Graph the following equation on the number line below and solve: −5 + (−2)
2) Graph the following equation on the number line below and solve: 7 + (−11)
3) Graph the following equation on the number line below and solve: −2 − 4
4) Determine what equation best represents the graph below:
5) Determine what equation best represents the graph below:
6) Determine what equation best represents the graph below: