Download Learning Target 4-Math Antics Independent Practice Key

Name:
®
Date:
Solving Basic Equations with Multiplication or Division - Set 1
AB-SE2 1
Instructions: Use multiplication or division to solve each equation.
4x = 12
1
4
2
4
(5)
x = 35
x = 3
3
(3)
x
= 9 (3)
3
72 = 9x
4
9
9
8 = x
x = 27
or
5
12x = 144
12
6
12
(x)
8
24 = 6x
6
6
9
(12)
(7)
x
4
(4)
x = 40
5x = 105
5
5
x = 21
or
x = 4
x
= 9 (12)
12
10
x
= 22 (7)
7
x = 154
Solving Basic Equations - Part 2 • mathantics.com
(x) 15 =
75 (x)
x
15x = 75
15
15
x = 108
11
(4) 10 =
or
24
= 6 (x)
x
4 = x
x = 8
40 = x
x = 12
7
x
= 7 (5)
5
x = 5
12
2x = 142
2
2
x = 71
© 2015 Math Plus Motion, LLC
Name:
®
Date:
Solving Basic Equations with Multiplication or Division - Set 2
AB-SE2 2
Instructions: Use multiplication or division to solve each equation.
40 = 8x
1
8
8
5 = x
(x) 12 =
x = 4
x
= 8 (8)
8
(8)
11x = 66
4
11
x = 64
5
(x)
6
(3)
32 = 4x
4
4
7
or
x = 8
6
8
(4)
(x) 7 =
84 (x)
x
3
3
x = 45
Solving Basic Equations - Part 2 • mathantics.com
5
5
13 = x
or
x = 12
3x = 135
65 = 5x
10
7x = 84
7
7
11
x
= 14 (4)
4
x = 56
x = 13
9
x
= 24 (3)
3
x = 72
6x = 78
6
11
x = 6
32
= 4 (x)
x
8 = x
48 (x)
x
12x = 48
12
12
x = 5
or
3
2
12
x = 13
(20) 3 =
x
(20)
20
60 = x
or
x = 60
© 2015 Math Plus Motion, LLC
Name:
®
Date:
Solving Basic Equations (with decimals)
AB-SE2 3
Instructions: Use multiplication or division to solve each equation. You can use a calculator to do
the decimal arithmetic if you’d like to.
5.0 = 2.5x
1
2.5
2.5
2
(2)
x = 3.2
2 = x
x = 2
or
3
x
= 1.6 (2)
2
(x)1.5 =
0.5 (x)
x
0.1x = 2.4
4
0.1
1.5x = 0.5
1.5
1.5
0.1
x = 24
x = 0.3
5
x
= 1.6 (2.1)
2.1
(2.1)
6
(x)
3.5 = 2.5x
2.5
2.5
1.4 = x or
x = 3.36
7
(3)
x
= 6.4 (3)
3
(x) 8 =
8.4 (x)
x
8x = 8.4
8
8
x = 1.05
Solving Basic Equations - Part 2 • mathantics.com
x = 1.4
0.2x = 0.7
8
0.2
x = 19.2
9
3.5
= 2.5 (x)
x
0.2
x = 3.5
10
2.25 = 0.75x
0.75
0.75
3 = x
or
x = 3
© 2015 Math Plus Motion, LLC
Name:
®
Date:
Solving Basic Equations (with negative numbers)
AB-SE2 4
Instructions: Use multiplication or division to solve each equation.
1
(5)
x
= -6 (5)
5
2
-3x = -21
-3
x = -30
3
(x) 3 =
-12 (x)
x
x = 7
4
x = -4
(-7)
x
= 9 (-7)
-7
6
x = -63
7
(-8)
x
= -1(-8)
-8
-28 = -4 (x)
x
(x)
-28 = -4x
-4
-4
7 = x or
3x = -12
3
3
5
-3
x =7
15x = -45
15
15
x = -3
8
x = 8
55 = -5x
-5
-5
-11 = x
or x = -11
-72 = -8x
9
-8
-8
9 = x
or
x = 9
Solving Basic Equations - Part 2 • mathantics.com
10
(x) 9 =
-45
x
(x)
9x = -45
9
9
x = -5
© 2015 Math Plus Motion, LLC