Addition Equations
Subtraction Equations
Writing Equations
Fraction Equations
Decimal Equations
100
x + 18 = 24
x = 6
100
z - 7 = 11
z = 18
100

When Sean stands on a box he is 10 ft. tall. If the box is 4 ft tall, WRITE and SOLVE an addition equation to find Sean's height.

 x + 4 = 10 Solution- x = 6 ft tall

100
s - 1/3 = 7/9
s = 10/9 or 1 1/9
100
a - 2.1 = 5.8
a = 7.9
200
23 = h + 11
h = 12
200
14 = m - 5
m = 19
200

Ricky has $39. She has 8 less that her brother. WRITE and SOLVE a subtraction equation to find how much money her brother has.

x - 8 = 39 Solution  x = $47

200
n - 1/4 = 3/4
n = 1 or 4/4
200
4.6 = e - 3.2
e = 7.8
300
54 = m + 9
m = 45
300
72 = g - 20
g = 92
300

If b - 10 = 5, what is the value of b + 6?

21

300
m + 1/3 = 2/3
m = 1/3
300
a + 6.1 = 8.4
a = 2.3
400
c + 8 = 11
c = 3
400
c - 41 = 16
c = 57
400

Amanda is 13 years old. This is four years younger than his brother Adian. WRITE and SOLVE a subtraction equation to find Adian's age.

Equation  x - 4 = 13 Solution x = 17 years old

400
2/3 t = 2
t = 3
400
7.8 = x + 1.5
x = 6.3
500
564 = k + 21
k = 543
500
3,761 = y - 5,740
y = 9,501
500

It takes 43 facial muscles to frown. This is 26 more muscles than is takes to smile. WRITE and SOLVE an addition equation to find the number of muscles it takes to smile.

Equation  26 + x = 43 Solution  x = 17 muscles

500
1/2 j = 1/4
j = 1/2
500
76.325 = x - 21.318
x = 97.643
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