Addition Equations
29 + b = -42
b = -71
-32 = m - 7
m = -25
b ÷ -12 = 12
b = -144
y + 45 = -84
y = -129
19 = n + 5.2
n = 13.8
w - 14 = -33
w = 47
-9 = h ÷ 4
h = -36
42 = b - 27
b = 69
Sally's tower is 12 inches taller than Mary's tower. If Sally's tower is 29 inches tall, write an addition equation that you could use to solve the height of Mary's tower.
29 = m + 12
c - 3.4 = -10
c = -6.6
24 = c ÷ 0.6
c = 14.4
Sam is 66 inches tall. That is 3 times the height of his cat. Write and solve a mutliplication equations to find the height of his cat.
3h=66
22 inches
Solve: $12.50 + r = 32.20
r = $19.70
Mark bought 24 books more than Terry. If Terry bought 15 books, write a subtraction equation that could be used to find the number of books that Mark bought.
m - 24 = 15
Troy is cutting a piece of rope into fourths. If each piece is 16 inches long, write and solve a division equation that you can use to find the length of the entire rope.
r/4=16
64 in.
Harry has $56 more than Paul. If Paul has $32, write and solve a subtraction equation to find out what Harry has.
h - 56 = 32
h = $88
Sara has 78 songs more than Sam on her i-pod. If Sara has 100 songs, write and SOLVE an addition equation that you can use to find the number of songs that Sam has.
s + 78 = 100
Kim went to the store and bought 5 books for a total of $18.50. Write and SOLVE a multiplication equation to figure out the amount of each book.
5b = $18.50
b = $3.70
16 = ⅔ z
z = 24