Addition Equations
29 + b = 42
b = 13
Sally's tower is 12 inches taller than Mary's tower. If Sally's tower is 29 inches tall, write an equation that you could use to solve the height of Mary's tower.
29 = m + 12
OR
29-12 = m
Mark bought 24 books more than Terry. If Terry bought 15 books, write an equation that could be used to find the number of books that Mark bought.
m - 24 = 15
OR
24+15 = m
Sara has 78 songs more than Sam on her i-pod. If Sam has 22 songs, write and SOLVE an equation that you can use to find the number of songs that Sara has.
s - 78 = 22 s = 100 songs