Mental Math
y+7=11
y=4
13 = t + 2
t=11
a-8=3
a=11
8c = 40
c=5
d/4=25
d=100
p-10=5
p=15
8 + g = 18
g=10
r-16=7
r=23
42 = 6f
f=7
e/4 = 20
e=80
6w=60
w=10
Chad earned $30 for raking leaves. He has also earned money by doing chores. Altogether, he has earned $120. How much did he earn doing chores?
$90
13 = t − 4
t=17
7d = 35
d=5
9 = x/7
d=63
d/14=7
d=98
Tulia bought 9 new golf balls. If she now has a total of 22 golf balls, how many did she start with?
13 golf balls
t-9=12
t=21
4b = 32
b=8
x/5 = 15
x=75
a-5=12
a=17
A pet store has 45 mice. The number of mice is 22 more than the number of cats. Write an equation that can be solved to find the number of cats c.
c + 22 = 45
Pete is 15 years old. This is 6 years younger than his sister Victoria. Write and solve a subtraction equation to find Victoria's age.
v-6=15, Victoria is 21 years old
Four friends bought tickets to the school play. It cost them a total of $28. Write an equation that could be used to find how much each friend paid.
4x = 28
The height reached by Amal’s rocket was one fourth the height reached by Min’s rocket. Amal’s rocket reached a height of 15 meters. Write an equation that could be used to find the height reached by Min’s rocket.
m/4 = 15