Solving One-Step Equations

Addition

100

x + 4 = 25

21

200

a + 13 = 10

 -3

300

n + 8 = 34

26

400

x + 36 = -100

-136

500

5.4 = c + 2.7

2.7

Subtraction

100

x - 2 = 6

8

200

d - 7 = -9

-2

300

k - 83 =121

204

400

x - 32.7 = 66.5

99.20

500

In x -12.9= 138.9

151.8

Multiplication

100

9x = 27

x=3

200

-7y = -63

y=9

300

5e = 400

80

400

5b +9= 24

b=3

500

120= 4y+20

25

Mixed 1

100

How much is a dime and a nickel?

15 cents

200

How many dollars are there in 200 cents?

$2

300

How do you write 35 cents in a dollar?

$.35 or $0.35

400

How many quarters to make $2.25?

9 pieces/ quarters

500

How many nickels to make a dollar?

20 nickels

Mixed 2

100

Add

2 quarters

1 dime

55 cents

200

Add:

two 5 dollar-bill

three quarters

$5.75

300

Add:

three 50-dollar bill

one 20-dollar bill

five nickels

four pennies

$170.29

400

five 50-dollar bill

two 10-dollar bill

five dimes

five pennies

$270.55

500

If John wants to buy a laptop worth $320.56 and these are his money:

two 100-dollar bill, two 50-dollar bill, 4 nickels, 1 quarter, 6 pennies, 

would that be enough?

No, he would need 25 cents more.