Negatives and Money

Equations (+'s)

100

x + 4 = 7

Solve for x

x = 3

200

x - 5 = 7

x = 12

300

4x = 16

x = 4

400

x/3 = 3

x = 9

500

2 + x = 13

x = 11

Equations (-'s)

100

x - 4 = -6

x = -2

200

4 - x = 7

x = -3

300

3x = -21

x = -7

400

6 - x = -3

x = 9

500

2 - x = 14

x = -12

Negative Operations

100

-1 + 4 = ?

3

200

-3 + (-3)

- 6

300

-3 * 4

-12

400

3 - 7 = ?

-4

500

2 + (-4/2)

0

Money

100

How many quarters make $ .75?

3

200

Takkis are $4.50, and you pay with a $10. What is your change back?

$5.50

300

3 Dimes

2 Nickels

4 Quarters

How much money is this?

$1.40

400

What is 7% of $100?

$7

500

Jimmy has a yearly interest rate of %5 on his account, he has $1,000 in his account.

How much money will be in his account after one full year?

$1,050

7th/8th grade only

100

1.5x = 6

x = 4

200

2x + 2 = 12

x=5

300

x/2 - 7 = -4

x = 6

400

-4 + 2x = 0

x = 2

500

2(x + 2) = 8

x = 2