Percentages
Algebra
Logic & Brain Teasers
Estimation
Money & Real Life Math
100

What is 25% of 200?

50

100

Solve 3x=21

x=7

100

I am an odd number. Take away one letter and I become even. What number am I?

Seven

100

Estimate 49x19

Approx 1000 (931)

100

If you earn $20/hour for 8 hours, how much do you make?

$160

200

A $80 item is 15% off. What is the sale price?

$68


200

Solve: 2x+5=17

x=6

200

If 5 machines make 5 widgets in 5 minutes, how long would 100 machines take to make 100 widgets

5 minutes

200

Estimate 198 / 4

About 50 (49.5)

200

You split a $96 dinner evenly among 6 people. How much per person?

$16

300

Increase 120 by 20%.

144

300

Solve: 5x-3=2x+12

x = 5

300

What 3 positive numbers give the same result when multiplied and added?

1,2, and 3
300

About how many minutes are in a year?

525,600 

300

A $250 item has 8% tax. What is the total?

$270

400

If you score 42 out of 56, what percent is that?

75%

400

Solve 4(x-2)=3x+6

x =14

400

A frog is at the bottom of a 20-foot well.
Each day it climbs 5 feet.
Each night it slips back 4 feet.

16 days

400

Estimate 9.8x5.1

About 50

400

A $1,200 rent increases by 5%. What is the new rent?

$1,260