Mental Math
Real World Math
Math Puzzles & Riddles
100

The sum of 75 and 128.

What is 203?

100

If a store offers a 15% discount on a jacket priced at $80, how much do you pay for the jacket?

What is $68?

100

I am a two-digit number. My tens digit is 3 more than my ones digit, and the sum of my digits is 12. What number am I?

What is 39?

200

The difference between 500 and 268.

What is 232?

200

A car travels 75 miles per hour. How long will it take to travel 225 miles?

What is 3 hours?

200

If five cats can catch five mice in five minutes, how many cats are needed to catch 100 mice in 100 minutes?


What is 5 cats?

300

The product of 27 and 16.

What is 432?

300

A rectangular swimming pool is 12 meters long and 6 meters wide. What is its area?


What is 72m2?

300

A number is multiplied by 3, and then 4 is subtracted. The result is 8. What is the number?

What is 4?

400

The quotient of 540 divided by 18.

What is 30?

400

A person earns $18 per hour. How much will they earn in 25 hours?

What is $450?

400

A snail climbs 3 feet up a 10-foot pole every day. However, each night, it slides down 2 feet. How many days will it take the snail to reach the top of the pole?

What is 8 days?

500

The sum of the squares of 6 and 8.

What is 100?

500

A school sold 120 tickets to a basketball game for $7 each. If the school wants to make a profit of $1,000, how much do they need to sell each ticket for?

What is 13?

500

I am thinking of a number. If you subtract 6 from the number and then divide by 2, the result is 5. What is the number?

What is 16?