Mental Math
The product of 8 and 7.
What is 56?
The amount of change you would receive from a $20 bill after buying an item that costs $14.75.
What is $5.25?
I am a number. Multiply me by 4, then subtract 6, and you get 10. What number am I?
What is 4?
Half of 144.
What is 72?
If a car travels 60 miles per hour, the number of miles it will travel in 2.5 hours.
What is 150 miles?
A farmer has 17 sheep, and all but 9 run away. How many sheep does he have left?
What is 9?
The sum of the first five prime numbers.
What is 28?
The price you pay for a $40 item after a 25% discount.
What is $30?
A number is doubled and then increased by 8. The result is 26. What was the original number?
What is 9?
The square root of 196.
What is 14?
The total cost of a $50 dinner with 8% sales tax and a 20% tip.
What is $64? (Tax: $4, Tip: $10, Total: $64)
I am a three-digit number. My tens digit is five more than my ones digit, and my hundreds digit is eight less than my tens digit. What number am I?
What is 194?
The smallest number that is divisible by 6, 8, and 12.
What is 24?
If a water tank holds 1,200 gallons and loses 15% due to a leak, the amount of water remaining.
What is 1,020 gallons?
A rope is cut in half. Then, one of the halves is cut into thirds. If the original rope was 36 feet long, how long is the smallest piece?
What is 6 feet?