Mental Math & Quick Calculations
What is 15% of 60?
What is 9?
Convert 0.75 to a fraction.
What is 3/4?
What is the ratio of 3 apples to 9 fruits?
What is 1:3 OR 1/3?
Multiply 3/4 by 16.
What is 12?
Simplify the ratio 12:16.
What is 3:4?
If x - 7 = 15, what is the value of 2x?
What is 44?
Simplify the expression: -8 + 5 - (-3).
What is 0?
A recipe calls for 4 cups of flour. If you want to make 1 1/2 times the recipe, how much flour do you need?
What is 6 cups?
In a class, 40% of the students are girls. If there are 12 girls, how many total students are in the class?
What is 30 students?
If a shirt is 20% off its original price of $50, what is the sale price?
What is $40?
Which is greater: ⅔ or 0.6?
What is 2/3?
The temperature dropped from 15 degrees Celsius to -5 degrees Celsius. What was the change in temperature?
What is 20-degree Celsius drop?
If a pizza has 8 slices and you eat 3, what fraction remains?
What is 5/8?
Convert 0.125 to a fraction in simplest form.
What is 1/8?
What is the result of multiplying a number by its multiplicative inverse (or reciprocal)?
What is 1?