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Practice casing math drills

Hone your mental math and estimation skills with our solo casing drills. Designed to strengthen the quantitative foundation of your case prep, these exercises help you build the speed and accuracy needed to excel in full case interviews.

Drill

Category

Difficulty

Link

Mental Multiplication
Small number multiplication (e.g. 300 x 55)
Multiplication Drills
Easy
Long Multiplication
More complex multiplication (e.g. 5,324 x 81)
Multiplication Drills
Medium
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Millions Multiplication
Large number multiplication (e.g. $1,200,000 x 500)
Multiplication Drills
Hard
Go to drill
Mental Division
Small number division (e.g. 300 / 5)
Division Drills
Easy
Long Division
More complex division (e.g. 6,540 / 20)
Division Drills
Medium
Go to drill
Millions Division
Large number division (e.g. $1,200,000 / 20)
Division Drills
Hard
Go to drill
Percentages
Mental percentage math (e.g. 20% of 500)
Percentage Drills
Medium
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Percent of Percent
Complex percentage problems (e.g. 20% of 50% of $2,000)
Percentage Drills
Hard
Break-Even
Math problems regarding company investments.
Other Drills
Medium
Common Factor
Find the common factor between two numbers (e.g. 4 and 2)
Other Drills
Easy
Go to drill
Growth Estimate
Project company growths (e.g. Find revenue in 3 years under 5% annual growth)
Other Drills
Hard
Go to drill
Market Sizing
How large is a particular market (e.g. estimate size of US coffee market)
Other Drills
Medium

Casing Math

Own the numbers, control the outcome. Get sharp on key formulas and fast on your feet with step-by-step guides and practice drills designed for real case math. Speed, precision, confidence—built here.

Multiplication Drills

Mental Multiplication

Small number multiplication (e.g. 300 x 55)

Long Multiplication

More complex multiplication (e.g. 5,324 x 81)

Millions Multiplication

Large number multiplication (e.g. $1,200,000 x 500)

Division Drills

Mental Division

Small number division (e.g. 300 / 5)

Long Division

More complex division (e.g. 6,540 / 20)

Millions Division

Large number division (e.g. $1,200,000 / 20)

Percentage Drills

Percentages

Mental percentage math (e.g. 20% of 500)

Percent of Percent

Complex percentage problems (e.g. 20% of 50% of $2,000)
Coming soon!

Other Drills

Break Even

Math problems regarding company investments.

Common Factor

Find the common factor between two numbers (e.g. 4 and 2)

Growth Estimate

Project company growths (e.g. Find revenue in 3 years under 5% annual growth)

Market Sizing

How large is a particular market (e.g. estimate size of US coffee market)
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