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