Study Resources:

LearnZillion- Subtract using the standard subtraction algorithm

Edpuzzle- Multidigit Subtraction (Math Antics)

Edpuzzle- Subtraction (Base-ten blocks)

Khan Academy- Multi-digit subtraction: 389,002-76,151

Khan Academy- Three digit subtraction word problems

Practice Resources:

Khan Academy- Subtract within 1000

Khan Academy- Multi-digit subtraction

IXL- C.1 Subtract numbers up to five digits

IXL- C.2 Subtract numbers up to five digits: word problems

IXL- C.5 Subtraction: fill in the missing digits

IXL- C.8 Estimate differences

IXL- C.9 Estimate differences: word problems