Minute Drill #10: Two-Digit Addition & Subtraction
Remember: This is a drill, not a lesson!
In this one-minute drill, how many addition and subtraction problems (all two-digit numbers) can you answer correctly? You only get 6 seconds per problem!
Remember: This is a drill, not a lesson!
In this one-minute drill, how many addition and subtraction problems (all two-digit numbers) can you answer correctly? You only get 6 seconds per problem!