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Multi-digit Math
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Boss time!
Pick your practice
Player name
Mix it up
add, subtract and round
Add & subtract
columns and borrowing
Rounding
nearest ten up to ten thousand
Problems: 0 of 10
Skills mastered: 0 of 17
Check
Use columns
Numby
Boss 1 of 5
HP: 6/6
❤️❤️❤️
So close! Want another try?
Try again
Back to practice
Leave the battle
Settings
Volume
Pause after a right answer (left is calmer, right is zippier)
Silly sound on mistakes
Done
Wipe my progress
Wipe saved progress?
This erases everything saved for this player. It cannot be undone.
Yes, wipe it
Keep my progress