Look at the subtraction problem below. Do you need to regroup to subtract the ones?https://talkandcomment.com/p/bb7f3619af76f7842910448c (voice note)
Look at the subtraction problem below. Do you need to regroup to subtract the ones?https://talkandcomment.com/p/bb7f3619af76f7842910448c (voice note)
Subtract to find the difference. Remember to regroup if you need to. https://talkandcomment.com/p/bf1c2da06d9b9dcb368a0854 (voice note)
