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Subtraction with Regrouping. Mrs. Hicks. -. 1. Look at the ones. Ask: “Can we take 3 away from 2?”. 8 2. - 5 3. If we can’t, then we have to regroup. 2. Regroup as needed. 7. 8 2. 1 st : Go next door to the tens and take one away. 1. 2 nd : Add the ten to the ones.
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Subtraction with Regrouping Mrs. Hicks -
1. Look at the ones. Ask: “Can we take 3 away from 2?” 8 2 -5 3 If we can’t, then we have to regroup.
2. Regroup as needed. 7 8 2 1st: Go next door to the tens and take one away. 1 2nd: Add the ten to the ones. -5 3
3. Subtract the ones. 7 What is 12 – 3? 8 2 1 -5 3 9
4. Subtract the tens. 7 What is 7 – 5? 8 2 1 -5 3 2 9
Now let’s review the steps… • Look at the ones. Ask: Can we subtract? • Regroup as needed: 1. Go to the tens and take one away. 2. Add the ten to the ones. • Subtract the ones. • Subtract the tens.
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