Subtraction with Regrouping

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Subtraction with Regrouping Mrs. Hicks Look at the ones. Ask: Can we take 3 away from 2? If we cant, then we have to regroup.

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Presentation transcript:

Subtraction with Regrouping - Mrs. Hicks

8 2 -5 3 1. Look at the ones. Ask: “Can we take 3 away from 2?” 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.

Now it’s your turn to prove you’re the math wizard! Great Job! Now it’s your turn to prove you’re the math wizard!