Apply your understanding of regrouping to solve the problems below

Question

SnapAndSolve AI · Accepted Answer

Regrouping Problems:

Calculate 78 + 47.

Step 1: Regroup the numbers. Start with the ones place:

Step 2: Now add the tens:

Step 3: Combine the results:

Answer: 125

Calculate 154 - 67.

Step 1: Regroup the numbers. Start with the ones place:

4 (from 154) - 7 (from 67). Since 4 is smaller than 7, we need to regroup.
Borrow 1 ten from the tens place of 154 (making it 4 tens), so now we have 14 ones.

Step 2: Subtract the ones:

Step 3: Now subtract the tens:

Step 4: Subtract:

Step 5: Combine the results:

Answer: 87

Calculate 625 + 789.

Step 1: Regroup the numbers starting with the ones place:

Step 2: Now add the tens:

Step 3: Add the hundreds:

Step 4: Combine the results:

Answer: 1414