Let’s solve each subtraction problem step by step.
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Problem 1: 34 - 14
We can subtract the ones first:
4 - 4 = 0
Then subtract the tens:
30 - 10 = 20
So, 34 - 14 =
20
✔ Check: 20 + 14 = 34 → Correct!
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Problem 2: 62 - 35
This one needs regrouping (borrowing) because we can’t do 2 - 5 in the ones place.
Step 1: Borrow 1 ten from the 6 tens.
Now we have 5 tens and 12 ones.
Step 2: Subtract the ones:
12 - 5 = 7
Step 3: Subtract the tens:
5 - 3 = 2
So, 62 - 35 =
27
✔ Check: 27 + 35 = 62 → Correct!
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Problem 3: 39 - 24
Subtract the ones:
9 - 4 = 5
Subtract the tens:
30 - 20 = 10
Add them: 10 + 5 =
15
✔ Check: 15 + 24 = 39 → Correct!
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Final Answer:
34 - 14 = 20
62 - 35 = 27
39 - 24 = 15
Parent Tip: Review the logic above to help your child master the concept of subtraction worksheet with base ten blocks.
