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Addition with Regrouping: 9,988 + 12

Addition with Regrouping Calculator

What is 9,988 + 12?

Answer

9,988 + 12 =

10,000

The sum is longer than the addends: 4 carries — into every column from the tens to the ten thousands; the last one makes a new digit

9,988 + 12 in a column. Carries are the small circled digits above the columns.
		1carry	1carry	1carry	1carry
			9	9	8	8
	+				1	2
		1	0	0	0	0

Column by column: 9,988 + 12

Ones: 8 + 2 = 10 — write 0, carry 1.
Tens: 8 + 1 + 1 = 10 — write 0, carry 1.
Hundreds: 9 + 1 = 10 — write 0, carry 1.
Thousands: 9 + 1 = 10 — write 0, carry 1.
Ten thousands: the carried 1 — write 1.

9,988 + 12 = 10,000

Second check: 10,000 − 9,988 = 12

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Related Calculations

10,000 − 12 = 9,988 - Subtraction with Regrouping

See Also

Subtraction with Regrouping Calculator - Column subtraction step by step, with borrowing across zeros
Long Multiplication Calculator - Column multiplication with partial products, step by step
Long Division Calculator - Step-by-step long division with detailed explanation
Adding Fractions Calculator - Add fractions, mixed numbers and whole numbers step by step

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9,988 + 12 = 10,000 - Addition with Regrouping. 9,988 + 12 = 10,000. Addition with regrouping step by step: 4 carries, every digit of the sum and a subtraction check.

https://calculat.io/en/number/long-addition/9988--12/generated.jpg

Column additions with 12

Example	Sum
288 + 12	300
307 + 12	319
348 + 12	360
376 + 12	388
388 + 12	400
402 + 12	414
453 + 12	465
485 + 12	497
488 + 12	500
536 + 12	548
578 + 12	590
588 + 12	600
647 + 12	659
688 + 12	700
788 + 12	800
888 + 12	900
988 + 12	1,000
1,988 + 12	2,000
4,988 + 12	5,000
9,988 + 12	10,000

Recalculate with different values ↑

FAQ

What is 9,988 + 12?

9,988 + 12 = 10,000

How do you check that 9,988 + 12 = 10,000?

Subtract one addend from the sum: 10,000 − 12 = 9,988, and 10,000 − 9,988 = 12. Getting the other addend back means the sum is right.

How many carries are there in 9,988 + 12?

4 carries: every time a column added up to 10 or more, its ones digit was written and 1 was carried to the next column on the left.

Is 12 + 9,988 the same as 9,988 + 12?

Yes. Addition is commutative, so both give 10,000; the column looks the same with either number on top.

See Also