Addition and Subtraction
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GED Math › Addition and Subtraction
Add the following numbers:
Explanation
Add the ones digits.
Carry over the one, and add the tens digits.
Combine this number and the ones digit of the first number.
The answer is:
Add the numbers:
Explanation
Add the one digits.
Add the tens digits with the two as the carryover.
Combine this number with the ones digit of the first number.
The answer is:
Add the numbers:
Explanation
Add the ones digits.
Add the tens digits with the two as the carryover.
Combine this number with the ones digit of the first number.
The answer is:
Add the following numbers:
Explanation
Add the ones digits.
Carryover the one and add all the tens digits.
Combine this number with the ones digit of the first number.
The answer is:
Add the numbers:
Explanation
Add the ones digits.
Carry over the one, and add the tens digits.
Combine this value with the ones digit of the first number.
The answer is:
Add the following numbers:
Explanation
Add the ones digits.
Add the tens digits with the one from the tens place as the carryover.
Add the hundreds places with the carryover.
The answer is:
Identify the property of addition demonstrated by the following statement:
The inverse property of addition
The identity property of addition
The commutative property of addition
The associative property of addition
Explanation
The statemet shows a number being added to its additive inverse to obtain a sum of 0; this is a demonstration of the inverse property of addition.
Add the numbers:
Explanation
Add the ones digits.
Add the ones digits and carryover the 2.
Combine this number with the ones digit of the first number.
The answer is:
Solve this equation:
Explanation
Since we are working with subtraction, that means that our final answer must be smaller than the largest number we're working with. We will take our and go backwards
times.
,
If we count down from
times, we have
.
Our answer is .
Add the numbers:
Explanation
Add the ones digits.
Add the tens digits with the one as the carryover.
Combine this number with the ones digit of the first number.
The answer is: