Basic Operations

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GED Math › Basic Operations

Questions 1 - 10
1

Evaluate:

Do not use a calculator.

Explanation

To divide two numbers of like sign, just divide their absolute values; their quotient will be positive.

2

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:

3

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:

4

Evaluate:

Do not use a calculator.

Explanation

To divide two numbers of like sign, just divide their absolute values; their quotient will be positive.

5

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:

6

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:

7

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:

8

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:

9

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:

10

Add the numbers:

Explanation

Add the ones digits.

Add the tens digits.

Add the hundreds digits with the 1 as the carryover.

Combine this number with the ones digits of the others steps.

The answer is:

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