Addition and Subtraction - GED Math
Card 1 of 280
Identify the property of addition demonstrated by the following statement:
Identify the property of addition demonstrated by the following statement:
Tap to reveal answer
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.
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.
← Didn't Know|Knew It →
Identify the property of addition demonstrated by the following statement:
Identify the property of addition demonstrated by the following statement:
Tap to reveal answer
This statement shows that two numbers can be added in either order to achieve the same result; this is a demonstration of the commutative property of addition.
This statement shows that two numbers can be added in either order to achieve the same result; this is a demonstration of the commutative property of addition.
← Didn't Know|Knew It →
Identify the property of addition demonstrated by the following statement:
Identify the property of addition demonstrated by the following statement:
Tap to reveal answer
The statement shows that the sum of three numbers yields the same result regardless of the order in which they are added; this is a demonstration of the associative property of addition.
The statement shows that the sum of three numbers yields the same result regardless of the order in which they are added; this is a demonstration of the associative property of addition.
← Didn't Know|Knew It →
Identify the property of addition demonstrated by the following statement:
Identify the property of addition demonstrated by the following statement:
Tap to reveal answer
0 is called the additive identity in that it can be added to any number to yield that other number as the sum.
The identity property of addition is written mathematically as 
for any real 
.
0 is called the additive identity in that it can be added to any number to yield that other number as the sum.
The identity property of addition is written mathematically as
← Didn't Know|Knew It →
Forty-two friends are renting a party bus to the school prom. Rental of the party bus will cost $320 up front plus $18 per hour. The friends have the bus from 5:00 PM to 3:00 AM.
Each friend has agreed to chip in $9. One of the teachers at the high school, Mr. Smith, has offered to chip in the rest. If he does, how much will he pay?
Forty-two friends are renting a party bus to the school prom. Rental of the party bus will cost $320 up front plus $18 per hour. The friends have the bus from 5:00 PM to 3:00 AM.
Each friend has agreed to chip in $9. One of the teachers at the high school, Mr. Smith, has offered to chip in the rest. If he does, how much will he pay?
Tap to reveal answer
The friends have the bus from 5:00 PM to 3:00 AM - this is
hours.
The cost of renting the bus will be
.
Forty-two friends paying $9 each will pay a total of
.
The teacher will pay the difference, or
.
The friends have the bus from 5:00 PM to 3:00 AM - this is
The cost of renting the bus will be
Forty-two friends paying $9 each will pay a total of
The teacher will pay the difference, or
← Didn't Know|Knew It →
A plane takes off at Cheyenne Regional Airport, which has an elevation of 6,159 feet. It ascends 17,785 feet, then descends 
feet. Which expression gives the current elevation of the plane in feet?
A plane takes off at Cheyenne Regional Airport, which has an elevation of 6,159 feet. It ascends 17,785 feet, then descends
Tap to reveal answer
The initial elevation of the plane is 6,159 feet in elevation. Ascent is an increase in elevation and descent is a decrease, so, to the elevation, in turn, add 17,785 feet, and subtract 
feet. This is
The initial elevation of the plane is 6,159 feet in elevation. Ascent is an increase in elevation and descent is a decrease, so, to the elevation, in turn, add 17,785 feet, and subtract
← Didn't Know|Knew It →
An airplane takes off from Denver International Airport, which has elevation 5,431 feet. It is now flying at an elevation of 
feet. How many feet has the airplane ascended since takeoff?
An airplane takes off from Denver International Airport, which has elevation 5,431 feet. It is now flying at an elevation of
Tap to reveal answer
We are looking for the difference between the current elevation of the plane and the initial elevation, so we subtract the initial elevation, 5,431, from current elevation, 
. This is 
.
We are looking for the difference between the current elevation of the plane and the initial elevation, so we subtract the initial elevation, 5,431, from current elevation,
← Didn't Know|Knew It →
Add the numbers: 
Add the numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits. There is no carryover.
Add the hundreds digits.
Combine this number with the other digits.
The answer is: 
Add the ones digits.
Add the tens digits. There is no carryover.
Add the hundreds digits.
Combine this number with the other digits.
The answer is:
← Didn't Know|Knew It →
Add the numbers: 
Add the numbers:
Tap to reveal answer
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: 
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:
← Didn't Know|Knew It →
Add the numbers: 
Add the numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the 1 as the carryover from the last calculation.
Combine this number with the ones digit of the first calculation.
The answer is: 
Add the ones digits.
Add the tens digits with the 1 as the carryover from the last calculation.
Combine this number with the ones digit of the first calculation.
The answer is:
← Didn't Know|Knew It →
Add the following numbers: 
Add the following numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the 2 as the carryover.
Add the hundreds digits with the 1 as the carryover.
Combine the ones digits.
The answer is: 
Add the ones digits.
Add the tens digits with the 2 as the carryover.
Add the hundreds digits with the 1 as the carryover.
Combine the ones digits.
The answer is:
← Didn't Know|Knew It →
Add the numbers: 
Add the numbers:
Tap to reveal answer
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 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:
← Didn't Know|Knew It →
Subtract the numbers: 
Subtract the numbers:
Tap to reveal answer
Subtract the ones digits.
Borrow a one from the hundreds digit of 109 to subtract the tens digit. The hundreds digit becomes a zero.
Combine the two numbers.
The answer is: 
Subtract the ones digits.
Borrow a one from the hundreds digit of 109 to subtract the tens digit. The hundreds digit becomes a zero.
Combine the two numbers.
The answer is:
← Didn't Know|Knew It →
Add the following numbers: 
Add the following numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the tens place as the carryover.
Add the hundreds places with the 1 as the carryover.
Combine this number with the ones digits of the previous numbers.
The answer is: 
Add the ones digits.
Add the tens digits with the tens place as the carryover.
Add the hundreds places with the 1 as the carryover.
Combine this number with the ones digits of the previous numbers.
The answer is:
← Didn't Know|Knew It →
Add the numbers: 
Add the numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the one as carryover.
Add the hundreds digits with the one as carryover.
Combine this number with the ones digit of the previous numbers.
The answer is: 
Add the ones digits.
Add the tens digits with the one as carryover.
Add the hundreds digits with the one as carryover.
Combine this number with the ones digit of the previous numbers.
The answer is:
← Didn't Know|Knew It →
Solve: 
Solve:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the 1 as the carryover.
Combine this number with the ones digit of the first number.
The answer is: 
Add the ones digits.
Add the tens digits with the 1 as the carryover.
Combine this number with the ones digit of the first number.
The answer is:
← Didn't Know|Knew It →
Add the numbers: 
Add the numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the carryover 1.
The answer is: 
Add the ones digits.
Add the tens digits with the carryover 1.
The answer is:
← Didn't Know|Knew It →
Add the following numbers: 
Add the following numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the one as the carryover.
Add the hundreds digits with the one as the carryover.
Combine this number with the ones digit of the other numbers.
The answer is: 
Add the ones digits.
Add the tens digits with the one as the carryover.
Add the hundreds digits with the one as the carryover.
Combine this number with the ones digit of the other numbers.
The answer is:
← Didn't Know|Knew It →
Add the following numbers: 
Add the following numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the one as the carryover.
Add the hundreds digits with the one as the carryover.
Combine this number with the ones digits of the previous steps.
The answer is: 
Add the ones digits.
Add the tens digits with the one as the carryover.
Add the hundreds digits with the one as the carryover.
Combine this number with the ones digits of the previous steps.
The answer is:
← Didn't Know|Knew It →
Add the following numbers: 
Add the following numbers:
Tap to reveal answer
Add the ones digits.
Add the tens digits with the 2 as the carryover.
Add the hundreds digits with the 2 as the carryover.
Combine the ones digits.
The answer is: 
Add the ones digits.
Add the tens digits with the 2 as the carryover.
Add the hundreds digits with the 2 as the carryover.
Combine the ones digits.
The answer is:
← Didn't Know|Knew It →