Examples with solutions for Associative Property: Addition only

Exercise #1

7+8+12= 7+8+12=

Video Solution

Step-by-Step Solution

According to the rules of the order of operations, you can use the substitution property and start the exercise from right to left to calculate comfortably:

8+12=20 8+12=20

Now we obtain the exercise:

7+20=27 7+20=27

Answer

27

Exercise #2

94+12+6= 94+12+6=

Video Solution

Step-by-Step Solution

According to the rules of the order of operations, you can use the substitution property and organize the exercise in a more convenient way for calculation:

94+6+12= 94+6+12=

Now, we solve the exercise from left to right:

94+6=100 94+6=100

100+12=112 100+12=112

Answer

112

Exercise #3

13+37+45= 13+37+45=

Video Solution

Step-by-Step Solution

According to the rules of the order of operations, we solve the exercise from left to right in the most convenient way for the calculation:

13+37=50 13+37=50

50+45=95 50+45=95

Answer

95

Exercise #4

48+31+19= 48+31+19=

Video Solution

Step-by-Step Solution

According to the rules of the order of operations, you can use the substitution property and start the exercise from right to left to comfortably calculate:

31+19=50 31+19=50

48+50=98 48+50=98

Answer

98

Exercise #5

113+59+71+57=? 113+59+71+57=\text{?}

Video Solution

Step-by-Step Solution

In order to simplify our calculations we try to add numbers that give us a round result.

Let's keep in mind that:

113+57=170 113+57=170

59+71=130 59+71=130

Now we have a more manageable exercise to solve:

170+130=300 170+130=300

Answer

300