Properties of Addition
Addition Patterns
Word problems
Estimate by Rounding
Addition
100
6 + 0 = 6
What is the Identity Property of Addition?
100
1 more than 75
What is 76?
100

At a Halloween party, there were 3,486 pieces of candy in one bowl. The kids added 725 more pieces of candy.

How many pieces of candy are there altogether?

4,211 pieces of candy 

100
Estimate by rounding to the nearest 10. 75 + 12
What is 90?
100
192 + 464
What is 656?
200
8 + 7 = 7 + 8
What is the Commutative Property of Addition?
200
2,343; 3,343; 4,343; 5,343 Pattern: Adding ____
What is 1,000?
200

A pumpkin patch had 4,275 pumpkins. Farmers brought in 638 more pumpkins.

How many pumpkins are there in the pumpkin patch now?


4,913 pumkins

200
Round to the greatest place. 634 + 788
What is 1,400?
200
387 + 251
What is 638?
300
(7 + 6) + 5 = (6 + 5) + 7
What is the Associative Property of Addition?
300
495, 505, 515, ___, ___, 545 Pattern: Adding ____
What is 525, 535, and 10's?
300

A school book fair sold 3,456 books on Monday. On Tuesday, they sold 728 more books. On Wednesday, they sold 415 more books.

How many books did the school book fair sell altogether?


4,599 books

300
Estimate by rounding to the nearest hundred to find the sum. 305 + 853
What is 1,200?
300
834 + 486
What is 1320?
400
This property states that you can change the order of the addends and still get the same sum.
What is the Commutative Property of Addition?
400
10 more than 723 100 more than 723 1,000 more than 723
What is 733, 823, 1,723?
400

Julia saved $24.75 last week. This week, she saved $13.50. Her grandmother gave her another $8.25.

How much money does Julia have altogether?


$46.50

400
Estimate by rounding to the nearest 100 to find the sum. 632 + 583
What is 1,200?
400
6,345 + 2,956
What is 9301?
500
This property states that the way in which addends are grouped does not change the sum.
What is the Associative Property of Addition?
500
1,000 more than 9,876 100 more than 9,876 10 more than 9,876 1 more than 9,876
What is 10,876; 9,976; 9,886; 9,877?
500

Liam earned $32.40 from doing chores. He earned $15.75 from helping his neighbor and $6.50 from walking a dog.

How much money did Liam earn altogether?


$54.65

500
Estimate by rounding to the nearest ten to find the sum. 578 + 409
What is 990?
500
7,895 + 3,647
What is 11,542?
M
e
n
u