Properties of Addition
What are the three properties of addition?
Associative, Identity, Commutative
343 + 110 =
453
300-196=
104
There are 423 boys and 590 girls at a soccer game. How many more girls than boys are there in the game?
167
Estimate- Round to the nearest ten 349-156=
190
Which property does this problem show? 130 + 0 = 130
Identity
4,600 + 1,500 =
6,100
3,000 - 150
2,850
Alondra drove for 2,250 miles to visit New York City from Washington DC. Her friend, Andy, drove 7,970 miles from Chicago. How many more miles than Andy drive than Alondra ?
5,720
Estimate-Round to the nearest ten 579+219=
800
Which property does this problem show? 520 + 340 = 340 + 520
Commutative
80,920 + 4,880
85,800
1,303 - 1,104 =
199
Genesis wrote down on a paper her guess for the unicorn food at the book fair. She guessed that the number of fruit loops in the jar was 356 but the book fair revealed that the exact number of fruit loops was 890. How many fruit loops fewer than what was in the jar did Zoe guess?
534
Estimate-Round to the nearest hundred 456+328=
800
Which property does this problem show? (2,000 + 300) + 10 = 2,000 + (300 + 10)
Associative
60,904 + 54,832 =
115,736
10,000 - 6,452 =
3,548
Isaac borrowed $267 from his mom and he promised to pay her back once he got paid. Next paycheck, he received $969 and he paid his mom the money as promised. How much money was he left with?
$702
Estimate-Round to the nearest thousand 7650-248=
7,000
Write a problem using one of the properties of addition.
Give your classmates a problem to solve! If they get it right, they get 500 points!
Yay!
17,014 - 3,225 =
13,789
There were 50,300 people standing and 3,420 people sitting at a concert. How many more people standing than sitting were there at the concert?
46,880
Estimate-Round to the nearest hundred thousand 500,022 - 200,013=
300,009 rounds to 300,000