Amir wrote an equation on the board.
29 + 0 =29
Which property is this an example of?
Identity Property of Addition
100
Round this number to the nearest 100s
268
300
100
Round this number to the nearest 10s.
91
90
100
Leon collected 20 bags of candy on Tuesday. He collected 3 more bags on Wednesday. How many bags of candy did Leon collect?
23 bags of candy.
100
Find the difference.
20 - 8 = _______
12
200
Give me an example of commutative property of addition.
ex: 7 + 9 = 9 + 7
200
What does this number round to?
899
900
200
Round this number to the nearest 10
5
10
200
Solve this problem.
133 + 145 = ______
133 + 145 = 278
200
Paige had 18 cookies. She ate 11. How many cookies does she have left?
7
300
This is an example of which property?
(9 + 0) + 6 = 9 + (0 + 6)
Associative property of addition
300
Sean wrote a number on the board.
349
Round this number to the nearest 100s.
300
300
Chloe picked 425 flowers. What is the number of flowers picked rounded to the nearest 10s.
430
300
Kaitlyn measured the height of her toy giraffe. It was 10 ft tall. Janessa's giraffe was 5 feet taller than Kaitlyn's. How many feet tall are the two giraffes?
25 ft tall.
300
Find the difference.
780 - 216 = _____
564
400
Write an example of associative property of addition.
Ex: (9 + 8) + 7 = 9 + (8 + 7)
400
Give me two numbers that rounds up to 300.
Any two numbers between 250 and 299.
400
What is 396 rounded to the nearest 10s and 100s?
396 to the nearest 10s and 100s is 400.
400
Solve the problem
165 + 299 =
165 + 299 = 464
400
Sebastian wrote 300 words for his story. Priscila wrote 197 words for her story. How many more words did Sebastian write than Priscila?
Sebastian wrote 103 more words than Priscila.
500
What is the difference between the associative property of addition and commutative property of addition?
The associative property of addition involves changing the addend groups. The commutative property only changes the order of the numbers.
500
Catalina ran for 209 minutes. Matis ran for 199 minutes. How many minutes did they run in total? Round your answer to the nearest 100.
Julie and Janessa ran about 400 minutes in total.
500
Angelina read a book for 396 minutes. Adrian read for 415 minutes. How many minutes did Adrian and Sam read in total? Round your answer to the nearest 10s.
Sam and Adrian read for 820 minutes.
500
Miller, Marco, and Aaliyah filled up their reading logs at the end of the year. Miller read 162 books. Marco read 347 books. Aaliyah read 245 books. What is the sum of the books they read?
754 books
500
Jasmine wrote the equation :
227 + 716 = 943
Write an equation to check if the sum is correct.