Properties of Addition
Strip Diagrams
Estimating
Solve the Equation
Word Problems
100
6 + 0 = 6 Name the property
What is the Identity Property
100
Draw a strip diagram to solve the following problem: Jenny was training for a swim meet. On Monday she swam 165 laps in the pool. On Tuesday, she swam 78, and on Wednesday she swam 67 laps. How many laps did Jenny swim in those 3 days?
What is 310
100
Estimate the sum of 45 and 21
What is 70
100
524-289=?
What is 235
100
Greg had 271 video games in his collection. He sold 75 video games in a garage sale. How many video games does Greg have in his collection now?
What is 196 video games
200
4 + 7 = 7 + 4 Name this property of addition
What is the Commutative Property of Addition
200
Draw a strip diagram to solve the following problem: Mrs. Spear's class made 87 cookies for a party. When the party was over, there were 12 cookies left. How many cookies were eaten?
What is 75
200
Estimate the difference of 83 and 34
What is 110
200
500-274=?
What is 226
200
Charlie was selling popcorn for his Boy Scout troop. He sold 345 bags the first day, 87 bags the second day, and 176 bags the third day. How many bags of popcorn did Charlie sell in those 3 days?
What is 608 bags of popcorn
300
3 + (7 + 23) = (3 + 7) + 29 Name this property of addition
What is Associative Property of Addition
300
Draw a strip diagram to solve the following problem: At Bridge Elementary School, there are 133 boys in kindergarten through second grades and 163 boys in third through fifth grades. How many more boys than girls attend Spring Elementary School?
What is 30
300
Lauren made 52 bracelets. Sherry made 78. About how many bracelets did they make all together?
What is 130
300
1,246-897=?
What is 349
300
Ms. Spear's third grade class made 87 cookies for their party. They made 50 chocolate chip cookies, 18 oatmeal cookies, the rest of the cookies were chocolate chip with pecans. How many cookies were chocolate chip with pecans?
What is 19
400
Which letter choice represents the Commutative Property of Addition? A. 5 + (4 + 3) = (5 + 4) + 3 B. 5 + 0 = 5 C. 6 + 7 = 7 + 6
What is C
400
Draw a strip diagram to solve the following problem: There are 278 dogs that are entered into the pet show. 121 of the dogs have pointy ears and the rest of the dogs have fluffy ears. How many of the dogs have fluffy ears?
What is 157
400
Charlie had 302 Pokemon cards in his collection. He let his brother have 58. About how many Pokemon cards does Charlie have now?
What is 240
400
1,000-745=?
What is 255
400
Tommy had 45 Starbursts. Jim had 13 less than Tommy and Michael had 5 less than Jim. How many Starbursts did Jim have?
What is 27
500
Name each property: A. (7 + 8) + 2 = 7 + (8 +2) B. 4 + 0 = 4 C. 4 + 5 = 5 + 4
What is A. Associative B. Identity C. Commutative
500
In January, Maggie had $233 in her savings account. By March, she had $2,792. And by July, Maggie had a total of $5,386. What is the difference in the amount of money Maggie started out with in January and the amount of money Maggie had in July?
What is $5,153
500
What is the sum of 1,248 and 789 when the numbers are rounded to the nearest 10?
What is 2,040
500
1,000 - ? = 645
What is 355
500
Juan had 32 bottle caps. After he gave his brother 15, Juan was given 13 more bottle caps from his friends. How many bottle caps does Juan have now?
What is 30
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