67 + 0 = ________ is an example of which addition property?
Identity, Commutative, Associative
Identity
100
25, 26, 27, ______, 29, 30
28
pattern: 1 more
100
Estimate. Round to the nearest ten.
56 + 29 =
_______ + ________ = __________
60 + 30 = 90
100
$34 + $62 =
The sum is $96
100
Alora received $42 for her birthday and $38 for Christmas. How much money did she get altogether?
Alora got $80
200
14 + 5 = ___________ 5 + 14 = __________
This is an example of which addition property?
Identity, Commutative, Associative
Commutative
200
457, ________, 657, 757, 857
557
pattern: 100 more
200
Estimate. Round to the nearest ten.
72 + 51 =
_______ + ________ = __________
70 + 50 = 120
200
127 + 245 = ______
The sum is 372
200
The grocery store had 146 gallons of orange juice and 278 gallons of apple juice. ABOUT how many gallons of juice does the store have altogether?
The store has ABOUT (430) (400) gallons of milk.
300
8 + (5 + 2) = ___________ (8 + 5) + 2) = ___________
This is an example of which addition property?
Identity, Commutative, Associative
Associative
300
1,345 1,355 ____________ 1,375
1,365
pattern: 10 more
300
Estimate. Round to the nearest hundred.
124 + 389 =
_______ + ________ = __________
100 + 400 = 500
300
$353 + $459 =
The sum is $812
300
The zoo asked visitors for vote for their favorite animal. 68 visitors voted for the lion, 142 visitors voted for the elephant, and 124 people voted for the giraffe. Which animal is the most popular?
The elephant is the most popular animal.
400
Find the sum and name the property:
9 + ( 14 + 6) = __________
(9 + 14) + 6 = __________
The sum is 29 and it is an example of the Associate Property.
400
6,484 6,494 ___________ 6,514
6,504
pattern: 10 more
400
Estimate. Round to the nearest hundred.
3,489 + 2,314 =
_______ + ________ = __________
3,500 + 2,300 = 5,800
400
6,896 + 654 =
The sum is 7,550
400
On Monday the pumpkin patch sold 157 pumpkins. On Tuesday the pumpkin patch sold 89 pumpkins. on Wednesday the pumpkin patch sold 242 pumpkins. ABOUT how many pumpkins did the pumpkin patch sell in three days?
The pumpkin patch sold ABOUT (480) (500) pumpkins.
500
Give an example of the Commutative Property.
ex:
14 + 8 = 22 and 8 + 14 = 22
500
971 981 __________ 1,001 ____________
991; 1,011
pattern: 10 more
500
Estimate. Round to the nearest ten.
2,346 + 1,987 =
_______ + ________ = __________
2,350 + 1,990 = 4,340
500
12,897 + 833 = ___________
The sum is 13,730
500
Collin read for 469 minutes in August. In September he read for 569 minutes. Complete the number sentence to show how much Collin's reading time changed from August to September.
469 + ___________ = 569