(5+2) + 3= 5 + (2+3) is an example of the _________ property of addition.
Associative
100
10 more than 23
33
100
Round to the nearest ten to estimate the difference of
3,242 – 2,567 =
670
100
493 + 207 =
700
100
7,769 – 3,435 =
4,334
200
8 + 0 = 8 is an example of the ________ property of addition.
Identity
200
100 more than 568
668
200
Round to the nearest hundred to estimate the sum of 1,245 + 482 =
1,700
200
29,380+10,225=
39,605
200
504-287
217
300
74+68=68+74 is an example of the ________ property of addition.
Commutative
300
Complete the number sentence: 36,525+____=36,625
100
300
Round to the nearest ten to estimate the sum of 234 + 5,267 =
5,500
300
743,980+211,315=
955,295
300
98,600 – 54,587 =
44,013
400
Find the unknown and tell which property is being used. 17+(11+18)=(17+__ )+18
11 Associative property
400
Complete the number sentence: 98,264-______=88,264
10,000
400
A total of 2,691 people attended the school play. A total of 1,521 people attended the band concert. About how many more people attended the play than the concert? Round your answer to the nearest hundred.
About 1,200 people
400
There were 4,585 students who rode the bus to school today. There were 3,369 students who came to school another way. How many students were there in all at the school?
7,954
400
The Mississippi River is 2,320 miles long. The Ohio River is
981 miles long. How much longer is the Mississippi River than the Ohio River?
1,339
500
Chloe ate 10 grapes and 5 crackers. Layla ate 5 grapes and 10 crackers. Who ate more food items? Write a number sentence. Then identify the property or rule used.
They ate the same amount. 10+5=5+10; Commutative property of addition
500
Gary completed this number pattern. Find and correct his mistake. 27,389; 26,389; 25,389; 23,389; 24,389
The pattern is 1,000 less, but Gary switched the last two numbers. They should have been 24,389; 23,389
500
Maria's school raised $23,240 in magazine sales and Cole's school raised $16,502. About how much more money did Maria's school raise? Round to the nearest thousand.
About $6,000
500
A zoo has two elephants, Sally and Joe. Sally weighs 7,645 pounds, and Joe weighs 12,479 pounds. How much do Sally and Joe weigh in all?
20,124 pounds
500
There were 87,000 people at the concert. Of those people,
9,478 got free tickets. How many people had to pay for
their tickets?