Three Digit Addition
Solve:
289+562=
851
Which property of addition is shown?
7+0=0
Identity Property
Estimate. Round each addend to the indicated place value.
49+32; tens
50+30=80
Solve:
3,097+4,519=
7,616
A new shirt costs $17 dollars and a new pair of shoes cost $35. How much money do you need to buy both items?
$52
Solve:
764+107=
871
Which property of addition is shown?
8+5=
5+8=
Commutative Property
Estimate. Round each addend to the indicated place value.
46+22; tens
50+20=70
Solve:
3,112+2,890=
6,002
If a store sold 3,567 rock CDs and 2,467 country CDs last month, how many CDs did they sell in total?
6,034 CDs
Solve:
395+488=
883
Which property of addition is shown?
0+9=9
Identity Property
Estimate. Round each addend to the indicated place value.
128+424; hundreds
100+400=500
Solve:
6,015+1,765=
7,780
Students borrowed 632 fiction books and 392 nonfiction books from the library. How many books did they borrow in total?
1,024 books
Solve:
289+492=
781
Which property of addition is shown?
3+7=
7+3=
Commutative Property
Estimate. Round each addend to the indicated place value.
347+479; hundreds
300+500=800
Solve:
8,038+976=
9,014
Kennedy wants to buy a video game for $55. She also wants to buy a DVD for $23. How much money does she need?
55+23=$78
Solve:
166+379=
545
Which property of addition is shown?
3+(2+4)=
(3+2)+4=
Associative Property
Estimate. Round each addend to the indicated place value.
233+459; tens
230+460=660
Solve:
8,620+617=
9,237
The Franklin family drives 236 miles on Monday and 272 miles on Tuesday. About how many miles will the family drive both days?
240+270=510 miles