Adding Decimals
10.08 + 5.6 =
15.68
0.8-0.3=
0.5
Finish the poem,
_____ and below, let it go. ______ and above, give it a shove.
4; 5
This property says that changing the order in which numbers are added does not change the sum.
Commutative Property
Mrs. Ward goes on a shopping spree on Amazon. She spends $79.99 on a pair of shoes, $89.99 on a picture and $154 on a new winter coat. How much money has she spent in total?
What is $323.98
10.4 + 32.8 =
43.2
127.95 - 5.56
What is 122.39
Round this decimal to the hundredths place:
0.781
0.78
This property says that the way in which numbers are grouped does not change the sum.
Associative Property
Mrs.Ward takes $100.00 to Target and spends $68.95. How much money does she have left?
What is $31.05
6.8+0.2=
7.0
2.17-1.9=
0.27
Round this number to the ones place:
17.93
18
This property says that the sum of any number and 0 equals the number.
Identity Property
Jake rode his bike 38.45 miles on Saturday and 42.3 miles on Sunday. How many miles did Jake ride altogether?
80.75 miles
3.872+2.409=
6.281
0.9-0.3
0.6
Round each decimal to the nearest tenth then add:
17.16+9.01=
26.2
Which property is shown in this addition sentence:
37+26+53=26+37+53
Commutative Property
Peyton spent $19.99 on a Lego set and $23.50 on a science kit. About how much did he spend? (Round to the nearest dollar)
What is $44.00?
2.4-0.9=
1.5
Round each decimal to the nearest hundredth. Then subtract.
74.278-62.843=
11.44
732.7+0=732.7
Identity Property
Meg had $10.52 after she left the book store. If she bought a book for $6.39, how much money did she have when she walked in the book store?
$16.91