Addition Properties
Name the Addition Property that is shown.
(17 + 2.7) + 18 = 18 + (17 + 2.7)
Commutative Property
43.14 + 5.12 =
48.26
20.8 - 7.34=
13.46
What number is in the hundredths place?
45.67
7
Round 3.456 to the nearest hundredth
4.46
Name the Addition Property that is shown.
56.5 + 32.8 = 56.5 + 38.2 + 0
Identity Property
114.73 + 68.1=
182.83
34.63 - 27.9=
6.73
What number is in the ones place?
23.09
3
Round 9.12 to the nearest whole number
9
Name the Addition Property that is shown.
27.8 + 0 = 27.8
Identity Property
0.79 + 0.45 =
1.24
15- 0.48=
14.52
What number is in the tenths place?
9.12
1
Round 7.352 to the nearest tenth
7.4
Name the Addition Property that is shown.
19.5 + 19.1 = 19.1 + 19.5
Commutative Property
17.82 + 3.66 =
21.48
87.4 - 38.821 =
48.579
What number is in the tens place?
76.9
7
Estimate, then subtract
53.95 − 29.72
24
Name the Addition Property that is shown.
(14 + 29) + 18 = 14 + (29 + 18)
Associative Property
Jenna spent $7.75 at the arcade on Friday and $11.50 at the arcade on Saturday. How much money did Jenna spend altogether?
$19.25
The coach recorded how fast his runners ran 1 mile.
Emmett ran a mile in 9.73 minutes, Kate ran a mile
in 10.87 minutes, and Robin ran a mile in 8.46 minutes. How many more minutes did Emmett run than Robin?
1.27 Minutes
When you read a number with a decimal, what do you say when you see the decimal?
AND
Estimate, then add.
84.3 + 10.83
95