Identify the Addition Property
(4+0.7)+0.3=4+(0.7+0.3)
Associative Property
300
Use compensation
482+329
811
400
Round 0.92 to the tenths place.
0.9
400
Estimate 3.95+11.76. Show your work!
4+12=16
400
7.013-2.21=
4.803
400
Use properties of addition to find the sum mentally
46+4+31
Associative Property
(46+4)+31
50+31 = 81
400
Use compensation
12.6+7.5
20.1
500
Round 75.235 to the hundredths place.
75.24
500
Valeria had $78.51 in her bank at home. She adds $3.67 in change. About how much does she have now? Show your work!
79+4=$83
500
The male human heart weights an average of 11.1 ounces. This is 1.8 ounces more than the average female's heart. How much does the average female's heart weight?
9.3 oz
500
Use properties of addition to find the sum mentally
8.7+4+0.3
Commutative Property then Associate Property
(8.7+0.3)+4
9+4 = 13