Adding Using Decimals
Rounding Decimals
Addition Properties
Solving Equations
100
6.007 + 13.5=
19.507
100
Round .45 to the nearest TENTH
.5
100
Solve for n 256 + (15 + n)= (256 + 15) +2
n= 2
100
n + 10= 15 n=
n= 5
200
What is the first thing you need to do in order to be successful when adding or subtracting using decimals?
Line up the decimal points!
200
Round .3456 to the nearest TENTH
.3
200
What addition property does this equation show? 12+3= 3+12
Commutative Property
200
$60 - n= $52 n=
n= $8
300
0.234 + 16.89=
17.124
300
Round 123.7893 to the nearest HUNDREDTH
123.79
300
What addition property does this equation show? (8+2) + 5= 8 + (2+5)
Associative property
300
26 - n= 13 n=
n= 13
400
23.999+.08=
24.079
400
Round .53632 to the nearest THOUSANDTHS place.
0.536
400
Answer this language frame. The _________ property says that it doesn't matter how you ORDER the addends in an addition problem.
Commutative property
400
I know the solution to my variable is correct because ________.
I plugged in the variable making the number sentence true. What other answers did you say?
M
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n
u