Addition Properties
What are the addition properties?
identity, commutative, and associative.
What is the place value of the underlined number?
7,830,987
Hundred thousands
What is the value of the underlined number?
0.06
hundredths
Estimate by using front end estimation.
2,587
4,676
+7,829
20,000
Round the underlined number.
163, 128
160,000
9 + 5 = 5 + 9
commutative
What is the place value of the underlined number?
365,123,000
ones
Write the value of the underlined number.
0.918
tenths
Estimate by using front end estimation.
5,932
8,765
+3,989
18,000
Round the underlined number.
84,193,103
84,193,000
What property is this?
4 + 0 = 4
identity
Write the number in standard form.
Five hundred seventy-three
573
Write the decimal in standard form.
seven thousandths
0.007
Estimate by using front end estimation.
6,876
- 3,257
2,000
Round to the greatest place.
53,678
50,000
What property is this?
( 3 + 4 ) + 8 = 3 + ( 4 + 8 )
Associative
Write the number in standard form.
Three thousand, four hundred twenty-five
3,425
Write the decimal in standard form.
nine hundred four thousandths
0.904
Estimate by rounding.
890
763
+723
2,370
Round to the greatest place.
5,748,111
6,000,000
Fill in the blanks.
6 + ______ = 6
5 + _____ = 8 + 5
( 2 + 6 ) + 9 = 2 + ( _____ + 9 )
0
8
6
Write the word name for this number.
590,235
five hundred ninety thousand, two hundred thirty-five
Write the word name for this decimal.
2.461
two and four hundred sixty one thousandths
Estimate by rounding.
9,985
7,645
+4,987
22,630
Round each to the nearest ten cents, dollar and ten dollar.
$146.72
$146.70
$147.00
$150.00