Place Value
Write the place of the italicized digit. Then write its value.
87,923,401,640
hundred millions
900,000,000
Solve by rounding to the nearest hundreds.
345-274
0
Name the property.
6+0=6
identity
1 6 4 5
+ 4 5 0
2095
20 x 102 2 _?_
2000
Write the place of the italicized digit. Then write its value.
283,100,625,497
Ten Billions
80,000,000,000
Solve by rounding to the nearest thousands
6789+7923
15,000
DAILY DOUBLE!
An art teacher needs 1500 boxes of crayons for the upcoming school
year. If she already has 862 boxes, how many more does she need?
638 boxes
6 0 0 0
- 8 4 7
5153
5x103
5000
Write the place of the italicized digit. Then write its value.
1,085,589
hundred thousands
0
solve using front end estimation
2 3 0 8
4 4 1 1
+ 9 7 5 7
about 16,000
Name the rule
4-4=0
5-0=5
identity
1 2 9
3 8 5
+8 1 0
1324
18,000 / 102
/=divide
180
Write the place of the italicized digit. Then write its value.
56,234
tens
30
solve using front end estimation
1 0 6
4 7 8
2 9 9
+ 7 1 8 7
about 8,000
Name the property.
13 + 12 = _?_ + 13
commutative
9 5 4 , 0 0 7
– 5 0 , 5 7 5
903,432
2,000,000 / 103 =_?_
2,000
Write the place of the italicized digit. Then write its value.
789,101,121,234
ten thousands
20,000
Solve using front end estimation
1 5 8 , 1 9 8
4 6 , 0 8 7
+ 2 , 0 6 3
206,348
Name the property
17 + (34 + 8) = (17 + _?_ ) + 8
Associative
1 5 8 , 1 9 8
4 6 , 0 8 7
+ 2 , 0 6 3
206,348
18 x 108
1,800,000,000