Properties
The grocery store sold 115 containers of strawberry yogurt and 209 containers of vanilla yogurt. About how many containers of yogurt did they sell altogether?
330 or 300
If Jefferson studies for 37 minutes in the morning and 42 minutes in the evening, about how long will he have studied in all?
80 MIn
Carlos saved $73 in August and $15 in September. How much money did he save in two months?
$98
Find the sum
Eva saved $129 in May and $132 in June. how much money did she save?
$261
$6,225+2,137;hundreds
8300
Penni walked her dog for 29 minutes on Friday, 35 on Saturday, and 41 on Sunday. How many total minutes did she walk her dog?
105
Find each sum> Identify the addition property
0+125=
125 Identity
Estimate. Round each addend to its greatest place value.
388+311
700
Find the sum
1,246+2,225
3,471
617+123:hundreds
700
2,564+X=2664
+100
Find the sum and Identify the property
6+(4+9)=
19 Associative
Estimate. Round each addend to its greatest place value.
34+7
40
Find the sum
357+427=
784
$78+$15:Tens
100
What number is 100 more the 3,678
3,778