Syndicate this site (XML)
Syndicate this category (XML)
Lerning Targit
Estimating sums and diferences
Example
23.97 -> 34
+42.24 -> +42
76
Lesson
We are estimating sums and diferences by seeing if the number is 0-4 the number stays the same and if the number is 5-9 you round up
take a quiz