First graders complete a number of activities that increase their number sense and use of simple operations. They use dice and worksheets to make two-digit numbers and to record them, they count by tens and ones, and order numbers using...

From filling in the missing number to filling in the missing letter; to writing fluency sentences to skip counting and matching, a complete set of back to school math a literacy centers will not disappoint. Use these activities...

Students sample goodies from an unseen ocean floor and try to accurately describe their composition. This simulation helps students explain the limitations of sampling and the problem of obtaining representative samples of sea floor...