What can first graders do in terms of basic number concepts and of addition/subtraction of sums less than 20?
-Recognize numbers (1-100)
-Simple addition (single digits)
-Count to 100
-Count by 10s, 5s, evens and odds
-Greater than/less than
-Add/Subtract using manipulatives
-Split a number into equal groups (total in two sets or more)
-Sequencing (5, ? , 7)
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