Understand benchmarks of five and ten.
The student will a) count forward to 100 and backward from 10; b) identify one more than a number and one less than a number; and c) count by fives and tens to 100.
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Understand that changing the spatial arrangement of a set of objects does not change the total amount of the set.
Group 100 or fewer objects together into sets of fives or tens and then count them by fives or by tens.
Cardinality is knowing how many are in a set by recognizing that the last counting word tells the total number in a set.
A number path is a counting model where each number is represented within a square and the squares can be clearly counted. Example of a Number Path [Graphic cannot be reproduced.]