Grade 1 - Number
Standard 1.N.3 - Practice counting groups of tens up to 120.
Included Skills: Counting, Addition
Demonstrate an understanding of counting by: indicating that the last number said identifies "how many", showing that any set has only one count using the counting on strategy, using parts or equal groups to count sets. • Answer the question, "How many are in the set?" using the last number counted in a set. • Identify and correct counting errors in a counting sequence. • Show that the count of the number of objects in a set does not change regardless of the order in which the objects are counted. • Count the number of objects in a set, rearrange the objects, predict the new count, and recount to verify the prediction. • Determine the total number of objects in a given set, starting from a known quantity and counting on. • Determine the total number of objects in a set using groups of 2s, 5s, or 10s and counting on.