Demonstrates use of calculator. Uses calculator to count by 2s, 5s, and 10s. Reads relations sentences correctly. Writes dictated relations sentences. Uses relations in number stories.
Orders objects by weight form lighter to heavier.
Writes turn-around facts for Fact Triangles. Recognizes the inverse relationship between addition and subtraction. Reads and writes 3-digit numbers. Identifies place values in 3-digit numbers. Writes addition and subtraction stories.