recognize instantly the quantity of structured arrangements;
Standard:
1.2.B
Description:
use concrete and pictorial models to compose and decompose numbers up to 120 in more
than one way as so many hundreds, so many tens, and so many ones;
Standard:
MA.1.NSO.1.2
Description:
Read numbers from 0 to 100 written in standard form, expanded form and word form. Write numbers from 0 to 100 using standard form and expanded form.
Standard:
MA.1.NSO.1.3
Description:
Compose and decompose two-digit numbers in multiple ways using tens and ones. Demonstrate each composition or decomposition with objects, drawings and expressions or equations.
Standard:
1.2.C
Description:
use objects, pictures, and expanded and standard forms to represent numbers up to 120;
