2.1.1.A
Demonstrate the relationship between numbers and quantities, including place value, one-to-one correspondence, rote counting, counting by twos to 20, counting by tens and fives and comparing values of whole numbers up to 100.
2.1.1.C
Use concrete objects, drawings, diagrams or models to show the concept of a fraction as part of a whole; use whole numbers and fractions (halves and fourths) to represent quantities.
2.1.1.D Apply place value concepts and base-ten numeration to order and compare whole numbers up to 100
2.1.1.F Select the appropriate operation (addition or subtraction) to solve problems.
2.1.1.B
Represent equivalent forms of the same number through the use of pictures and concrete objects (including penny, nickel, dime, and quarter), up to 100.
2.1.1.E Describe even and odd numbers as they relate to a number pattern.
CC.2.1.1.B.1 Extend the counting sequence to read and write numerals to represent objects.
CC.2.1.1.B.2 Use place value concepts to represent amounts of tens and ones and to compare two digit numbers.
CC.2.2.1.A.1 Represent and solve problems involving addition and subtraction within 20.