: Written and oral addition and subtraction within 100, including properties such as the commutative and associative laws.

: Work is completed with 1–3 minor errors or up to 75% accuracy.

According to the assessment criteria , student performance is categorized as follows: : Work is performed without errors.

: Significant errors are present (4 or more major mistakes), with less than 50% of the work correct. Sample Practice Tasks

: Counting up to 100, understanding the decimal composition of numbers (tens and ones), and comparing two-digit numbers.

To prepare for a 2nd-grade mathematics test or control work for the 2nd quarter based on the program, students generally focus on mastering two-digit numbers, oral and written addition/subtraction, and geometric concepts. Key Topics for the 2nd Quarter

: Working with units of time (hour, minute) and length (cm, dm). Structure and Assessment

: Solving multi-step text problems involving "more than" or "less than" comparisons.