11. Count on to Add within 20
Count on to Add within 20 Worksheet focuses on the Counting on or Count on method to add numbers. This method relates addition to counting. For example, to add 3 and 4, students can start from 3 and count on 4 steps to arrive at the sum (7). To help with visualization of the concept, number lines and pictures are used initially, before progression to counting mentally. The sum of numbers does not exceed 20.
Common Core Alignment
1.OA.5Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).