This 2.OA.2 Addition and Subtraction Fluency within 20 unit focuses on the Common Core math standards 2.OA.2. This asks students to fluently add and subtract within 20, using counting on, counting back, and other mental strategies. There are daily lesson plans, whole group activities, partner practice activities, MATH group centers, exit slips, and assessments.
2.OA.2 Addition and Subtraction Fluency within 20 includes:
- Whole group activity
- Partner practice activity
- MATH group: Math writing, Apply new skills, Teacher time, Hands-on math (Teacher time is differentiated learning opportunities for remediation, on-level, and enrichment.)
- Exit slip
2.OA.2 Addition and Subtraction Fluency within 20 focus:
–First Day- Doubles and Near-Doubles
–Second Day- Finding a Ten Within
–Third Day- Part-Part-Whole Mats
–Fourth Day- Related Facts and Fact Families
–Fifth Day- Mentally Counting On and Counting Back
–Sixth Day- Fluent Math Mixed Review
2.OA.2 Addition and Subtraction Fluency within 20 is part of a 2nd grade OA bundle. Click HERE for the bundle.
This unit is also part of a full-year Common Core Standards based bundle that you can find HERE.
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
The 2.OA.2 Addition and Subtraction Fluency within 20 unit activities that are included in my short answer, centers, printables, and interactive notebooks are similar but have all been changed to fit these lesson plans. The short answers have different prompts and are now part of MATH groups, the printables & interactive notebooks have been updated and are used during the ‘Apply new skills’ part of MATH groups.
This 2.OA.2 Addition and Subtraction Fluency within 20 Unit purchase is for one single classroom only.
If you would like to share this unit with other classrooms, please make sure to buy the extra licenses here. Please contact me directly for a site license quote at [email protected].