Every Learner by UpOnly Learning
One Sheet, Three Levels: a free differentiated math worksheet
One skill, adding and subtracting within 20, on one page with three paths. Every student practises the same skill with the support they need.
One Sheet, Three Levels: Add & Subtract Within 20
One math skill on one page, in three paths: A with ten-frames and number lines, B with numbers, C with word problems.
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What is on the sheet
- Path A: ten-frames and number lines
- Path B: number facts
- Path C: one- and two-step word problems
- The paths are called A, B and C, never “low” or “high”
- Aligned to CCSS 2.OA.B.2, “Fluently add and subtract within 20 using mental strategies”; Path C also touches 2.OA.A.1[1]. The Portuguese sheet is tagged BNCC EF02MA05[2].
- A separate answer key page, and an ink-saver (black-and-white) copy
How to pick a path
Try a few items from Path B. If most are easy, move to Path C; if most are hard, use Path A. Every path practises the same skill.
Research behind the approach
- Understood.org describes differentiated instruction as a teaching approach that tailors instruction to all students' learning needs[3], and Reading Rockets calls it a flexible and individual approach[4].
- A 2019 systematic review found mostly small-to-moderate positive effects of differentiated instruction, and also severe knowledge gaps[5]. We offer levels as a convenience, not a guarantee.
- The IES practice guide for students who struggle with math gives a “Strong” rating to using concrete and semi-concrete representations and to using the number line[6]. That is why Path A has ten-frames and number lines.
- CAST's Universal Design for Learning guidelines include building fluency with graduated support for practice[7].
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Questions
It means adjusting teaching to students' different needs. Understood.org calls it a teaching approach that tailors instruction to all students' learning needs[3].
Research is promising but still limited. A 2019 systematic review found mostly small-to-moderate positive effects, and also severe knowledge gaps[5]. We offer levels as a convenience for teachers and parents, not as a guarantee.
Try a few items from Path B. If most are easy, move to C; if most are hard, use A. Every path practises the same skill.
Yes, on its own page.
Keep reading
Written by the UpOnly Learning team. Sources checked 26 Oct 2026; page updated 27 Oct 2026.
References
- Common Core State Standards Initiative. Grade 2 Operations & Algebraic Thinking. Checked 26 Oct 2026.
- Nova Escola. BNCC habilidade EF02MA05. Checked 26 Oct 2026.
- Understood.org. Differentiated instruction: What you need to know (Geri Coleman Tucker; expert review Kylah Torre). Checked 26 Oct 2026.
- Reading Rockets (WETA). Differentiated Instruction (topic page). Checked 26 Oct 2026.
- Frontiers in Psychology. Smale-Jacobse, Meijer, Helms-Lorenz & Maulana (2019). Differentiated Instruction in Secondary Education: A Systematic Review of Research Evidence. 10:2366. Checked 26 Oct 2026.
- Institute of Education Sciences, What Works Clearinghouse. Assisting Students Struggling with Mathematics: Intervention in the Elementary Grades (Fuchs et al., 2021), IES Practice Guide. Checked 26 Oct 2026.
- CAST. Universal Design for Learning Guidelines version 3.0 (2024). Checked 26 Oct 2026.