Shape House Slides

A targeted two-week Tier 2 mathematics intervention focusing on standard 1.NBT.C.5. Students develop conceptual understanding and mental fluency finding ten more and ten less than any two-digit number.

Week two builds automaticity, mental reasoning, and flexible application of 10 more and 10 less in multi-step contexts and word problems. Concludes with a comprehensive post-assessment.

A 4-page counting worksheet featuring 20 engaging counting problems covering all numbers from 1 to 20. Designed with clear structured icon arrays and dedicated handwriting answer boxes to support 1-to-1 correspondence and number formation.

A comprehensive 3-lesson primary math sequence designed to develop first graders' mental fluency with finding 10 more and 10 less than any two-digit number. Students transition from concrete base-ten models and hundreds-chart leap patterns to rapid mental calculations and clear verbal explanations.

Week one builds foundational understanding of how adding or subtracting ten changes the tens digit while the ones digit remains constant. Students transition from number grid navigation to mental calculation through structured daily routines.

A comprehensive 2-page post-assessment for standard 1.NBT.C.5 evaluating mental addition and subtraction of 10. Includes student test items, mental strategy explanation prompts, scoring guide, and class tracking log without any graphics.

An 8-lesson kindergarten mathematics unit developing foundational concepts of direct length comparison, conservation of number, keeping track to 20, and ordering quantities. Students progress from physical alignment and sorting to abstract numerical comparison and sequence ordering.

An engaging Kindergarten mathematics lesson introducing repeating patterns (AB, AAB, and ABC) through movement chants, detective mystery challenges, and hands-on manipulative center stations.

A 2-page partner intervention fluency game for Week 2. Features a 5x5 number claim game board, game rules, and printable cut-out mental challenge cards without any graphics.

A foundational elementary curriculum covering progressive multi-digit mathematics operations and early literacy grammar and phonics analysis.

A three-tiered cosmic math unit covering early subtraction within 10, progressive subtraction to 20, and challenging two-digit subtraction with regrouping.

A 2-page student practice packet for Week 2 covering Days 6 through 9. Features rapid mental retrieval sprints, missing number balance equations, and word story problems with generous handwriting areas and zero graphics.