Operation Detectives Worksheet

A comprehensive multi-lesson 4th-grade math unit focused on mastering long division with remainders using place-value strategies, algorithmic precision, and systematic verification. Students build algorithmic fluency across three-digit and four-digit dividends.

A complete differentiated regrouping assessment suite featuring 2-digit and 3-digit pre-tests, post-tests, and intervention retests with 10 problems each. Includes place value trading boxes, word problems, and teacher diagnostic scoring guides.

Comprehensive teacher scoring guide and intervention rubric covering both the 2-digit Post-Test and Retest, featuring parallel answer keys and diagnostic guidance.

A comprehensive standards-aligned mathematics curriculum suite spanning kindergarten number decomposition IEP toolkits to elementary algebraic problem-solving missions.

A third-grade Halloween-themed mathematics resource focusing on single-step two-digit addition and subtraction word problems. Students analyze real-world story scenarios, determine the required operation, and compute accurately with sufficient space for visual modeling and standard algorithms.

A parallel 10-problem retest document assessing 2-digit addition and subtraction with regrouping for post-intervention verification.

A comprehensive elementary resource sequence covering computational math skills and third-grade reading fluency with timed passages.

A foundational 4th-grade math lesson on mixed long division with 2-digit and 3-digit dividends divided by 1-digit divisors with no remainders. Students build procedural automaticity with standard algorithm cycles and multiplication checks.

A 10-problem assessment document testing 2-digit addition and subtraction with regrouping, featuring Tens and Ones place value boxes and real-world word problems.

A structured 10-week Tier 3 intervention sequence targeting place value foundations and two-digit addition and subtraction fluency. Designed for intensive one-on-one or small group support using multisensory models, explicit routines, and systematic progress monitoring.

A targeted 4th-grade math lesson on dividing three-digit dividends by one-digit divisors with remainders. Students master the standard algorithm across hundreds, tens, and ones places with robust verification procedures.

Teacher scoring key and growth analysis guide for the Growth Post-Test, featuring complete step-by-step solutions, pre-to-post comparative growth metrics, and intervention sorting criteria.