Operation Detectives Answer Key

A 1-page print-friendly daily warm-up with a clean white background. Features 5 skip-counting drills (Part A) and a segment 100s chart with at least 10 missing blank boxes (Part B) for Week 3 place value.

A 1-page print-friendly daily warm-up with a clean white background. Features 5 backwards-counting drills (Part A) and a segment 100s chart with at least 10 missing blank boxes (Part B) for Week 2 subtraction.

A 1-page print-friendly daily warm-up with a clean white background. Features 5 counting-on drills (Part A) and a segment 100s chart with at least 10 missing blank boxes (Part B) for Week 1 addition.

A 2-page companion teacher guide for Week 4 patterns and 3-digit instruction. Provides skip-counting rhythm scripts, 3-digit place value modeling scripts, solutions, and rubric criteria with an ink-saving white background.

A 10-page print-friendly student workbook for Week 4 covering early 3-digit numbers and skip-counting patterns. Features 100-block flat icons, place value writing grids, and constellation node skip-counting.

A 2-page companion teacher guide for Week 3 place value instruction. Provides concrete block instruction scripts, ten-frame subitizing techniques, expanded notation pacing, and a completed answer key for the Planet Place Value Workbook with an ink-saving white background.

A 10-page print-friendly student workbook for Week 3 covering double-digit recognition. Features ten-frame visual grids, custom CSS base-ten rods and unit blocks, place-value charts (Tens & Ones), and structured math challenge layouts with an ink-saving white background.

A 2-page companion teacher guide for Week 2 subtraction instruction. Provides physical countdown scripts, cross-out modeling strategies, backward-counting number path pacing, and a completed answer key for the Starry Subtraction Workbook with an ink-saving white background.

A 10-page print-friendly student workbook for Week 2 covering single-digit subtraction. Features a clean white background to save ink, backward-counting number paths, subtrahend touch-point scaffolds, and vertical alignment writing grids.

A 2-page companion teacher guide for Week 1 addition instruction. Provides physical-tactile counting scripts, concrete-to-abstract modeling instructions, instructional pacing, and a completed answer key for the Cosmic Addition Workbook with an ink-saving white background.

A 10-page print-friendly student workbook for Week 1 featuring single-digit addition. Features a clean white background to save ink, 1-20 number paths on every page, custom CSS touch-point numerals, and guided workspace writing boxes.

An updated overall 2-page Scope and Sequence Teacher Guide outlining the cosmic curriculum's pedagogical philosophy, standards calibration for Grades 4–6, weekly CRA progression, and intervention trackers.

An updated 3-page advanced companion log for early finishers, featuring multi-digit decimal addition and subtraction puzzles, rounding systems, and logical space-themed word problems with clear handwriting boxes.

An updated 5-page student workbook (1 page per day) featuring double-sized dashed handwriting workspaces for 3 daily multi-step story problems calibrated to Grades 4–6 math standards inside a money context.

A 20-slide weekly adventure presentation featuring Daily Missions, 10-Question Fast Fact morning drills, Whole Group Story Problems with blank whiteboard boxes, and interactive Student-Facing Answer Reveals.