Mystery Math Worksheet
A 4th-grade math worksheet featuring four word problems (one for each basic operation) with a spy/detective theme. It emphasizes 'clue words' and multi-digit calculations requiring regrouping.
Mystery Math Answer Key
Teacher answer key for the Mystery Math Worksheet. Includes solutions for addition, subtraction, multiplication, and division word problems with regrouping, highlighting key clue words.
Mystery Math Slides
A visual presentation for introducing multi-digit word problems focused on identifying 'clue words'. Includes definitions for each operation and guided case studies for modeling calculations with regrouping.
Covert Cases Worksheet
A second worksheet for the 'Clue Word Detectives' lesson, featuring four new word problems (one per operation) with multi-digit regrouping and a spy theme.
Covert Cases Answer Key
Teacher answer key for the Covert Cases Worksheet. Includes solutions for addition, subtraction, multiplication, and division word problems with regrouping.
Shadow Ops Worksheet
A third set of four word problems for the 'Clue Word Detectives' lesson, focusing on addition, subtraction, multiplication, and division with multi-digit regrouping.
Shadow Ops Answer Key
Teacher answer key for the Shadow Ops Worksheet. Includes solutions for addition, subtraction, multiplication, and division with regrouping, specifically addressing subtration across zeros and division with zero in the quotient.