Students use their addition math skills to solve the case of the Angry Adder! This math mystery will engage and motivate during math time, whilst getting in lots of Double and triple digit addition practice and review.
NEW - Editable Items list added to the packet. This way you can change the item names and alter the mystery outcome. There are also two alternative pre-made lists you can use instead. This is a great option if your students have already done this mystery story before and you need to change the mystery answer.
There are 5 clues to crack to solve the mystery:
Clue 1: Horizontal Addition (Within 100)
Clue 2: Adding 3 Numbers (2-digit and 1-digit numbers within 100)
Clue 3: Addition Input/Output Tables (3-digit Numbers within 1,000)
Clue 4: Addition Algorithms (3-digit and 2-digit numbers within 1,000. No Regrouping.)
Clue 5: Addition Algorithms (3-digit and 2-digit numbers within 1,000. Regrouping required.)
Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards.
Great activity for addition review.
This Addition math mystery is available for Grades 1-5.
CLICK HERE TO VIEW GRADE LEVELS AVAILABLE
You may also like: Subtraction Math Mystery: Case of The Dream Snatcher (GRADE 3)
See a list of all the Math Mysteries HERE