Addition (GRADE 4)

Addition Math Mystery – Case of The Angry Adder {Addition GRADE 4 US Common Core Aligned} – Engage and motivate your students during math time with this fun addition activity!


Students have to use their addition math skills to discover which item can be used to capture the Angry Adder!

There are 5 clues to crack to solve the mystery:

Clue 1: Horizontal Addition (2-digit and 3-digit numbers)
Clue 2: Balance Addition Equations (2-digit and 3-digit numbers)
Clue 3: Addition Input/Output Tables (3-digit and 4-digit Numbers)
Clue 4: Addition Algorithms (4-digit numbers.)
Clue 5: Addition Algorithms (4-digit, 5-digit and 6-digit numbers.

Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards.

Great activity for addition review.

Available for other grades with different skills/levels of difficulty. Please email me on jjresourcecreations@gmail.com for assistance.

*US spelling used. Please email me on jjresourcecreations@gmail.com if you would like adjusted to suit UK/AUS spelling.


Mrs J.

© 2015