Addition Math Mystery Activity - "Case of The Angry Adder!" Students must use their addition math skills to solve the case of the Angry Adder!
There are 5 clues to crack to solve the mystery:
Clue 1: Horizontal Addition (Within 20)
Clue 2: Adding Doubles (Few challenger questions at the end)
Clue 3: Addition Input/Output Tables (apply the rule given)
Clue 4: Addition Algorithms (Within 100 - No Regrouping)
Clue 5: Addition Algorithms (Within 100 - With Regrouping)
Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards.
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.
© 2016
2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
There are 5 clues to crack to solve the mystery:
Clue 1: Horizontal Addition (Within 20)
Clue 2: Adding Doubles (Few challenger questions at the end)
Clue 3: Addition Input/Output Tables (apply the rule given)
Clue 4: Addition Algorithms (Within 100 - No Regrouping)
Clue 5: Addition Algorithms (Within 100 - With Regrouping)
Pack also includes a mystery declaration sheet, answer sheets, elimination guide and awards.
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.
© 2016
2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
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