This math project reminds students that they can add using a variety of strategies. Four ways to add are shown in this project; students must draw a picture; create a part-part-whole chart; hop on a number line; and use the commutative property. It is great to assign this as a take-home project in 1st and 2nd grade classrooms because then parents also get to see the new strategies students are using in the classroom. The following common core math standards are addressed:
K.OA.1 Represent addition and subtraction with objects, fingers, mental images, drawings1, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
K.OA.5 Fluently add and subtract within 5.
1.OA.3 Apply properties of operations as strategies to add and subtract.2 Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
1.OA.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.
2.OA.2 Fluently add and subtract within 20 using mental strategies.2 By end of
Grade 2, know from memory all sums of two one-digit numbers.
2.NBT.9 Explain why addition and subtraction strategies work, using place value and the properties of operations.
Please also view my newest take-home project, "5 Ways to Subtract." Thank you!