Represent addition and subtraction with objects, fingers, mental images, drawings (drawings need not show details, but should show the mathematics in the problem), sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
Standard Type
Michigan State Math StandardsRelated Lessons

Write Equations for Numbers 11-19
Join Mrs. Gray for a Numeracy Talk with Dotson seeing the double ten frame but building what we saw using a Rekenrek. We work with numbers 11-19 and write equations.

Counting Groups 11-20
Join Mrs. Gray for a Mystery Math Mistake with D.C. He needs help figuring out his number bonds to match ten frames. We are going to have fun figuring out how many objects are in our collections.

Label Story Problems
Join Mrs. Gray for a subtraction word problem with Professor Barble! We are going to have some fun doing word problems with 2 parts. We will learn together why labeling word problems help us to understand what the problem is asking.

Break Apart Numbers
Join Mrs. Gray for a subtraction word problem with Professor Barble! Next, get ready for some fun with using D.C. to find ALL the ways to break apart numbers.

Unknown Addend Word Problems
Join Mrs. Gray for a subtraction word problem with Porfessor Barble! We are going to take word problems to a new level with putting together and taking apart with both addends unknown. I wonder if you will be able to come up with ALL of the ways to solve!