Curated OER
Tens and Ones Fun
Youngsters use their large motor skills to build numbers to 20 in this outdoor, kinesthetic, collaborative activity. Amass cardboard boxes for groups to stack, sort, and bundle into 10s and 1s to show numbers and place value. They'll...
Curated OER
Addition and Subtraction Facts to 20 - Manipulative
Here is a good lesson that will allow your student to practice their addition and subtraction facts to 20. They practice facts using fact cards and practice strategies such as doubles strategies, and count to 10 strategies.
Student Achievement Partners
Illustrative Mathematics: Three Composing/decomposing Problems [Pdf]
In this grade 2 lesson plan, students use base ten blocks to compose and decompose numbers.
Alabama Learning Exchange
Alex: Fishy Addition!
In this instructional activity, students will use manipulatives to act out and solve simple addition problems.