Common Core Aligned Resources for 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.
Showing 1 - 30 of 78 resources
Subtraction - Numbers to 19 ( 3 of 3)
1st - 2nd CCSS: Designed
In this subtraction learning exercise, students find the differences in 30 vertical problems which use numbers up to nineteen. They do not regroup as they solve the problems in which they subtract a single digit number from a two digit...
Beatrice’s Goat: A Lesson on Savings Goals
3rd - 5th CCSS: Designed
Youngsters learn the meaning of saving and how to reach savings goals by first reading a story of a young Ugandan girl who is gifted a goat, and then discovering the opportunity costs of savings decisions made by her and her family.
Grade 2 Supplement Set A1 – Numbers and Operations: Addition and Subtraction
2nd CCSS: Adaptable
Using unifix cubes, a spinner, a number line, and fact family triangles second graders will play their way to subtraction competency. They engage in a series of activities that has them playing game that require them to add and subtract...