Sums With Tens
In this addition worksheet, 1st graders find the sums in 9 problems in which they double a multiple of 10, such as 60 +60 =. They add 11 plus 11 in the last problem.
3 Views 3 Downloads
Common Core State Standards 1st Grade Math
Here are the complete set of the math practice standards and the Common Core standards for first grade. They cover operations & algebraic thinking, operations in base 10, measurement and data, and geometry. Illustrated nicely with...
1st Math CCSS: Designed