Place value assessments and other good resources for tens and ones expanded form base ten blocks etc. on this site
1st grade math worksheets place value tens ones 1
FREEBIE tens & ones place value worksheets
First Grade Shenanigans: Adding 10 and 1; Subtracting 10 and 1
Teacher Laura: Place Value Freebie
tens ones place value worksheet Could also use with Find Someone Who or RoundTable variation
Here's a page on 10s and 1s. Students practice counting and drawing base 10 blocks to help visualize place value.
Worksheets: Place value & addition: Tens and Ones
Use these worksheets to practice adding double digits with your child! There are various ways to solve these math problems; practice different ones to see which your child likes best.
Creating a Thoughtful Classroom: FREEBIE- Tens and Ones Song!