# Adding Tens and Ones Worksheets | 15 Free Pages

Our printable worksheets are designed for first-graders to learn how to form two-digit numbers by adding tens and ones. Practicing these worksheets will help your kids improve their operation skills. Moreover, it is effective for little learners to understand the base 10 number system.

## Adding Tens and Ones Horizontally

This set of worksheets contains number sentences on adding tens and ones. Students will add these numbers horizontally and write the results in the given spaces.

## Adding Tens and Ones Vertically

In this activity, students have to solve eight vertical addition problems on each worksheet. They have to add a two-digit number to a one-digit number for each problem and write the result in the space below.

## Adding Tens and Ones with Box Model

Three boxes are given for each problem in the following worksheets. The first box contains ones, the second box contains tens, and the third is blank. Students need to add the ones and tens to write the result in the blank box.

## Adding Tens and Ones with Number Bonds

These worksheets contain number bonds. Students have to add the tens and ones to write the result in the blank space of the number bonds.

## Counting and Adding Tens and Ones with Blocks

This set of worksheets contains blocks in two columns; the first column represents tens, while the second column represents ones. Students have to count the boxes in each column and add them to write their answers in the third column.