Build a Three Digit Number Worksheet
This build a three digit number worksheet lets 2nd graders turn hundreds, tens, and ones into numbers using number sentences and base-ten blocks. An answer key is included for fast, easy checking.
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About this resource
Description
Our build a three digit number worksheet helps 2nd grade students see that every three-digit number is made from hundreds, tens, and ones. When children can put those three places together, they understand what a number like 704 really means, and they are ready for adding, subtracting, and comparing larger numbers.
This printable asks students to build numbers in two ways. In Part A, children read a number sentence such as 5 hundreds + 2 tens + 8 ones and write the number it makes in the box. The last three rows print the places in a new order, so students must read each place word carefully instead of copying digits left to right. In Part B, students count base-ten blocks, using flats for hundreds, rods for tens, and small cubes for ones, and then write the number the blocks show. Zeros appear in both the tens and the ones place so children practice holding an empty place.
What’s Included
- One page with seven number-building sentences and three base-ten block pictures
- Place words in mixed order to build careful reading
- Examples with zero in the tens place and zero in the ones place
- A full answer key on the second page
Why This Hundreds Tens and Ones Worksheet Helps Kids
First, this hundreds tens and ones worksheet connects number words, place values, and pictures, which gives children three ways to see the same number. Second, the mixed-order rows teach students that the value of a digit comes from its place, not from where it appears in a sentence. Third, counting flats, rods, and cubes builds the strong number sense children need for regrouping in addition and subtraction.
Ideas for Teachers and Parents
Before starting, let children build a few numbers with real base-ten blocks or with drawings on a whiteboard. After the worksheet, ask students to write their own number sentence in a new order and trade with a partner to solve. You can also use the build a three digit number worksheet as a quick math center, a homework page, or a review before a place value test.
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