Our first grade base ten blocks and ten frames worksheets help students understand our base 10 number system by composing and de-composing numbers into their base 10 components. The base 10 blocks worksheets only use "tens" and "ones" (no hundreds or thousands).
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| Regrouping into blocks of 10 |  |
| Counting using base 10 blocks |  |
| Breaking a number into tens and ones |  |
| Addition with base 10 blocks |  |
Sample Grade 1 Base 10 Blocks Worksheet
Explore all of our place value worksheets, from base ten blocks to 6 digit numbers in expanded form, and our rounding worksheets, ranging from rounding to the nearest 10 to rounding in the millions.
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