Using Tens and Ones Match Worksheet, students match two digit numerals to base ten block pictures to build their number sense.

In this 3.NBT.1 Common Core Activity, studentsuse place value understanding to round whole numbers to the nearest 10 or 100.

Using St. Patrick's Day Place Values Activity, students Match each place value card to the correct number on the pot of gold to build their number sense skills.

In this Scooping Up Hundreds Rounding Activity, students use place value understanding to round whole numbers to the nearest 100.

In this Blast Off With Numbers Base Ten Words Expanded Form Activity, students will read and write numbers to 1000 using base-ten numerals, number names, and expanded form.

In this 1.NBT.2 First Grade Common Core Lesson, students will practice finding groups of 10 to build their understanding of place value.

In this 1.NBT.6 First Grade Common Core Lesson, students will practice subtracting 10 from a given number using a number line.

In this 5.NBT.3 Fifth Grade Common Core Lesson, studentsread, write, and compare decimals to the thousandths place in expanded form, number form, and base ten numerals.