3rd Grade Number Sense Worksheets and Activities

Worksheet instructions: Build the correct 5-digit number. For example: 70,000 + 4,000 + 600 + 20 + 1 = 74,621

In this decimals worksheet, students line up 5 numbers (from 0 to 100) with 1 or 2 decimal places in order. Worksheet instructions: Write the numbers from smallest to largest.

In this worksheet, students line up 5 numbers (from 0 to 100) with 1 or 2 decimal places in order. Worksheet instructions: Write the numbers from smallest to largest.

In this worksheet, students compare 1 and 2-digit decimal numbers using the symbols for greater than, less than, or equal to. All numbers are positive (between 0 and 100). Worksheet instructions: Compare the numbers using greater than (>), less than (<), or equal to (=).

In this decimal worksheet, students compare 1 and 2-digit decimal numbers using the symbols for greater than, less than, or equal to. All numbers are positive (between 0 and 100). Worksheet instructions: Compare the numbers using greater than (>), less than (<), or equal to (=).

In this worksheet, students practice writing numbers up to 100,000 in expanded notation. Worksheet instructions: Write the numbers in expanded notation. For example: 6,458 = 6 x 1,000 + 4 x 100 + 5 x 10 + 8 x 1

This worksheet helps students practice writing numbers up to 100,000 in expanded notation. Worksheet instructions: Write the numbers in expanded notation. For example: 6,458 = 6 x 1,000 + 4 x 100 + 5 x 10 + 8 x 1

In this place value worksheet students practice writing numbers up to 100,000 in expanded form. Worksheet instructions: Write the numbers in expanded form. For example: 51,327 = 50,000 + 2,000 + 300 + 20 + 7

This place value worksheet helps students practice writing numbers up to 100,000 in expanded form. Worksheet instructions: Write the numbers in expanded form. For example: 51,327 = 50,000 + 2,000 + 300 + 20 + 7

In this place value worksheet, students need to find the missing addends in 6-digit numbers written in expanded form. Worksheet instructions: Find the missing addends in each equation.

In this worksheet, students need to find the missing addend in 6-digit numbers written in expanded form. Worksheet instructions: Find the missing addend in each equation.

In this worksheet, students need to find the missing addends in 5-digit numbers written in expanded form. Worksheet instructions: Find the missing addends in each equation.

In this worksheet, students need to find the missing addend in 5-digit numbers written in expanded form. Worksheet instructions: Find the missing addend in each equation.

In this worksheet, students need to find the missing addends in 4-digit numbers written in expanded form. Worksheet instructions: Find the missing addends in each equation.

In this place value worksheet, students need to find the missing addends in 4-digit numbers written in expanded form. Worksheet instructions: Find the missing addends in each equation.

In this worksheet, students need to find the missing addends in 4-digit numbers written in expanded form. Worksheet instructions: Find the missing addend in each equation.

In this place value worksheet, students need to find the missing addends in 4-digit numbers written in expanded form. Worksheet instructions: Find the missing addend in each equation.

In this place value worksheet, students are asked to write 6-digit numbers as the sum of a specific number of ones, tens, hundreds, thousands, ten-thousands, and hundred-thousands. Worksheet instructions: Build each 6-digit number by adding its parts.

Students are asked to write 6-digit numbers as the sum of a specific number of ones, tens, hundreds, thousands, ten-thousands, and hundred-thousands. Worksheet instructions: Build each 6-digit number by adding its parts.

In this worksheet, students need to write 5-digit numbers as a sum of a certain number of ones, tens, hundreds, thousands and ten-thousands. Worksheet instructions: Build each 5-digit number by adding its parts.

In this place value worksheet, students need to write 5-digit numbers as a sum of a certain number of ones, tens, hundreds, thousands and ten-thousands. Worksheet instructions: Build each 5-digit number by adding its parts.

In this worksheet, students are requested to write 4-digit numbers as a sum of a certain number of ones, tens, hundreds and thousands. Worksheet instructions: Build each 4-digit number by adding its parts.

Worksheet instructions: Build each 4-digit number by adding its parts.

In this worksheet, the student needs to find the missing number in each problem. Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. Worksheet instructions: Find the missing number in each problem.

In this worksheet, students need to find the missing number in each 4-digit addition problem. Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. Worksheet instructions: Find the missing number in each problem.