3rd Grade Number Sense Worksheets and Activities | Page 2

Worksheet instructions: Count by 2s from 1 to 99, and fill in the missing numbers below.

Worksheet instructions: Count by 100s from 100 to 5,000, and fill in the missing numbers below.

Worksheet instructions: Count by 50s from 50 to 2,500, and fill in the missing numbers below.

Worksheet instructions: Count by 25s from 25 to 1,250, and fill in the missing numbers below.

Worksheet instructions: Count by 10s from 4 to 994, and fill in the missing numbers.

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.