3rd Grade Number Sense Worksheets and Activities | Page 3

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.

In this worksheet, students need to find the missing number in each four-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.

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

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

In this worksheet, the student needs to find the missing number in each equation. 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.

Students need to find the missing number in each equation. 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 equation. 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.

Worksheet instructions: Write the numbers in expanded form. For example: 4,151 = 4,000 + 100 + 50 + 1

Worksheet instructions: Write the numbers in expanded form. For example: 2,348 = 2,000 + 300 + 40 + 8

Worksheet instructions: Build the 3-digit numbers by adding its parts (multiples of ones, ten and one hundred).

Worksheet instructions: Find the missing number in each problem.

Worksheet instructions: Find the sum for each problem.

Worksheet instructions: Find the sum for each problem.

Worksheet instructions: Find the correct place value for each number by cutting the place value cards and pasting each one on top of the correct dotted arrow.

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

Worksheet instructions: Write the correct 5-digit number. For example: 21,721 = 20,000 + 1,000 + 700 + 20 + 1

Worksheet instructions: Fill in the missing number in each equation below.

Worksheet instructions: Write the correct 4-digit number. For example: 1,721 = 1,000 + 700 + 20 + 1

Worksheet instructions: Fill in the missing number in each equation below.

Worksheet instructions: Write the correct 3-digit number. For example: 721 = 700 + 20 + 1

Worksheet instructions: Find the missing numbers in each circle by adding the given numbers. If you find it easy, try to figure out the answers mentally (without writing down the intermediary steps).