Third Grade Number Sense Worksheets and Activities

worksheet-Adding-4-numbers-with-missing-addend---Basketball

Adding 4 numbers with missing addend - Basketball

Adding 4 numbers with missing addend - Basketball

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.

worksheet-Adding-4-numbers-with-missing-addend---Baseball

Adding 4 numbers with missing addend - Baseball

Adding 4 numbers with missing addend - Baseball

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.

worksheet-Adding-4-numbers-with-missing-addend---Elephant

Adding 4 numbers with missing addend - Elephant

Adding 4 numbers with missing addend - Elephant

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.

worksheet-Adding-3-numbers-with-missing-addend---Jungle

Adding 3 numbers with missing addend - Jungle

Adding 3 numbers with missing addend - Jungle

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.

worksheet-Adding-3-numbers-with-missing-addend---Space

Adding 3 numbers with missing addend - Space

Adding 3 numbers with missing addend - Space

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.

worksheet-Adding-3-numbers-with-missing-addend---Desert

Adding 3 numbers with missing addend - Desert

Adding 3 numbers with missing addend - Desert

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.

worksheet-Adding-3-numbers-with-missing-addend---Ocean

Adding 3 numbers with missing addend - Ocean

Adding 3 numbers with missing addend - Ocean

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-Adding-3-numbers-with-missing-addend---Picnic

Adding 3 numbers with missing addend - Picnic

Adding 3 numbers with missing addend - Picnic

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-Expanded-form-(3-and-4-digit-numbers)---Build

Expanded form (3 and 4 digit numbers) - Build

TopicPlace value

Expanded form (3 and 4 digit numbers) - Build

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

worksheet-Expanded-form-(3-and-4-digit-numbers)---Net

Expanded form (3 and 4 digit numbers) - Net

TopicPlace value

Expanded form (3 and 4 digit numbers) - Net

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

worksheet-Building-a-3-digit-number---Truck

Building a 3-digit number - Truck

TopicPlace value

Building a 3-digit number - Truck

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

worksheet-Adding-whole-tens-(missing-number)---Monkey

Adding whole tens (missing number) - Monkey

Adding whole tens (missing number) - Monkey

Worksheet instructions: Find the missing number in each problem.

worksheet-Adding-whole-tens-(2-digits)---Boat

Adding whole tens (2 digits) - Boat

Adding whole tens (2 digits) - Boat

Worksheet instructions: Find the sum for each problem.

worksheet-Adding-whole-tens-(2-digits)---Plane

Adding whole tens (2 digits) - Plane

Adding whole tens (2 digits) - Plane

Worksheet instructions: Find the sum for each problem.

worksheet-5-digit-number-and-Place-values---Mask

5-digit number and Place values - Mask

TopicPlace value

5-digit number and Place values - Mask

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-Build-a-5-digit-number---Watermelon

Build a 5-digit number - Watermelon

TopicPlace value

Build a 5-digit number - Watermelon

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

worksheet-Build-a-5-digit-number-from-the-parts---Glossy

Build a 5-digit number from the parts - Glossy

TopicPlace value

Build a 5-digit number from the parts - Glossy

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

worksheet-Find-the-missing-place-value-(4-digits)---Rabbit

Find the missing place value (4-digits) - Rabbit

TopicPlace value

Find the missing place value (4-digits) - Rabbit

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

worksheet-Build-a-4-digit-number-from-the-parts---Measure

Build a 4-digit number from the parts - Measure

TopicPlace value

Build a 4-digit number from the parts - Measure

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

worksheet-Find-the-missing-place-value-(3-digits)---Teacher

Find the missing place value (3-digits) - Teacher

TopicPlace value

Find the missing place value (3-digits) - Teacher

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

worksheet-Build-a-3-digit-number-from-the-parts---Calculator

Build a 3-digit number from the parts - Calculator

TopicPlace value

Build a 3-digit number from the parts - Calculator

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

worksheet-Add-2-digit-numbers-(sum-under-100)---Bunny

Add 2-digit numbers (sum under 100) - Bunny

Add 2-digit numbers (sum under 100) - Bunny

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).

worksheet-Add-2-digit-numbers-(sum-under-100)---Grapes

Add 2-digit numbers (sum under 100) - Grapes

Add 2-digit numbers (sum under 100) - Grapes

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).

worksheet-Add-or-subtract-within-100-(whole-tens)---Snail

Add or subtract within 100 (whole tens) - Snail

TopicSubtraction

Add or subtract within 100 (whole tens) - Snail

Worksheet instructions: Add or subtract to find the missing number for each problem.

worksheet-Round-to-the-nearest-ten-or-hundred---Panda

Round to the nearest ten or hundred - Panda

Round to the nearest ten or hundred - Panda

Worksheet instructions: Round each of the following 3-digit numbers to the nearest 10 or 100, depending on the underlined digit.