Second Grade Number Sense Worksheets and Activities

worksheet-Rounding-to-the-nearest-10---Wizard

Rounding to the nearest 10 - Wizard

Rounding to the nearest 10 - Wizard

In this worksheet, students round two-digit numbers to the nearest ten. Numbers ending in 5 should be rounded up. Worksheet instructions: Round each number to the nearest ten.

worksheet-Rounding-to-the-nearest-10---Mugs

Rounding to the nearest 10 - Mugs

Rounding to the nearest 10 - Mugs

In this place value worksheet, students round two-digit numbers to the nearest ten. Numbers ending in 5 should be rounded up. Worksheet instructions: Round each number to the nearest ten.

worksheet-Rounding-to-the-nearest-10---Dizzy

Rounding to the nearest 10 - Dizzy

Rounding to the nearest 10 - Dizzy

In this place value worksheet, students round two-digit numbers to the nearest ten. Remember, numbers ending in 5 should be rounded up. Worksheet instructions: Round each number to the nearest ten.

worksheet-Rounding-to-the-nearest-10---Merry-go-round

Rounding to the nearest 10 - Merry-go-round

Rounding to the nearest 10 - Merry-go-round

In this worksheet, students round two-digit numbers to the nearest ten. Remember, numbers ending in 5 should be rounded up. Worksheet instructions: Round each number to the nearest ten.

worksheet-Rounding-to-the-nearest-10---Aviator

Rounding to the nearest 10 - Aviator

Rounding to the nearest 10 - Aviator

In this worksheet, students need to round two-digit numbers to the nearest ten. Remember, numbers ending in 5 should be rounded up. Worksheet instructions: Round each number to the nearest ten.

worksheet-Rounding-to-the-nearest-10---Alien

Rounding to the nearest 10 - Alien

Rounding to the nearest 10 - Alien

In this place value worksheet, students need to round two-digit numbers to the nearest ten. Remember, numbers ending in 5 should be rounded up. Worksheet instructions: Round each number to the nearest ten.

worksheet-Making-10-with-ten-frames-(2-addends-missing)---Seal

Making 10 with ten frames (2 addends missing) - Seal

TopicBase ten blocks

Making 10 with ten frames (2 addends missing) - Seal

This ten frames worksheet helps students learn how numbers add up to 10. In the following exercises, students need to find both missing addends. Worksheet instructions: Count the green and white counters in each frame. Then, fill in the blanks.

worksheet-Making-10-with-ten-frames-(2-addends-missing)---Flamingo

Making 10 with ten frames (2 addends missing) - Flamingo

TopicBase ten blocks

Making 10 with ten frames (2 addends missing) - Flamingo

This ten frames worksheet helps students learn how numbers add up to 10. In the following exercises, students need to find both missing addends. Worksheet instructions: Count the pink and white counters in each frame. Then, fill in the blanks.

worksheet-Making-10-with-ten-frames-(2-addends-missing)---Fog

Making 10 with ten frames (2 addends missing) - Fog

TopicBase ten blocks

Making 10 with ten frames (2 addends missing) - Fog

This base 10 blocks worksheet helps students learn how numbers add up to 10. In the following exercises, students need to find both missing addends. Worksheet instructions: Count the orange and white counters in each frame. Then, fill in the blanks.

worksheet-Making-10-with-ten-frames-(1-addend-missing)---Hedgehog

Making 10 with ten frames (1 addend missing) - Hedgehog

TopicBase ten blocks

Making 10 with ten frames (1 addend missing) - Hedgehog

This 10 frames worksheet helps students learn how numbers add up to 10. Worksheet instructions: Count the green and white counters in each frame. Then, fill in the blanks.

worksheet-Making-10-with-ten-frames-(1-addend-missing)---Snake

Making 10 with ten frames (1 addend missing) - Snake

TopicBase ten blocks

Making 10 with ten frames (1 addend missing) - Snake

This 10 frames worksheet helps students learn how numbers add up to 10. Worksheet instructions: Count the pink and white counters in each frame. Then, fill in the blanks.

worksheet-Making-10-with-ten-frames-(1-addend-missing)---Celebration

Making 10 with ten frames (1 addend missing) - Celebration

TopicBase ten blocks

Making 10 with ten frames (1 addend missing) - Celebration

This 10 frames worksheet helps students learn how numbers add up to 10. Worksheet instructions: Count the orange and white counters in each frame. Then, fill in the blanks.

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-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.