First 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-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-Count-from-81-to-100-with-hints

Count from 81 to 100 with hints

Count from 81 to 100 with hints

Worksheet instructions: Fill in the missing numbers in the empty boxes below.

worksheet-Count-from-61-to-80-with-hints

Count from 61 to 80 with hints

Count from 61 to 80 with hints

Worksheet instructions: Fill in the missing numbers in the empty boxes below.

worksheet-Count-from-41-to-60-with-hints

Count from 41 to 60 with hints

Count from 41 to 60 with hints

Worksheet instructions: Fill in the missing numbers in the empty boxes below.

worksheet-Count-from-21-to-40-with-hints

Count from 21 to 40 with hints

Count from 21 to 40 with hints

Worksheet instructions: Fill in the missing numbers in the empty boxes below.

worksheet-Count-and-sort-(4-groups)---Flowers

Count and sort (4 groups) - Flowers

Count and sort (4 groups) - Flowers

Worksheet instructions: How many of each? Write the correct number for each item inside the box. You can cross out items as you count them.