1st Grade Number Sense Worksheets and Printables | Page 2

Worksheet instructions: Trace and write the number words (11-20).

Worksheet instructions: Trace and write the number words.

Worksheet instructions: Trace the number words and fill in the missing numbers in the empty boxes (11-20).

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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