About these worksheets
These worksheets provide practice inserting commas into large numbers to make them easier to read. Students learn to group digits in sets of three from right to left, building the number formatting skills needed for working with large values.

- Practice adding commas to large numbers so they are easier to read.
- Learn to group digits in sets of three from the right to find where commas go.
- Tell the difference between thousands, millions, and billions by looking at comma groups.
- Rewrite numbers in a standard, readable format without changing their value.
About these worksheets
These worksheets cover place value concepts from kindergarten through fifth grade. Activities include visual place value with base-ten blocks for numbers under 20, using place value to multiply and divide by powers of ten, examining digit values and how they change with position, identifying value and place value of digits in large numbers, marking values on number lines, organizing numbers by place value, converting between standard and expanded forms, and working with place values greater than ten. Resources align with Common Core standards across multiple grade levels.
knbt1

- Look at a picture of blocks and tell what number it shows.
- Tell how many tens and how many ones are in a number under 20.
- Match teen numbers to the idea of one ten plus some ones.
- Write the number that goes with a visual model of tens and ones.
4nbt1

- Multiply a whole number by 10, 100, or 1,000 by shifting digits to the left.
- Divide a whole number by 10, 100, or 1,000 by shifting digits to the right.
5nbt1

- Practice comparing the value of the same digit in two different place-value positions within a number
- Figure out how many times greater or smaller a digit's value is when it moves to a different place
- Express the relationship between two place values as a multiplication (like 10×) or a fraction (like 1/100)
- Work with place values that span both whole numbers and decimals
4nbt1

- Identify the value of a digit based on its place in a whole number.
- Explain how multiplying or dividing by 10 changes a number’s digits and their values.

- Practice identifying which place value a specific digit is in (ones, tens, hundreds, thousands, etc.)
- Find which digit sits in a given place value within a number
- Work with numbers of different sizes, from two digits up to eight digits

- Identify the value of a digit based on its place in a number.
- Use place value to decide which digit is in the ones, tens, hundreds, thousands, or millions place.

- Find what a specific digit is worth based on where it sits in a number.
- Name the place of a digit (ones, tens, hundreds, thousands, and beyond).
- Use place value to tell which digits make the biggest and smallest parts of a number.

- Practice finding which digit is in a specific place value (ones, tens, hundreds, thousands, or ten thousands)
- Read numbers of different sizes — from two digits up to eight digits — and pick out the right digit
- Understand that a digit's position in a number tells you its place value

- Use place value to put three numbers in order from least to greatest or greatest to least.
- Compare three numbers by looking at the highest place first and deciding which is bigger.

- Practice breaking a number into its place value parts and writing it in expanded form.
- Practice turning expanded form back into a standard number.
- Practice renaming a number by trading between place values (like 1 ten = 10 ones) without changing the total.
- Practice using place value to make both sides of an equation equal.

- Find what a digit is really worth based on where it sits in a number.
- Match a digit to its place name (ones, tens, hundreds, thousands, millions).
- Read a multi-digit number and pick out the value of a specific digit.
- Tell the difference between a digit’s face value and its place value.

- Find the value of a digit by looking at its place in the number.
- Tell the difference between a digit and the value it represents in a number.
- Write the value of a digit in standard form (like 300 or 40) based on its position.
4nbt1

- ractice finding the total value of a number when some place-value columns hold a number bigger than 9
- Regroup values that spill over into the next place (like 46 tens becoming 4 hundreds and 6 tens)
- Work with numbers of different sizes, from hundreds up to ten thousands
NumberLines & Value Mats
Link
About these worksheets
Students work with number lines and place value mats to build number sense. Worksheets include filling in missing values on number lines, reading place value mats, interpreting non-traditional number lines that don't start at zero, and marking values on open number lines within 20 and within 100. Aligned with second grade and general number sense standards.
2md6

- Read a number line and figure out what each tick mark is worth.

- Read a place value mat and say what number it shows.
- Match each digit to its correct place (ones, tens, hundreds, thousands).
- Tell the value of a digit based on where it is on the mat (like 7 tens means 70).
- Write the number from the mat in standard form using the correct digit order.

- Figure out what number each tick mark stands for when the number line doesn’t start at 0.
- Use the spacing between tick marks to find the interval and count by that amount.
- Use jumps on the number line to count forward or backward to a target number.

- Practice finding where a number belongs on an open number line from 0 to 20.
- Use the tick marks to count forward and figure out the value of a point.
- Read a number line and write the number that matches a marked location.

- Find where a given number belongs on a number line from 0 to 100.
- Use the tick marks and the scale to count by 1s or 10s to locate a number.
- Figure out which two labeled numbers a value falls between on an open number line.
- Place a point at the correct spot even when only some numbers on the line are shown.
About these worksheets
These worksheets introduce equation concepts and algebraic thinking. Activities include filling in missing numbers to make true expressions, understanding the meaning of the equals sign, writing algebraic expressions with variables, rewriting word sentences as numeric equations, and identifying true and false equations within 20. Resources span first through sixth grade standards.
1nbt3

- Fill in a missing number to make an equation true.
1oa7

- Understand that the equals sign means both sides have the same value.
- Decide whether an equation is true or false by comparing the left side and the right side.
- Solve simple addition or subtraction expressions to check if two sides match.
6ee2a

- Match a short phrase to the correct algebraic expression using a variable.
- Translate words like plus, minus, times, and divided by into the right math symbols.
5oa2

- Rewrite a worded number sentence using numerals and math symbols.

- Decide whether an addition or subtraction equation is true or false.
- Solve simple addition and subtraction facts within 20 to check an equation.
- Understand that the equals sign means both sides of an equation have the same value.
About these worksheets
Students use base-ten blocks to build understanding of place value. Worksheets progress from identifying values with tens and ones blocks, to working with hundreds blocks, creating and identifying groups of 100, and determining values shown by blocks up to 1,000 and beyond. These concrete visual models make abstract place value concepts tangible for first and second graders.
1nbt2c

- Read base-ten blocks and tell what number they show using tens and ones.
- Count tens and ones separately and combine them to make the total value.
- Match a block model to the correct written number (like 34) and say how many tens and ones it has.
- Explain the value of a number by describing it as tens and ones (like 34 is 3 tens and 4 ones).
2nbt1a

- Read base-ten block pictures and tell how many hundreds, tens, and ones they show.
- Break a number into hundreds, tens, and ones to explain what each digit means.
- Count groups of 100s, 10s, and 1s without counting every single block one by one.
2nbt1a

- Count by tens to find how many items are in a set of ten-bundles.
- Use groups of ten to make and recognize 100 as 10 tens.
2nbt1b

- Recognize when a picture or set of objects shows groups of 100.
- Count how many hundreds are shown by counting the groups.
- Tell the value of the groups using hundreds (like 3 groups of 100 is 300).
- Connect groups of 100 to the hundreds place in a number.

- Read base-ten blocks and figure out the number they show.
- Connect each block to its place value (ones, tens, hundreds, thousands).
- Write the value of a model as a standard number using digits.

- Read base-ten blocks and tell what number they show (up to 1,000).
- Write the number shown by blocks using digits in the correct places.
- Add the values of the blocks together to find the total.

- Read base-ten blocks and tell what number they show.
- Name the value of a digit by looking at its place (ones, tens, hundreds, thousands).
- Match a block model to the correct written number.
- Explain how many ones, tens, hundreds, and thousands are in a number.
About these worksheets
These worksheets develop number comparison and identification skills across grade levels. Activities include finding more and less, comparing two- and three-digit numbers and numbers within one million using inequality symbols, identifying even and odd numbers visually, creating even equations, building numbers from place value descriptions, using place value for multiplication and division, identifying integers, comparing relative size with addition and subtraction, and evaluating number sentences. Resources span first through fourth grade and beyond.
1md4

- Look at a few objects and decide which group has more or less.
1nbt3

- Compare two two-digit numbers and decide which one is greater, less, or equal.
- Use the symbols >, <, and = to show how two numbers relate.
- Look at the tens digit first (and then the ones digit if needed) to compare numbers quickly.
2oa3

- Count a group of shapes and decide if the total is even or odd.
- Use pairing to see if every shape can be matched with a partner with none left over.
- Explain even and odd using simple words like "pairs" and "one left."
- Recognize that even numbers can be split into two equal groups and odd numbers cannot.
2oa3

- Practice making addition equations that add up to an even number.
2nbt4

- Compare two three-digit numbers and decide which one is greater, less, or equal.
- Use the hundreds, tens, and ones digits to explain why one number is bigger than another.
- Read and use the symbols >, <, and = correctly when comparing numbers.
2nbt1a

- Use hundreds, tens, and ones to build a 3-digit number.
- Read a place-value description and write the number in standard form.
4nbt2

- Compare two large numbers and decide which one is greater, less, or equal.
- Use place value (hundred-thousands, ten-thousands, thousands, etc.) to explain why one number is bigger than another.
- Use the symbols >, <, and = correctly when comparing numbers.
4nbt1

- Multiply a whole number by 10, 100, or 1,000 by shifting digits to the left.
- Divide a whole number by 10, 100, or 1,000 by shifting digits to the right.

- Decide whether a number is an integer or not.
- Recognize that integers include negative numbers, zero, and positive whole numbers.
- Tell the difference between integers and numbers with decimals or fractions.

- Practice finding the difference between two numbers by figuring out how much to add or subtract
- Read carefully to understand whether the problem is asking to add to the smaller number or subtract from the larger number
- Determine which of two numbers is larger and which is smaller before solving

- Practice deciding if a greater than (>) or less than (<) statement with two-digit numbers is true or false
- Compare two-digit numbers by looking at the tens digit first, then the ones digit
- Choose all the correct answers when more than one comparison statement is true

- Read and interpret two-digit numbers so you can place them in the correct comparison group.