CCSS.MATH.CONTENT.1.NBT.B.2 : First Grade Math Worksheets

About 1.NBT.B.2

Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:

1.NBT.B.2.A
10 can be thought of as a bundle of ten ones — called a "ten."

1.NBT.B.2.B
The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.

1.NBT.B.2.C
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).

Here is a collection of our common core aligned worksheets for core standard 1.NBT.B.2.

A brief description of the worksheets is on each of the worksheet widgets. Click on the images to view, download, or print them. All worksheets are free for individual and non-commercial use.

Please visit 1.NBT.B to view our large collection of printable worksheets. View the full list of topics for this grade and subject categorized by common core standards or in a traditional way.

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1.NBT.B      1.NBT.B.2

Worksheet: First Grade

Place Value : Tens and Ones


Write the correct number of tens and ones for the number in each box.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Tens and Ones ( up to 100 )


Students will write the numbers up to 100 using the base ten blocks.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Tens and Ones


Write the numbers using base ten blocks.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Tens and Ones


Count the ones, regroup the ones into tens and ones. Write the addition sentence and solve the problem.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Regrouping Tens and Ones


Draw a line to match two different ways to write a given number.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Regrouping Tens and Ones


Write numbers between 0 - 9 to complete another way of writing each number.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Place Value - Tens and ones


Practice writing tens into ones and ones into tens. ( ex - 4 tens = 40 ones )

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Write it Two Ways


Write the tens and ones in two different ways.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Ways to Write Numbers


Practice writing the given numbers in different ways.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Sam Super Hero to the Rescue!


Students will match each number to the correct grouping of tens and ones.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Representing Numbers to 30


Count the base ten blocks to write the number in different ways.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Candy Bonanza


There are ten candies in each container. Count each group of ten to find the total number of candies.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Place Value : Tens and Ones


Write the correct number of tens and ones for each number in this worksheet.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Tens and Ones


Write numbers up to 50 using the base ten blocks.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Tens and Ones


Use place value base blocks to write the numbers up to 100.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Daisy Dino's Numbers


Write the correct number for each set of tens and ones.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Counting Tens and Ones ( up tp 20 )


Separate the counters into tens and ones, then add them up to get the answer.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Base Ten and Place Value ( up to 20 )


Draw each number using place value block, write the number in expanded form and, then show the number in the base ten frame by drawing the counters.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Base Ten and Place Value


Draw the number, write it in an expanded form, then show the number in the base ten frame by drawing the counters.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Vivian's Veggie Land!


Circle the groups of ten vegetables in each box, then write the correct number of tens and ones.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Terrific Tens


Circle each group of ten to find how many.

Core Standard: 1.NBT.B.2


Worksheet: First Grade

Tens and Ones


Children will count and write the groups of ten fruits and ones (the remaining fruits). Then write the total number.

Core Standard: 1.NBT.B.2



Again, we encourage you to see more printable worksheets in common core standard 1.NBT.B .