CCSS.MATH.CONTENT.1.NBT.C.4 : First Grade Math Worksheets

About 1.NBT.C.4

Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

Here is a collection of our common core aligned worksheets for core standard 1.NBT.C.4.

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.C 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.C      1.NBT.C.4

Worksheet: First Grade

One More or Less


Write one more or one less than each number.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

One More or One Less


Brush up your basic addition skills.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

One More or One Less 2


Write a number one more and one less than a given number.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Ten More or Less


Write ten more or ten less than each given number.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Hundred Chart


Use a hundred chart to answer each question.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Patterns on a Hundred Chart


Use patterns on a hundred chart to skip count by twos.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Addition (no regrouping)


Fall is here! Practice addition ( 2-digits to 1-digit) and revise your even and odd number sense.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Addition without Regrouping


Practice horizontal addition in this Valentine's special worksheet.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Tic Tac Toe


Win the game of tic tac toe and sharpen your basic single digit addition skills.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Adding Tens


Practice addition with multiples of ten.

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Riddle Time!


What is Zucchini's favorite game? Add the numbers on this worksheet to solve the riddle!

Core Standard: 1.NBT.C.4


Worksheet: First Grade

Stuffy Stockings


Sharpen you mental math : Practice adding multiples of ten.

Core Standard: 1.NBT.C.4



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