1.NBT.C.4 Worksheets
CCSS.MATH.CONTENT.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."
These worksheets can help students practice this Common Core State Standards skill.
Worksheets
100th Day of School
Worksheet
100th Day of School
Use this colorful, open-ended worksheet to help your learners understand the value of 100.
1st Grade
Math
Worksheet
Cookie Race Board
Worksheet
Cookie Race Board
Enjoy a dessert-themed race to 100 with this delicious math game in which learners imagine units, rods, and flats as sprinkles, chocolate bars, and cookies.
1st Grade
Math
Worksheet
Who Got the Cookie?
Worksheet
Who Got the Cookie?
In this dessert-themed math worksheet, learners look at existing game boards and practice addition as they try to determine who won the Cookie Race Game.
Math
Worksheet
Five Candy Bars Race Board
Worksheet
Five Candy Bars Race Board
Bring something sweet to your next math lesson with this Five Candy Bars Race Board in which learners imagine units and rods are sprinkles and candy bars.
1st Grade
Math
Worksheet
Adding On a Hundred Chart
Worksheet
Adding On a Hundred Chart
This hundred chart is the perfect way for kids to show what they've learned as far as adding on a hundred chart.
1st Grade
Math
Worksheet
Adding 10s on the Hundreds Chart
Worksheet
Adding 10s on the Hundreds Chart
The hundreds chart is great for adding tens. Help Stephanie figure out how many beads she bought by moving down the chart.
Math
Worksheet
Adding with the Hundreds Chart
Worksheet
Adding with the Hundreds Chart
Put your hundreds chart skills to the test by counting up the charts on this first grade math worksheet.
Math
Worksheet
Adding Two-Digit Numbers on an Open Number Line #1
Worksheet
Adding Two-Digit Numbers on an Open Number Line #1
Practice adding two-digit numbers on open number lines with this inviting addition worksheet!
1st Grade
Math
Worksheet
Adding Two-Digit Numbers on an Open Number Line #2
Worksheet
Adding Two-Digit Numbers on an Open Number Line #2
Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!
1st Grade
Math
Worksheet
Adding Two-Digit Numbers on an Open Number Line #3
Worksheet
Adding Two-Digit Numbers on an Open Number Line #3
Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!
1st Grade
Math
Worksheet
Open Number Line Addition Within 100: Write the Equation #1
Interactive Worksheet
Open Number Line Addition Within 100: Write the Equation #1
Practice addition within 100 using open number lines with this first-grade math worksheet!
1st Grade
Math
Interactive Worksheet
Open Number Line Addition Within 100: Write the Equation #2
Interactive Worksheet
Open Number Line Addition Within 100: Write the Equation #2
Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!
1st Grade
Math
Interactive Worksheet
Open Number Line Addition Within 100: Write the Equation #3
Interactive Worksheet
Open Number Line Addition Within 100: Write the Equation #3
Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!
1st Grade
Math
Interactive Worksheet
Write the Equation: Adding Within 100 on an Open Number Line
Interactive Worksheet
Write the Equation: Adding Within 100 on an Open Number Line
Use open number lines to practice addition within 100 with this colorful math worksheet!
1st Grade
Math
Interactive Worksheet
Adding Tens on an Open Number Line #1
Worksheet
Adding Tens on an Open Number Line #1
Practice adding tens on an open number line with this first-grade math worksheet!
Math
Worksheet
Adding Tens on an Open Number Line #2
Worksheet
Adding Tens on an Open Number Line #2
Get more practice adding tens on an open number line with this first-grade math worksheet!
Math
Worksheet
Adding Tens on an Open Number Line #3
Worksheet
Adding Tens on an Open Number Line #3
Get even more practice adding tens on an open number line with this first-grade math worksheet!
Math
Worksheet
Adding Tens on an Open Number Line: Write the Equation #1
Interactive Worksheet
Adding Tens on an Open Number Line: Write the Equation #1
Students use open number lines to help them write addition equations in this first-grade practice worksheet!
Math
Interactive Worksheet
Adding Tens on an Open Number Line: Write the Equation #2
Interactive Worksheet
Adding Tens on an Open Number Line: Write the Equation #2
Get more practice adding multiples of 10 on an open number line with this colorful worksheet!
Math
Interactive Worksheet
Adding Tens on an Open Number Line: Write the Equation #3
Interactive Worksheet
Adding Tens on an Open Number Line: Write the Equation #3
Get more practice adding multiples of 10 on an open number line with this vibrant worksheet!
Math
Interactive Worksheet
Adding Multiples of 10 on a Hundred Chart
Interactive Worksheet
Adding Multiples of 10 on a Hundred Chart
Practice adding tens with a visual model in this helpful worksheet!
Math
Interactive Worksheet
Using a Hundred Chart: More or Less #1
Interactive Worksheet
Using a Hundred Chart: More or Less #1
Learn to navigate a hundred chart with this first-grade worksheet!
Math
Interactive Worksheet
Using a Hundred Chart: More or Less #2
Interactive Worksheet
Using a Hundred Chart: More or Less #2
Search for numbers in a hundred chart with this helpful first-grade worksheet!
Math
Interactive Worksheet
Using a Hundred Chart: More or Less #3
Interactive Worksheet
Using a Hundred Chart: More or Less #3
Practice addition and subtraction with this first-grade hundred chart worksheet!
Math
Interactive Worksheet
Addition Coloring Page
Worksheet
Addition Coloring Page
Math is made fun in this addition coloring page! Your first grader can review his math facts while he colors the hot air balloons.
1st Grade
Math
Worksheet
Add and Color: Balloons
Worksheet
Add and Color: Balloons
Make math practice a little less boring with an addition coloring page! Your first grader can do a few addition problems as he colors the balloons.
1st Grade
Math
Worksheet
Add and Color: Circus
Worksheet
Add and Color: Circus
This cute circus scene is in need of some color! But first, your child will have to answer a few addition problems.
1st Grade
Math
Worksheet
Add and Color: Ducks
Worksheet
Add and Color: Ducks
In this math worksheet, addition and coloring go hand in hand! Your child will get to work on a few simple equations as he colors the picture.
1st Grade
Math
Worksheet
Add and Color: Flowers
Worksheet
Add and Color: Flowers
This is a coloring page with a twist! Challenge your first grader to solve all the addition equations before he colors the picture.
1st Grade
Math
Worksheet
Add and Color: Whale
Worksheet
Add and Color: Whale
Give your child a coloring page with a twist; first she'll solve a few addition equations, and then she can color the drawing.
1st Grade
Math
Worksheet
