1.NBT.A Number and Operations in Base Ten worksheets With Answers for Grade 1

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Explore our comprehensive collection of "1.NBT.A Number and Operations in Base Ten worksheets" tailored for first-grade students. These engaging worksheets focus on essential skills such as understanding place value, comparing numbers, and basic addition within 100. Equipped with answer keys, these resources simplify assessment for teachers and boost learning for kids. Each worksheet is designed to enhance mathematical understanding while making learning fun and interactive. Perfect for classwork, homework, or independent practice, our worksheets foster confidence in young learners. Make your teaching effortless and your students' learning effective with our expertly crafted materials to support the Grade 1 math curriculum!


Check out this FREE Grade 1 1.NBT.A Trial Lesson!

Using a Number Line

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5 U.S. Regions Worksheet
5 U.S. Regions Worksheet

5 U.S. Regions Worksheet

Familiarize students with states & capitals in your country before starting. Look at the map and ask kids to name some states. Then have them draw a line to the region each state is located in. This'll help them recognize the different places and make the exercise easier.
5 U.S. Regions Worksheet
Worksheet
Counting With Drawings. Does It Make Sound? Worksheet
Counting With Drawings. Does It Make Sound? Worksheet

Counting With Drawings. Does It Make Sound? Worksheet

Introduce word problems with this simple worksheet. Ask your students to name the objects pictured, then read the word problem and ask them to circle the answer. With practice, it'll help them scale this challenging area of math.
Counting With Drawings. Does It Make Sound? Worksheet
Worksheet
Counting: Maraca Fun Worksheet
Counting: Maraca Fun Worksheet

Counting: Maraca Fun Worksheet

Let your child add some Maraca fun to their math lessons by using this printable worksheet! They must figure out the numbers that come before the ones shown. Answers are provided on the other side; all your child needs to do is check the boxes with the correct numbers. Help them improve their counting and have fun along the way!
Counting: Maraca Fun Worksheet
Worksheet
Holiday Counting Worksheet
Holiday Counting Worksheet

Holiday Counting Worksheet

Let's spread some holiday cheer! Santa needs help counting stockings hung up for gifts - can your little one lend a hand? Find the missing numbers on the worksheet and have them check the boxes for the correct answers. Time to get counting!
Holiday Counting Worksheet
Worksheet
Tricky Numbers Worksheet
Tricky Numbers Worksheet

Tricky Numbers Worksheet

As parents and teachers, we must ensure our children are well-rounded. This worksheet is a fun way for them to exercise their minds, with questions to answer and a dotted line to trace for the correct answer. Strengthen their math skills, logical reasoning and more with this PDF.
Tricky Numbers Worksheet
Worksheet
A Crocodile's Teeth Worksheet
A Crocodile's Teeth Worksheet

A Crocodile's Teeth Worksheet

Show your child the animal image and ask them to identify it. If they watch animal shows, they'll likely be interested. Count the teeth together, then look at the options and help them circle the right one.
A Crocodile's Teeth Worksheet
Worksheet
Count by 5’s PDF Worksheet
Count by 5’s PDF Worksheet

Skip Counting by 5s: Aliens and Spaceships Printable

Your child will love taking an intergalactic adventure as they practice skip counting by 5's with this worksheet! It'll help them identify and recognize large groups of numbers, categorize objects to count them, and prepare them for math concepts like multiplication. And with silly space graphics, they'll be motivated for more practice!
Skip Counting by 5s: Aliens and Spaceships Printable
Worksheet
Counting States Worksheet
Counting States Worksheet

Counting States Worksheet

This fun and educative worksheet helps your kids learn more about their country. Ask them if they can name all the states, then help them trace on the dotted lines to match each state group to the correct number. Counting together is a fun way to reinforce learning.
Counting States Worksheet
Worksheet
Counting with Mittens Worksheet
Counting with Mittens Worksheet

Counting with Mittens Worksheet

Let your kid have fun with this counting worksheet! It encourages them to count numbers and figure out which come next in the picture. Check the box with the correct answer - it's already provided. No more groaning and tears - this is a great way to learn!
Counting with Mittens Worksheet
Worksheet
Sweet Counting - Part 1 Worksheet
Sweet Counting - Part 1 Worksheet

Sweet Counting - Part 1 Worksheet

Help your child learn numbers by counting cakes! Download this fun worksheet and have them fill in the numbers missing in the line of cakes. They'll have fun helping the cook and be learning at the same time!
Sweet Counting - Part 1 Worksheet
Worksheet
Count the Animal Shadows Worksheet
Count the Animal Shadows Worksheet

Count the Animal Shadows Worksheet

Our shadows accompany us wherever we go. Even your kids have seen theirs! Did they know that animals have shadows too? Count the animal shadows in each group with this worksheet. Ask your child to identify the animals pictured, then help them trace the dotted lines to match with the right number.
Count the Animal Shadows Worksheet
Worksheet
Number Puzzles Worksheet
Number Puzzles Worksheet

Number Puzzles Worksheet

In this tracing paper, your child must identify the missing numbers in the puzzle. Guide them as they trace the line for the correct number to complete the worksheet. This activity will help boost their problem-solving skills.
Number Puzzles Worksheet
Worksheet
Counting Frogs Worksheet
Counting Frogs Worksheet

Counting Frogs Worksheet

Show your child the frog's life cycle and have them count from 100 to 120. Ask them to find the missing numbers in the picture and have them check the answers beneath the numbers. Help them get it right!
Counting Frogs Worksheet
Worksheet
Light Source Counting Worksheet
Light Source Counting Worksheet

Light Source Counting Worksheet

Help your students properly understand and interpret word problems with this worksheet. Read each problem aloud and have them check the correct answers. Pictures are included to aid in problem-solving. If they're still struggling, be sure to provide guidance and support.
Light Source Counting Worksheet
Worksheet
Kindergarten Counting by Tens
Kindergarten Counting by Tens

Learn Dozens: Counting by Tens Printable

Kindergartners need to learn skip counting - counting in number groups - to increase number sense and be ready for more advanced math. Our kindergarten worksheet featuring a starry trip to outer space will help your child practice this valuable skill. Your child will choose correct answers to trace the lines to the stars, building fluency in skip counting. They'll also strengthen problem solving and see the pattern it creates. Get your little learner to the next level with this skip counting worksheet!
Learn Dozens: Counting by Tens Printable
Worksheet
Parts of the Body: Polar Body Worksheet
Parts of the Body: Polar Body Worksheet

Parts of the Body: Polar Body Worksheet

Start by showing your kid a picture of a Polar Bear. Explain that it's a member of the bear family with white fur and a large size. Use this worksheet to teach them more about the animal. Go through the questions together and have them draw a circle around the correct number for each one.
Parts of the Body: Polar Body Worksheet
Worksheet
Counting Ships to 120 Worksheet
Counting Ships to 120 Worksheet

Counting Ships to 120 Worksheet

Introduce your child to George Washington and his contributions to our country's history. If they already know their numbers, have them help George count the ships! Challenge them to fill in the missing numbers between 107 and 120.
Counting Ships to 120 Worksheet
Worksheet
Ben Franklin’s Inventions – Count to 120 Worksheet
Ben Franklin’s Inventions – Count to 120 Worksheet

Ben Franklin’s Inventions – Count to 120 Worksheet

Benjamin Franklin is a significant figure in US history. He invented objects we use daily. If your child is interested in object history and invention, they'll love this worksheet. See if they can help Mr Franklin count his inventions and check their answers. It's a simple and enjoyable task!
Ben Franklin’s Inventions – Count to 120 Worksheet
Worksheet


Parents and teachers should care about the 1.NBT.A standard in the Grade 1 mathematics curriculum because it lays a crucial foundation for students' understanding of numbers and operations in base ten. This standard focuses on developing students' abilities to recognize, relate, and manipulate numbers up to 120, which is essential for their mathematical literacy. Mastering basic concepts such as counting, writing, and comparing numbers can play a pivotal role in children’s overall cognitive development.

In Grade 1, students are introduced to the base ten system, a fundamental concept used throughout mathematics. This includes understanding place value – knowing that in the number 23, for example, the '2' represents twenty and the '3' represents three ones. Helping children grasp this concept aids their skills in addition and subtraction and prepares them for more complex operations in subsequent grades.

Moreover, strong early mathematics skills boost confidence, reduce math anxiety, and enhance overall academic performance. By engaging with these concepts through playful activities, parents and teachers can make learning enjoyable, fostering a positive attitude toward mathematics. Therefore, prioritizing the 1.NBT.A standard is vital for setting students up for long-term success in math and instilling a love for the subject early on.