1.NBT.C.6 Number and Operations in Base Ten worksheets With Answers for Grade 1

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Enhance your first grader’s math skills with our "1.NBT.C.6 Number and Operations in Base Ten" worksheets designed specifically for Grade 1. These engaging and interactive worksheets focus on understanding place value, highlighting how to add and subtract within 20 using place value concepts. Each worksheet comes with a detailed answer key to simplify the grading process and assist parents and teachers in tracking progress. Perfect for reinforcing classroom lessons or for home practice, our worksheets foster a solid foundation in mathematical concepts, ensuring students gain confidence and proficiency in their number operations. Explore our resources and watch your child excel!


Check out this FREE Grade 1 1.NBT.C.6 Trial Lesson!

Subtract 10 from Multiples of 10

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Find The Difference Worksheet
Find The Difference Worksheet

Find The Difference Worksheet

Kindergarteners need to work out subtraction problems and get the right answers. To help them, point to the alien ship with '30' in it on the worksheet. Get them to follow a line to the equations with a difference of 30. Solving these simple subtraction problems will give the answers.
Find The Difference Worksheet
Worksheet
Journey Through Space Worksheet
Journey Through Space Worksheet

Journey Through Space Worksheet

Astronauts are essential explorers. They travel between Earth and other planets to gain knowledge of life in space. Being an astronaut requires strong math skills, so help your child develop them through this worksheet. Ask them to assist Sally on her journey to the planets by solving the number sentences in the picture. Verify the answers are correct.
Journey Through Space Worksheet
Worksheet
Daisy Subtraction Quest Worksheet
Daisy Subtraction Quest Worksheet

Daisy Subtraction Quest Worksheet

Ohh-la-la! These daisies are something special! With ten petals each, they're perfect for helping little math learners use tens to find number sentences that differ by 20. Our free worksheet is full of bright colors to engage and easy questions to strengthen math automaticity and confidence.
Daisy Subtraction Quest Worksheet
Worksheet
Subtract Tens: Spooky Math Worksheet
Subtract Tens: Spooky Math Worksheet

Subtract Tens: Spooky Math Worksheet

No need to fear solving math equations! Your mathematician will be a hero and help the boy escape the haunted house. Number families, if/then statements, fun graphics and increased understanding are all part of the equation. They'll have so much fun, they won't even realize it's math!
Subtract Tens: Spooky Math Worksheet
Worksheet
Space Mission Math Worksheet
Space Mission Math Worksheet

Space Mission Math Worksheet

Your kids will love this worksheet! They can help astronauts reach Jupiter by tracing a line through all the equations and adding them up correctly. Spark their curiosity about space by exploring asteroids, planets, and aliens. Astronauts are professionals who study the complexities of space - let them help your child join in the journey!
Space Mission Math Worksheet
Worksheet
Subtracting Tens Worksheet
Subtracting Tens Worksheet

Subtracting Tens Worksheet

Base ten blocks enable kids to make practical math connections and develop number sense. This free worksheet, using bright-colored tens blocks, helps children learn to skip count and subtract. It lays a strong foundation for upcoming higher level math problems.
Subtracting Tens Worksheet
Worksheet


Parents and teachers should be invested in the NBT.C.6 standard, which focuses on understanding the value of digits in two-digit numbers, as this foundational concept is crucial for children's mathematical development. In Grade 1, students learn to recognize that in numbers such as 45, the digit 4 represents 40 (four tens) and the digit 5 represents 5 (five ones). This comprehension lays the groundwork for more complex arithmetic and number sense that will support their future learning in mathematics.

Understanding place value prepares students for operations like addition and subtraction, ensuring they can manipulate numbers confidently. When children grasp how to use tens and ones, they can accurately perform tasks like grouping and regrouping, which are essential for problem-solving. As they become proficient in applying these skills, their confidence in math increases, fostering a positive attitude towards learning.

Moreover, parents and teachers can engage learners through games and practical activities that deepen their understanding of place value. When families and educators collaborate to reinforce this concept, they cultivate a supportive learning environment that enhances academic achievement and encourages a lifelong appreciation for mathematics. Thus, NBT.C.6 is not just a standard; it's a critical stepping stone in a child’s educational journey.