Number Operations with Two-Digit Numbers within 20

Worksheets with structured exercises and tasks on numbers and operations with two-digit numbers within 20 for Grade 1 Math — available to download and print as PDFs

Please observe our terms of use when utilizing our materials.

Understanding Number Operations within 20

In Grade 1, children practice number operations within 20, focusing first on addition and subtraction. Using simple tools like a place value chart with tens and ones helps them understand how numbers are built.

They explore number relationships by finding neighboring numbers, comparing greater and smaller numbers, and recognizing inverse operations. At first, they calculate without regrouping; later they learn regrouping with 10 as an important step.

For example: 8 + 5 is solved as 8 + 2 + 3 = 13. This shows that 13 is made of one ten and three ones.

Through regular practice, children build confidence, develop number sense, and prepare for more complex math in higher grades.

Learning Objectives

Understand and recognize the representation of numbers and number relationships
Comprehend and master numbers and operations within 20
Identify and perform number operations in everyday situations
Represent numbers correctly in place value notation

Tasks

Count and order numbers within 20
Compare numbers and recognize greater oder smaller values
Identifying and continuing calculation patterns
Solve word problems based on everyday situations

Our Master Bundle

All worksheets from the EduKing on the topic "Number Operations with Two-Digit Numbers within 20" for Grade 1 Math - including a test, available as PDF downloads

Master Bundle: Number Operations with Two-Digit Numbers within 20

3,49 €*

Add to cart

Worksheets and Exercises for Number Operations with Two-Digit Numbers within 20

Number Operations 1

Basic operations.

- free -