# Adding with Base 10 blocks (no regrouping) - Part 1 - Lesson for Grade 1, Chapter - Addition and Subtraction 20-100

In the lesson "Adding with Base 10 blocks (no regrouping) - Part 1", first-grade students will embark on an exciting journey into the world of addition within the range of 20 to 100. This lesson, which is a part of the "Foundations in Operations Within 100" unit, is designed to bolster students' understanding of basic addition concepts using tactile and visual learning methods.

Throughout this lesson, students will learn how to effectively use Base 10 blocks to add numbers without the need for regrouping. By engaging in activities such as "Counting Tens and Ones to Add" and completing worksheets like "Counting Tens and Ones: Part 1", students will develop a solid grasp of how to break down numbers into tens and ones, making addition more accessible and less intimidating.

The inclusion of "Addition Practice Sheet: Part 1" and "Part 2" provides ample opportunities for students to apply what they have learned, reinforcing their skills through practice. This hands-on approach not only aids in understanding the concept of addition but also enhances fine motor skills and number sense.

Estimated classroom time: 13 min
Unit: Foundations in Operations Within 100
Click on any activity below to start learning.
1st
4:00 min
Counting Tens and Ones to Add
video
2nd
3:00 min
Counting Tens and Ones: Part 1 Worksheet
worksheet
3rd
3:00 min
worksheet
4th
3:00 min
worksheet
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• ### Activity 2 / Counting Tens and Ones: Part 1 Worksheet

Learning place value is easiest when kids have manipulatives to represent the numbers. So what can a parent do when those manipulatives are at school and not at home? Kids Academy has your child covered with this handy place value worksheet that includes longs and cubes to assist learners in the same way real objects would do in class! Simply count the cubes and add them to find the sum. Continue through this colorful downloadable page to gain a better understanding of addition and place value!

• ### Activity 3 / Addition Practice Sheet: Part 1

Kids in kindergarten and first grade should learn to add larger numbers by flexing and increasing their knowledge and understanding of place value. Kids Academy understands the important role that base ten blocks play in teaching children to understand mathematics thoroughly inside and out. Use this helpful worksheet to introduce your child to addition with base ten blocks, even if you don’t have manipulatives at home to use! This free downloadable page will provide the images your child needs to be successful!

• ### Activity 4 / Addition Practice Sheet: Part 2

Before moving on to adding larger numbers in two or three digits, be sure that your kids have a solid grasp of place value. Addition problems don’t always have to be in the form of number sentences or standard form, and in fact students can more easily understand the concept behind the addition while working with base ten blocks. Use this vivid worksheet from Kids Academy that provides the manipulatives for you, all in the form of colorful cubes. Solve by finding the totals using the base 10 block images on the page!