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Math Worksheets

Lessons for First Grade

Free Printable Worksheets

Printable place value worksheets for 1st Grade:

Ten and Ones (eg. 17 = __ ten and __ ones)

Count Tens & Ones (with pictures)

Count Tens & Ones (with place value charts)

Tens and Ones (eg. 73 = __ tens and __ ones)

Add Tens & Ones (with pictures)

Add Tens & Ones (eg. 60 + 4 = )

1 more, 1 less, 10 more, 10 less

Explaining “1 ten” to first-graders involves introducing the concept of place value and helping them understand that numbers are composed of units (ones) and groups of ten. Here’s an explanation suitable for first-grade students:

- Concept of Place Value:

In our number system, each digit’s position in a number has a specific value.

The rightmost digit represents ones (units), and the digit to its left represents tens. - Explanation:

When we say “1 ten,” we mean one group of ten.

Imagine you have a set of ten objects, like ten blocks or ten apples. That set of ten is called “1 ten.” - Example:

In the number 14, the digit 1 is in the tens place. So, there is “1 ten” in 24, and the digit 4 represents the number of ones.

In summary, for first-graders, “1 ten” is an introduction to the concept of place value, emphasizing the presence of one group of ten within a number. Making it tangible and using visual aids will help students build a foundation for understanding larger numbers and place value as they progress in their mathematical learning.

Have a look at this video if you need to review what is ten and ones.

Click on the following worksheet to get a printable pdf document.

Scroll down the page for more **Ten and Ones Worksheets**.

(Answers on the second page)

Ten and Ones Worksheet #1

Ten and Ones Worksheet #2

Ten and Ones Worksheet #3

Addition Facts to 20 (eg. 12 + 5)

Add 10 to a 2-digit number (eg. 10 + 24)

Add Whole Tens (eg. 50 + 60)

Add Tens to a 2-digit number (eg. 60 + 34)

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