The equivalence of ten ones and one ten means that ten individual units can be composed into a single unit of a larger place-value unit without changing the quantity; conversely, one ten can be decomposed into ten ones. Within numbers through 100, this relationship explains why ten ones are recorded as 1 ten and 0 ones and supports composing, decomposing, reading, and comparing two-digit numbers.
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Detailed Explanation: Explain that ten ones make one ten
Ten ones have the same value as one ten.
Think of single blocks. We can group them into one group of ten:
Example: Show ones. How many tens and ones are there?
- Count the ones: .
- When you have ones, trade or group them to make ten.
- There are no single ones left.
So, ones is:
We write this as . The is in the tens place, and the is in the ones place.
Learn by doing: Explain that ten ones make one ten
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Addition - Whole Number - Within 20 - Column
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Download/Modify Free Grade 1 'Explain that ten ones make one ten' Worksheet
Print this free 'Explain that ten ones make one ten' worksheet to practice this skill away from the computer. Click 'Modify' to easily customize this worksheet to your exact needs.
This Worksheet Includes:
- Addition - Whole Number - Within 20 - Column
- Addition - Whole Number 2 digit + 1 digit - Column, With Carry
- Base 10 Blocks - Adding - Picture to Answer, With Carry - Tens and Ones
- Base 10 Blocks - Decompose and Compare - Tens to Ones
- Base 10 Blocks - Adding - Picture to Equation, With Carry - Tens and Ones
- Addition - Whole Number 1 digit + 1 digit - Column, With Carry
- Base 10 Blocks - Counting - Picture to Word, Tens and Ones
- Base 10 Blocks - Counting - Number to Picture, Tens and Ones
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