Understanding Tens and Ones
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Objective
I can show that I understand that the two digits of a two-digit number represent amounts of tens and ones.
Part 1 of 4
Warm-up video
mathantics · 9:26Vetted channel
We don't generate video — this one is by mathantics on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Our number system is called ‘base 10’ because it uses ten different symbols called digits for counting.
- 2
The number place to the left of the ones place is called the tens place, and it counts groups of ten.
- 3
The number PLACE that a digit is in determines its VALUE, and writing a number in ‘Expanded Form’ shows the combination of different groups.
Part 3 of 4
Practice
3 questions
What does the digit in the tens place represent in a two-digit number?
If you have 23 apples, how many groups of ten apples do you have, and how many single apples are left?
Part 4 of 4
Exit ticket
Quick comprehension check
“What does the number 35 represent? How many groups of ten and how many ones?”
Sample answer included in the free materials
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