Adding Two-Digit Numbers
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Objective
I can add two-digit numbers accurately using different strategies.
Part 1 of 4
Warm-up video
Khan Academy · 2:33Vetted channel
We don't generate video — this one is by Khan Academy 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
In the number 23, there are two tens and three ones.
- 2
When adding 23 + 45, first add the ones place: 3 + 5 = 8.
- 3
When adding 23 + 45, then add the tens place: 20 + 40 = 60, so the answer is 68.
Part 3 of 4
Practice
11 questions
What are the two numbers being added together in the video?
In the video, how many 'tens' are there in the number 23?
Part 4 of 4
Exit ticket
Quick comprehension check
“Add 32 and 56 using the tens and ones strategy shown in the video. How many tens and ones are in the total?”
Sample answer included in the free materials
Get the materials
Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
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