Finding the difference between two numbers
Jena Simms | Wichita Collegiate School | Wichita, Kansas
In this subtraction lesson, students use number cards and pennies to find the difference between two numbers.
Read transcript
I have a seven, and you have a four.
How many are left?
Three. The difference is three.
They’re going to put these pennies back, and they’re each going to take another card. So what number did you get?
I got three.
I got five.
So we’re going to take those pennies, and we’re going to compare, just like last time. The difference between three and five is…
Two.
Two. Nice job.
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