Question

How can this model be used to determine 2.3−0.26 ?

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The model shows a total of 2 wholes and 3 tenths. After regrouping 1 tenth into 10 hundredths, there are 2 wholes,
tenths, and
hundredths. After crossing out 2 tenths and 6 hundredths, there are 2 wholes,
tenths, and
hundredths remaining.
Question 2
What is 2.3−0.26?

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Answer 1

, there are 2 wholes,

2tenths, and

13hundredths remaining.

After crossing out 2 tenths and 6 hundredths, there are 2 wholes,

0 tenths, and 7 hundreths remaining

3. What is 2.3−0.26?

Answer: 2.07