Question Video: Using Place Value to Compare Two-Digit Numbers | Nagwa Question Video: Using Place Value to Compare Two-Digit Numbers | Nagwa

# Question Video: Using Place Value to Compare Two-Digit Numbers Mathematics • First Year of Primary School

Mason has written 31 and 39 in place value tables. Does 39 have more, less, or the same number of tens as 31? Does 39 have more or less ones than 31? Pick the smaller number.

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### Video Transcript

Mason has written 31 and 39 in place value tables. Does 39 have more, less, or the same number of tens as 31? Does 39 have more or less ones than 31? And finally, pick the smaller number.

We can start with this very first question. Does 39 have more, less, or the same number of tens as 31? In our place value chart, the tens place is the column that’s colored yellow. 31 has a three in the tens place. And 39 has a three in the tens place. This means that 39 has the same number of tens as 31.

Now we can move on to our second question. Does 39 have more or less ones than 31? In the place value tables, the ones place is the column in red. 39 has a nine in the ones place. And 31 has a one in the ones place. Does 39 have more or less ones than 31? Well, 39 has nine ones. And 31 only has one. Nine is more than one. This means that 39 has more ones than 31.

Our last question tells us to pick the smaller number. We’ve already said that the tens place is the same for both of these numbers. And that means, to choose the smaller number, we’ll have to choose the number with the smallest digit in the ones place. We’re comparing one and nine. Since one is less than nine, 31 is smaller than 39. 31 is the smaller number.

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