# Comparing Numbers Up to 100 Rating

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Comparing Numbers Up to 100
CCSS.MATH.CONTENT.1.NBT.B.3

## Comparing Numbers Up to 100

What does comparing numbers mean? Comparing numbers means using base 10 blocks to be able to compare numbers two two-digit numbers and describe which one is more, less, or the same. By this, you are able to determine if a number is bigger, smaller or the same as another. Let’s have a look at how comparing numbers up to 100 works!

## Comparing Numbers – Place Value Charts

When comparing numbers in 1st grade, we can use place value charts. In a place value chart, you can represent numbers and their values. Each digit in a number has a place value. Digits in the ones place have a value of one each. Digits in the tens place have a value of ten each. Let’s look at the number eighty-four for example:

Tens Ones
8 4

The number 84 can be represented in this place value chart. We have eight tens (eighty) and four ones (four).

## Comparing Numbers Up to 100 – Examples

Let’s look at how comparing numbers works using place value charts and base ten blocks. This is what you need to do:

First, look at the tens place first to see which digit is greater. The number with the higher digit is the bigger number and the number with the lower digit is the smaller number. In the picture above, the number on the left has two tens whereas the number on the right has three tens. Knowing this, we can state that thirty-two is a higher number than twenty-three: 32 > 23.

If the tens place has the same digit, then we need to look at the digits in the ones place. The number with the higher digit is the bigger number and the number with the lower digit is the smaller number. In the picture above, we compare 64 and 66. Since the tens are the same, we look at the ones to determine which number is the larger one. Since six is larger than four, we can say that sixty-six is larger than sixty-four: 66 > 64.

## Comparing Numbers Up to 100 – Follow Up Activities

At the end of the video, you can find additional activities practicing comparing numbers for kids in 1st grade with interactive exercises and worksheets for comparing numbers using place values.

### TranscriptComparing Numbers Up to 100

"Henry, let’s have an apple picking contest." "We'll count the apples on two trees then guess which one has more." "And if someone says the wrong number is greater, they have to climb up in the tree and pick ALL the apples." "DEAL!" "Comparing Numbers Up to 100" Tens and ones are PLACE VALUES. Each digit in a number has a place value. When digits are in the ONES place, they have the value of one each. When digits are in the tens place, they each have a value of ten. Skylar and Henry picked two trees and counted the apples. Henry counted twenty-three apples... and Skylar counted thirty-two. Henry says that twenty-three is greater, or bigger, than thirty-two and so HIS tree has more apples. Is Henry right ? (...) Let’s use a place value chart and base ten blocks to compare the numbers and see which one is GREATER. When COMPARING numbers, we start by looking at the TENS place and seeing which one has MORE. Let’s look at the numbers twenty-three and thirty-two. In the number twenty-three... the two is under the tens column because it's in the tens place… and tells us we need two tens. The three is under the ones because it's in the ONES place... and tells us we need three ones. Now, look at the number, thirty-two. The three is under the tens because it's in the TENS place. and the two is under the ones. How many TENS do we need to put under the tens place? (...) THREE. How many ONES do we put under the ones? (...) TWO Now we'll compare to see which number is greater. Next, we need to check the larger place value, or the TENS place, to see which number is BIGGER. HERE there is a two in the TENS place, which means we have twenty. In the number, thirty-two, there are THREE tens in the tens place, for thirty. There are more tens in thirty-two than twenty-three, so THIRTY-TWO is greater. Henry mixed up the place values and Skylar’s tree actually has more apples! "OH, (...) I GET IT!" "That was just practice." "Let’s try one more time." On the next try, Henry counted sixty-four apples on his tree… and Sklyar counted sixty-six apples. Skylar says she has counted more apples than Henry. Is Skylar right? (...) Let's put sixty- four and sixty-six in the place value charts. In the number sixty-four, how many tens do we have? (...) Six. How many do we put in the ones place? (...) Four. Look at the number sixty-six. How many tens do we have? (...) Six. How many do we put in the ones place? (...) Six. Now, we’ll compare to see which number is greater. Remember, we start with the tens place because it is the LARGER place value. What do you notice about the numbers in the tens place? (...) The numbers are the SAME. When the numbers are the same in the tens place, then we need to look at the ONES place to compare. Which number has more ones? (...) Sixty-six has more in the ones place, so it is GREATER than sixty-four. Skylar was right! While Skylar and Henry sort out the contest winner, (...)Remember… When COMPARING numbers, we start by looking at the TENS place to see which one has MORE. If the numbers are the same in the tens place, then we look at the ONES place to see which number is greater. "Wait! (...)Skylar(...) There are MORE apples on this tree than I counted!" " Wait Henry, (...) Let me help you!"

## Comparing Numbers Up to 100 exercise

Would you like to apply the knowledge you’ve learned? You can review and practice it with the tasks for the video Comparing Numbers Up to 100.
• ### Which base ten blocks show the correct number of apples Henry counted in his tree?

Hints

How many tens are in 72? Make sure there are this many blue ten sticks.

Solution

The number 72 has 7 tens and 2 ones.

• ### Comparing numbers with base ten blocks.

Hints

When digits are in the ones place, they each have the value of one. When digits are in the tens place, they each have the value of ten.

Solution

The number 95 and 92 have the same number of tens, so we need to compare the ones place.
95 has more ones than 92.
95 is greater than 92.

• ### Who collected the most apples?

Hints

When comparing numbers, we start by looking at the tens place and seeing which one has more. Remember, we start with the tens place because it is the larger place value.

Which number has the most tens? If more than one number have the same digit in the tens, which has the most ones?

Solution

To solve this problem, look at the numbers in the tens place first.
Two of the numbers have a 2 in the tens place, one has a 1, and one doesn’t have any number in the tens place.
2 is bigger than one, but there are two numbers with 2 in the tens place. Look at the ones place.
27 has a 7 in the ones place and 25 has 5 in the ones place.
7 is bigger than 5, so 27 is bigger than 25.
Out of the four numbers, 27 is the greatest number.
Henry collected the most apples. He collected 27 apples, which has 2 tens and 7 ones.

• ### Comparing numbers.

Hints

When comparing numbers, we start by looking at the tens place and seeing which one has more. Remember, we start with the tens place because it is the larger place value.

Least means smallest and greatest means biggest.

When the numbers are the same in the tens place, then we need to look at the ones place to compare.

Solution

Skylar collected the most amount of apples on Tuesday. She collected 29 apples on Tuesday. The number 29 has 2 tens and 9 ones.
Skylar collected the least amount of apples on Monday. She collected 5 apples on Monday. The number 5 has 0 tens and 5 ones.

• ### Greater than or less than?

Hints

When comparing numbers, we start by looking at the tens place.
35 has a 3 in the tens place.
Is the number in the tens place greater than or less than 3?

If the numbers in the tens place are the same, look in the ones place and compare.
35 has a 5 in the ones place.
Is the number in the ones place greater than or less than 5?

Solution

The number 35 has 3 tens and 5 ones. When comparing numbers, we start by looking at the tens place and seeing which one has more. Remember, we start with the tens place because it is the larger place value. When the numbers are the same in the tens place, then we need to look at the ones place to compare.
33: The number 33 is less than 35. It has 3 tens and 3 ones.
82: The number 82 is greater than 35. It has 8 tens and 2 ones.
15: The number 15 is less than 35. It has 1 ten and 5 ones.
60: The number 60 is greater than 35. It has 6 tens and 0 ones.

• ### Put the numbers in order from least to greatest.

Hints

Least means the smallest and greatest means the biggest.

When comparing numbers, we start by looking at the tens place and seeing which one has more. When the numbers are the same in the tens place, then we need to look at the ones place to compare.

Solution

The numbers in order from least to greatest: 5, 12, 34, 38, 70