Comparing numbers up to 100

Learning Objectives Identify which of two numbers up to 100 is greater. Identify which of two numbers up to 100 is less. Correctly use the greater than symbol (>) to compare two numbers. Correctly use the less than symbol (<) to compare two numbers. Correctly use the equal to symbol (=) to compare two numbers. Compare two numbers by looking at the tens and ones place. You have 25 crayons 🖍️ and your friend has 32. Who has more? Today, we will learn how to compare numbers! We will find out which number is bigger or smaller. This helps us know who has more of something. Real-World Applications Knowing who has a higher score in a game 🏆 Sharing snacks fairly with a friend 🍎 Seeing who collected more stickers ✨ Finding out who is older by comparing ages 🎂

TermDefinitionExample Greater Than (>)This means a number is bigger than another number.10 is greater than 5. We write it as 10 > 5. Less Than (<)This means a number is smaller than another number.3 is less than 8. We write it as 3 < 8. Equal To (=)This means two numbers are the exact same amount.7 is equal to 7. We write it as 7 = 7. CompareTo look at two numbers and see which is bigger or smaller.Let's compare 15 and 20. We see that 15 is smaller. Tens PlaceThe number that tells us how many groups of ten. It's the first number on the left in a two-digit number.In the number 42, the 4 is in the tens place. It means 4 tens. Ones PlaceThe number that tells us how many single ones. It's the number on the right.In the number 42, the 2 is in the ones place. It means...

The Alligator Mouth Rule 🐊 a > b \text{ or } a < b The alligator is very hungry! Its mouth always opens to eat the bigger number. Rule 1: Compare the Tens First \text{If tens in } N_1 > \text{tens in } N_2, \text{ then } N_1 > N_2 Always look at the digit in the tens place first. The number with more tens is the bigger number. Rule 2: Compare the Ones if Tens are Equal \text{If tens are equal, compare ones.} If the tens digits are the same, then you look at the ones place. The number with more ones is bigger.