04/19/23 1

Alligator Eats the BIG NumberAlligator Eats the BIG Number

Antoinette Mia PettisAntoinette Mia Pettis

04/19/23 2

Hi! My name is Ivan and I am 12 years old! I like numbers; do you?

Hi! My name is Ivan and I am 12 years old! I like numbers; do you?

04/19/23 3

My little brother DeSean, who is 5, does not like numbers. He doesn’t know how to compare numbers. Can you help him?

My little brother DeSean, who is 5, does not like numbers. He doesn’t know how to compare numbers. Can you help him?

04/19/23 4

DeSean really likes Alligators! So I was thinking we could use Alligators to help him compare numbers.

DeSean really likes Alligators! So I was thinking we could use Alligators to help him compare numbers.

04/19/23 5

< This is the less than sign.> This is the greater than sign.= This is the equal to sign.

See how the < and > look like an Alligator’s mouth?

< This is the less than sign.> This is the greater than sign.= This is the equal to sign.

See how the < and > look like an Alligator’s mouth?

04/19/23 6

The Alligator’s mouth needs to eat the big number. For example:

3 < 9

The Alligator’s mouth needs to eat the big number. For example:

3 < 9

See how the sign faces the BIG NUMBER.

04/19/23 7

To help us remember which way the signs face we will use the saying “Alligator eats the BIG NUMBER!”

To help us remember which way the signs face we will use the saying “Alligator eats the BIG NUMBER!”

04/19/23 8

If the numbers are the same we use the = sign. For example:

5=5

If the numbers are the same we use the = sign. For example:

5=5

04/19/23 9

Let’s do a few problems together to see if you and DeSean understand.

Let’s do a few problems together to see if you and DeSean understand.

04/19/23 10

2 ___ 8

Which sign do we use?

2 ___ 8

Which sign do we use?

04/19/23 11

2 < 8Right! We do use the Less than sign

because the Alligator eats the BIG NUMBER!

2 < 8Right! We do use the Less than sign

because the Alligator eats the BIG NUMBER!

04/19/23 12

9 ____ 1What do we use now?

9 ____ 1What do we use now?

04/19/23 13

9 > 1 Yes! You got it. We use the greater than sign

because…the Alligator eats the BIG NUMBER!

9 > 1 Yes! You got it. We use the greater than sign

because…the Alligator eats the BIG NUMBER!

04/19/23 14

6 ____ 6

What about these two numbers?

6 ____ 6

What about these two numbers?

04/19/23 15

6 = 6Great job. We use the equal to sign because the

numbers are the SAME.

6 = 6Great job. We use the equal to sign because the

numbers are the SAME.

04/19/23 16

I think DeSean understands comparisons now. Thank you so much for helping!

I think DeSean understands comparisons now. Thank you so much for helping!

04/19/23 17

TEKS TEKS (1.1) Number, operation, and quantitative

reasoning. The student uses whole numbers to describe and compare quantities. (1st Grade)

The student is expected to:

(A) compare and order whole numbers up to 99 (less than, greater than, or equal to) using sets of concrete objects and pictorial models.

(1.1) Number, operation, and quantitative reasoning. The student uses whole numbers to describe and compare quantities. (1st Grade)

The student is expected to:

(A) compare and order whole numbers up to 99 (less than, greater than, or equal to) using sets of concrete objects and pictorial models.