Krystal CudworthEDM Review Lesson3.6.15

Objective: Students will be able to identify the correct place value. Students will be able to distinguish the difference between more and less than.

Warm up: (Have students meet at the carpet. On the board write numbers and have them move their bodies to have “alligator” eat the bigger number).

25 & 30 89 & 99 55 & 55 30 & 40 103 & 130

Lesson: “Let’s count by 10’s to 100…”

Now if I am looking for the number that is: “Ten less than 64, what number am I talking

about? (54) Draw using base ten blocks on the board (wrong). So this represents the

number 54, right? Turn and tell your partner how you would fix this. What number is in

my ONES place? (4)

Let’s try another one! I am looking for the number that is 10 MORE than 27. What

number is this? (37)tell a partner how you would show this number using base ten

blocks. Do I have a friend that can come up and draw this for us? (Tamsin). Great! I love

how when Tamsin drew the blocks she used five “longs” and seven cubes. Now, which

number is in the tens place? (3).

“Now, we are going to work on this at our desks…with food! When I dismiss you from

the carpet, your job is to walk like you’re on the moon to your desks! I am looking for a

quiet astronaut that can help to pass out our mats.”

I have pretzel sticks to represent our TENS and M&M’s to represent our ONES. How

many pretzel sticks will it take to make 100? (10). We will use the Oreo cookie for 100.

Don’t eat your snack until the very end! Promise?!

Make the number 31. How many tens are there? (3). How many ones are there? (1).

Make this on your mat. Good! Now, underneath our 31, make the number 45.

Make the number 45. How many tens are there? (4). How many ones are there? (5).

Which number is greater? 31 or 45? How do we know that 45 is bigger? there are 4

tens in 45 and only 3 tens in 31.

Make the number 103. How many hundreds? (1). How many tens are there? (0). How

many ones? (3). Now, keep this here. Make the number 117 underneath.

Make the number 117. How many tens are there? (1). How many hundreds? (1). How

many ones? (7). Which number is greater? 103 or 117? How do we know this? they

both have one hundred, but 103 has ZERO tens.

Now, your job is to use the dice from your tool kit. Roll the dice to make a number. Write

the number on your mat, then draw it using base ten blocks. Do as many as you can, and

underline the TENS PLACE on these numbers. While you are doing this, you may eat

your numbers!

DIFFERENTIATION: High flyers: challenge them to use the double dice. Hard workers: Give them the roll it, make it and expand it worksheet.

Closing: Today, we reviewed place value. This is important because it helps you to understand the meaning of a number. Place value also helps us to understand the order of numbers as well!

Roll it! Make it! Expand it!

Name____________________________

Roll it Make it Expand it