Base 10
Placeholder
Written Form
Expanded Form
Place Value
100

What is the name of the base 10 model that represents/shows ones?

Unit

100

What number do we use as a placeholder?

Zero

100

True or false: we use words to represent numbers in written form. 

True

100

What is this number represented by expanded form?

300+20+9

329

100

How many tens are in the number 721?

2, which equals 20

200

What is the name of the base 10 model that represents/shows tens?

Rods
200

If we have a set of dogs that have four heads, what would this set be called?

an EMPTY set.

200

Use written form on the whiteboard to show the number 11.

Eleven

200

True or false, the following number is in correct expanded form: 300+70-4

False! There needs to be the "plus" or "addition" symbol between each value. 

200

How many ones are in the number 30?

zero

300

What is the base 10 model that represents/shows hundreds?

Flats

300

The number is eight hundred, nine. Write this on the board with a correct placeholder zero.

809

300

The written form of 207 is two hundred, seventy. True or false?

False. It should be two hundred, seven.

300

Use the whiteboard to show the number 286

200+80+6

300

8, in the number 843, is in which place value position?

Hundreds

400
What is the base 10 model that represents/shows thousands?

Cubes

400

True or false: the number 1,035 has a zero as a placeholder in the hundreds place.

True!

400

Use the whiteboard to show the number 492

Four hundred ninety-two

400

Is this correct expanded form: 1+20+100

No! It should be 100+20+1 if we want to represent 121

400

True or false: tens and tenths mean the same thing.

False! Tenths is used when we talk about decimals (e.g. 0.5) Tens is used for natural numbers (e.g. 20) to the left of a decimal

500

What is the number represented by the base 10 model drawn by Ms. B on the board? 

1006

500

If I have the number one thousand, five hundred, twenty. Which place would the zero be in (Thousands, Hundreds, Tens, or Ones)?

Ones
500

What is the number represented by the following words: 


one thousand two hundred

1, 200

500

What is represented here? 

1000+500+3

1,503

500

What are the four places in the place value chart that we will talk about in grade 2 (from right to left)?

Ones, tens, hundreds, thousands