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>** Place Value Model** < you are here

video

teach kids about numbers.

Parts of Base-ten blocks

1-block or unit block

rod or long made of ten

blocks. each rode value 10

blocks. each rode value 10

each unite value 1

100-block, called a flat

1000 block

The flat made of 100 units

or 10 rods

or 10 rods

1)What number is shown??

2)What number is shown?

2 rods = 20

1 unit = 1

**answer is 21**

1 unit = 1

2 rods = 20

1 unit = 1

1 flat = 100

**answer is 121**

1 unit = 1

1 flat = 100

Which place-value model shows 200?

The correct answer is B

This model has 2 hundreds.

It shows 200

This model has 2 hundreds.

It shows 200

(A) model has 4 tens, It

shows 40.

shows 40.

A

B