Building Numbers with Base 10 Blocks

Front

What are base 10 blocks?

Back

Base 10 blocks are tools used to teach place value and number concepts. They consist of unit cubes (1), rods (10), flats (100), and cubes (1000).

Front

What does a unit cube represent?

Back

A unit cube represents the value of 1 in base 10.

Front

What does a rod represent?

Back

A rod represents the value of 10 in base 10.

Front

What does a flat represent?

Back

A flat represents the value of 100 in base 10.

Front

What does a cube represent?

Back

A cube represents the value of 1000 in base 10.

Front

How do you count using base 10 blocks?

Back

You count by grouping the blocks: 10 unit cubes make 1 rod, 10 rods make 1 flat, and 10 flats make 1 cube.

Front

What is the value of 3 rods?

Back

The value of 3 rods is 30 because each rod is worth 10.

Front

What is the value of 2 flats?

Back

The value of 2 flats is 200 because each flat is worth 100.

Front

How do you represent the number 254 using base 10 blocks?

Back

You would use 2 flats (200), 5 rods (50), and 4 unit cubes (4).

Front

What is the total value of 1 flat, 3 rods, and 2 unit cubes?

Back

The total value is 132 (100 + 30 + 2).