Base Ten Blocks

Front

What is a Base Ten Block?

Back

A Base Ten Block is a manipulative used to teach place value and arithmetic. It consists of units (1s), rods (10s), and flats (100s) that represent numbers in the base ten system.

Tags

CCSS.2.OA.A.1

Front

What does a unit block represent?

Back

A unit block represents the number 1 in the Base Ten system.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What does a rod block represent?

Back

A rod block represents the number 10 in the Base Ten system.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What does a flat block represent?

Back

A flat block represents the number 100 in the Base Ten system.

Tags

CCSS.2.NBT.A.3

Front

How many unit blocks are in one rod?

Back

There are 10 unit blocks in one rod.

Tags

CCSS.2.NBT.A.1B

Front

How many rods are in one flat?

Back

There are 10 rods in one flat.

Tags

CCSS.2.NBT.A.1B

Front

If you have 3 rods, how many units do you have?

Back

You have 30 units (3 rods x 10 units each).

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

If you have 2 flats, how many units do you have?

Back

You have 200 units (2 flats x 100 units each).

Tags

CCSS.2.NBT.A.1B

Front

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

Back

The total value is 123 (1 flat = 100, 2 rods = 20, 3 units = 3).

Tags

CCSS.2.NBT.A.3

Front

How do you represent the number 18 using Base Ten Blocks?

Back

You can represent 18 with 1 rod (10) and 8 unit blocks (8).

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C