Grade 3 Think Up Unit 2

Front

What is standard form?

Back

A number written with one digit for each place value position.

Front

What is the base ten place-value system?

Back

A numerical system used to represent numbers based on the powers of ten.

Front

What does it mean to compose?

Back

To form a number or shape by putting parts together.

Front

What is the place value of ten thousand?

Back

The place value position to the left of the one thousands.

Front

What does value mean in mathematics?

Back

How much something is worth.

Front

What is the value of the digit 5 in the number 5,432?

Back

5,000.

Front

How do you represent the number 23 in expanded form?

Back

20 + 3.

Front

What is the place value of the digit 3 in the number 3,456?

Back

Hundreds.

Front

What is the difference between composing and decomposing numbers?

Back

Composing is putting parts together, while decomposing is breaking apart into smaller parts.

Front

What is the value of the digit 7 in the number 7,890?

Back

700.