Page 8 – 3rd Grade

1. Observe the expanded notation.

(6 x 10,000) + (7 x 1,000) + (9 x 100) + (3 x 10) + (4 x 1)

How would this be written in standard form?

2. Observe the expanded notation.

(8 x 10,000) + (6 x 100) + (8 x 10) + (7 x 1)

How would this be written in standard form?

3. Mrs. Johnson asked the student groups in
her class to compose the model shown below.

What number did the groups in Mrs. Johnson’s class compose?

4. Alex and his group composed the model
shown below.

What number did Alex’s group compose?

5. Jacob wrote the following expanded
notation on his place value chart.

20,000 + 9,000 + 300 + 70 + 8

How is this number written in standard form?

6. Mrs. Lopez asked her students to write the
number 87,398 in expanded form. Which
answer is written in expanded form correctly?