# Worksheet: Modeling Three-Digit Numbers

In this worksheet, we will practice how to count how many objects there are when the objects are arranged into groups of 100, 10, and 1.

Q1:

What number is shown? Q2:

There are 100 balls in each bag. How many balls are there? Q3:

Mason wants to know how many items of fruit he bought.

Answer the questions to help him.

He counts in hundreds to find how many cherries he has. Then, he counts in tens to add the watermelons.

What three numbers should he say after 310? • A320, 330, 340
• B400, 500, 600
• C310, 320, 330

He also bought some oranges. Count on to figure out how many pieces of fruit he has in total. Q4:

Which place value model shows 435?

• A • B • C • D Q5:

Count the marbles. Q6:

What number does the model show? Q7:

I used place value blocks to make a number. The number has hundred, tens, and ones.

• A100, 30, 6
• B10, 3, 6
• C1, 3, 5
• D1, 3, 6

The number is .

Q8:

What number has been made with place value blocks? Q9:

What number does the model show? Q10:

Which model shows 724?

• A • B Q11:

What is the value of the colored place value blocks? Q12:

What is the value of the colored place value block? Q13:

What is the value of the colored place value block? Q14:

What number is shown? Q15:

Select the base blocks that represent the number 543.

• A • B • C • D • E Q16:

Michael made a number with place value blocks. How many hundreds are in his number? Q17:

Write the number shown by the blocks. Q18:

Look at Hannah’s abacus, which number has she made? Q19:

How many marbles are there? Q20:

Count in 100s and 10s to write the missing numbers. • A400, 420, 421
• B400, 411, 412
• C400, 420, 430
• D400, 510, 610

Q21:

What number is represented by these place value blocks? 