Unit Form
Story Problems
Drawing Place Value Disks
Expanded Form
Place Value Mat: Hundreds, Tens, and Ones
100
What is the unit form for 27?

2 tens and 7 ones

100

Trevor's mom gave him 6 stickers to start his collection. He received 25 more for his birthday. How many stickers does he have now?

6+25=31

100
Draw Place Value Disks to show the number:


12

One 10 and two 1s
100

Write the number 25 in expanded form.

20 + 5 = 25

100
Using Base Ten Blocks, show 55.

5 ten sticks and 5 ones cubes

200

What is the unit form for 91?

9 tens and 1 one

200

Bill has 8 Pokemon cards. Bob gives him some more Pokemon cards. Bill now has 15 Pokemon cards. How many Pokemon cards did Bob gives him?

15 - 8 = 7 Pokemon cards

200

Draw Place Value Disks to show the number:

83

Eight 10s and three 1s

200

Write the number 97 in expanded form.

90 + 7 = 97

200

Using Base Ten Blocks, show 276.

2 hundreds squares, 7 ten sticks, and 6 ones cubes.

300

What is the unit form for 321?

3 Hundreds, 2 Tens, and 1 one

300

A teacher has 59 pencils. They give some away to the class. They now only have 22 pencils left. How many pencils did they give away?

59 - 22 = 37 pencils

300

Draw Place Value Disks to show the number:

291

Two 100s, Nine 10s, and one 1s

300

Write the number 313 in expanded form.

300 + 10 + 3 = 313

300

Using Base Ten Blocks, show 305.

3 hundred squares and 5 ones cubes
400

What is the unit form for 505?

5 hundreds and 5 ones

400
A 2nd grade class has 21 students in it. How many fingers are there in all?

210 fingers.

400

Draw Place Value Disks to show the number:

306

Three 100s and six 1s

400

Write the number 507 in expanded form.

500 + 7 = 507

400

Using Base Ten Blocks, show 415 using ONLY hundred squares and ones cubes.

4 hundred squares and 15 ones cubes

500

What is the unit form of 780?

7 Hundreds and 8 Tens

500

Jack is collecting marbles. He has 93 marbles. Every day he collects 10 more marbles. How many more marbles will he have after 3 days?

123 marbles

500

Draw Place Value Disks to show the number 117, using ONLY 100s and 1s.

One 100 and seventeen 1s

500

Write the number 390 in expanded form.

300 + 90 = 390

500

Using Base Ten Blocks, show 235 using ONLY ten sticks and ones cubes.

23 ten sticks and 5 one cubes

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