Understand Three-Digit Numbers

How many ones does 100 have?

• 100 ones

• 10 tens

• 100 hundreds

Tags

CCSS.2.NBT.A.1

CCSS.2.NBT.B.7

A sticker book has 100 stickers. A sticker paper has 10 stickers. Lillian and Josue have 5 sticker books and 4 sticker papers. Lillian says they have 450 stickers. Josue says they have 504 stickers. Who is right and why?

• Lillian is right. When you count by 100 four times and then count by 10 five times, you get 450 stickers.

• Josue is right. When you count by 100 five times and then add, 4 you get 504 stickers.

• Neither is right. When you count by 100 five times and then add 4, you get 54 stickers.

• Neither is right. When you count by 100 five times and then count by 10 four times, you get 540 stickers.

What value does the model show.

• 13 ones

• 130

• 256

• 2 hundred twenty-four

How many way can you write 345

• 3 Hundred 4 tens and 5 ones

• 345 ones

• 2 hundreds 14 tens and 5 ones

• 300+40+5

Tags

CCSS.2.NBT.A.1

CCSS.2.NBT.A.3

This model shows how many hundreds?

• 500

• 5

• 50 tens

What is the value of this model in tens?

• 500

• 5

• 50 tens

What is the value of this model in ones?

• 500

• 5

• 50 tens