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Week 05 · Count to 1000

Wednesday

Number names and expanded form
// Skip count and name big numbers
⏱ about 15 min

Wednesday: Number names and expanded form

Bennie writes a big number on a leaf: 347.

"How do we say it?" asks Bruce.

"Three hundred forty-seven," says Bennie.

Bruce tilts his head. "Can you show what each digit means?"

Bennie sorts his blocks into hundreds, tens and ones.

"Watch this," he says.

Learn it: three ways to show a number

Digits: 347.

Number name: three hundred forty-seven.

Expanded form: 300 + 40 + 7.

Base-ten blocks: 3 hundreds, 4 tens and 7 ones

The 3 means 3 hundreds, or 300.

The 4 means 4 tens, or 40.

The 7 means 7 ones.

EXPANDED FORM
  • Read the question.
  • Tap your answer.
300 + 40 + 7 = ?
500 + 20 + 9 = ?
600 + 8 = ?
415 = 400 + ? + 5
NUMBER NAMES
  • Read the question.
  • Tap your answer.
Which is two hundred sixty-five?
Which is nine hundred eight?
Which name is 430?
Which name is 715?
SHOW IT WITH BLOCKS
  • Read the question.
  • Tap your answer.
Base-ten blocks: 4 hundreds, 5 tens and 2 onesWhat number do the blocks show?
Base-ten blocks: 6 hundreds, 0 tens and 3 onesWhat number do the blocks show?
Base-ten blocks: 1 hundreds, 7 tens and 0 onesWhat number do the blocks show?
SentenceTrue or false?
500 + 60 + 2 is 562.?
In 284, the 8 means 8 tens.?
In 931, the 9 means 9 ones.?
three hundred six is 306.?
WHY THIS EXERCISEIn 931, the 9 means 9 hundreds.
Try it
Ask a grown-up to say a number up to 999.
Write it with digits on paper.
Then write it in expanded form.
Draw blocks for 263. Then write it in expanded form.

Word Spot: might, close

Here are new sight words.

Look at each word. Say it. Spell it.

Might: M-I-G-H-T.

Close: C-L-O-S-E.

FIND THE WORD
  • Listen to the word.
  • Tap it.
Find the word you hear.
Find the word you hear.
Find the word you hear.
Find the word you hear.
FILL THE GAP
  • Listen to the sentence.
  • Tap the missing word.
The seed ___ sprout this week.
Please ___ the door.

Wonderful work! Tomorrow Chris tells a story with big numbers.

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