Number Names
I’ll say a number word. You say the number:
“Forty-two"
42
I’ll give you two numbers. Tell me which one is greater:
“Ninety-five or one hundred five"
one hundred five
I have 4 rods and 2 units. What number do I have?”
42
“In the number 243, how many hundreds, tens, and ones are there?”
2 hundreds, 4 tens, 3 ones
“Say 324 in expanded form.”
300 + 20 + 4
Look at the number, say its name: "243"
two hundred forty-three
I’ll say two numbers: 53 and 35.
Which one is greater?
53
I have 3 flats, 1 unit, and 5 rods. What number is that?”
351
“In the number 352, what does the 5 stand for?”
50 or 5 tens
“I’ll say it in expanded form: 500 + 70 + 2.
What number is that?”
572
Say this number: Four hundred fourteen
414
Listen: 90 and 100.
Which number is less?
90
I’m thinking of a number with 5 hundreds, 0 tens, and 8 ones.
Say the number.”
508
“I have 4 hundreds, 3 tens, and 8 ones.
If I take one ten, what number will I have?”
428
“Say 406 in expanded form.”
400 + 0 + 6 (or 400 + 6)
Listen carefully. If I say “one hundred twenty-three,” what is ten more?
one hundred thirty-three
Listen carefully: 150 and 150.
Are they equal or not equal?
They are equal
You see 2 hundreds, 4 tens, and 6 ones.
If I add one more ten, what number will I have now?”
256
“I have 4 hundreds, 3 tens, and 8 ones.
If I add one more ten, what number will I have?”
448
The number is 620.
Is it A: 600 + 20 + 0
or B: 60 + 200 + 0?
A (600 + 20 + 0)
I’ll say a number word. You clap that many tens.
“Seventy.”
How many times did you clap?
7
How do you know 399 is greater than 390
“What digit helped you decide?”
Both have 3 hundreds and 9 tens, but 9 ones is more than 0 ones.”
You see 1 rod, 5 units, and 3 flats.
If I take away one ten, what number will I have?”
305
In the number 510, what does the 1 show
10
“Listen carefully: 200 + 90 + 9.
What number is that?”
299