Number Sense
How would you write 1,234,567 in words?
One million, two hundred thirty-four thousand, five hundred sixty-seven
Mr. Wo thinks:
2,175 = 2,715
Is he right or wrong?
He is wrong. 2,715 is greater than 2,175.
True or False:
100 is 10x greater than 10.
True.
Round 128,955 to the nearest thousand.
129,000.
What number am I?
329 ones.
329
1_6?
I would write a 0 because there are no tens, but I still need the place holder.
Mrs. Paymal thinks:
100,000 is the same as 1,000.
Is she right or wrong?
She is wrong. 100,000 is greater than 1,000.
True or False:
6,000 is greater than 60,000.
False.
Round 85,639 to the nearest ten.
85,640
Mrs. Paymal told Mrs. Lever that 941,329 is bigger than 941,328. Is Mrs. Paymal correct?
Yes, 941,329 is greater by 1 one.
How would you write 123,456,789 in words?
One hundred twenty-three million, four hundred fifty-six thousand, seven hundred eighty-nine.
Mrs. Pryor thinks:
98,001 is written in words like:
Ninety-eight thousand, zero hundreds zero tens one. Is she correct?
No, she is not correct. 98,001 is written like
Ninety-eight thousand, one.
True or False:
30,234 in expanded form is
30,000 + 200 + 30 + 4
True!
Round the equation to the nearest hundred, then add.
120 + 499 = ____
100 + 500 = 600
What number is this:
9 hundreds
2 tens.
8 thousands.
2 ten thousands.
9 ones.
28,929
What are the first seven place values from smallest to greatest?
Ones
Tens
Hundreds
Thousands
Ten Thousands
Hundred Thousands
Millions
Ms. Ryan thinks:
2,900 is greater than 290.
Is she right or wrong?
She is correct. 2,900 is greater than 290.
True or False:
Mr. Wo says that rounding 6,890 to the nearest thousand is 1,000.
False. The nearest thousand is 7,000.
Round 160,565 to the nearest hundred thousand.
200,000
What number am I?
600 thousands
5 ones.
600,005
What number is bigger? Explain how you know.
542,983 ___ 983,219
542,983 < 983,219
I know it is bigger because I started with the left place value and noticed a 5 and a 9. A 9 is greater than a 5.
Mrs. Lever says that five million only has two zeros. Is she correct?
No, five million does not have two zeros.
5,000,000
True or False:
166,742 rounded to the nearest thousand is 167,000.
Round to the nearest thousand, then add.
122,380 + 7,931 = _____
122,000 + 8,000 = 130,000.
What number am I?
40 thousands.
40 tens.
3 ones.
40,403