4.NS.1

DESIGNED TO GET YOUR STUDENTS ENGAGED FROM THE MINUTE THEY WALK INTO YOUR CLASS

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High-Yield Routines

Hand Signals

Number Lines

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What is a reasonable value for the point on this number line?

Number Lines

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What is a reasonable value for the point on the above number line?

Number Lines

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Number line #1

Number line #2

What are the likely values of points A, B, and C on both of the number lines? Explain how you know.

Would you rather

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Which One is Different and Why?

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Which One is Different and Why?

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Quick Images

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How Do You Know?

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How do you know that

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15,602 = 15 thousands, 60 tens, 2 ones?

Mystery Number

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• My number is a 5-digit number.
• All 5 digits are the same.
• My number is divisible by 3.
• If you add 2 to my number, the new number is divisible by 2.

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Mystery Number

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• I am a four-digit number.
• My ones digit is a four.
• My thousands digit is twice the value of my ones digit.
• My hundreds digit is one less than my thousands digit.
• The sum of my digits is 25.

Mystery Number

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• I am between 500,000 and 600,000.
• I have zero thousands.
• The largest even 1-digit number is in the hundreds place.
• My ones digit is half my hundreds digit.
• My tens digit is 2 more than my ones digit.
• Divide my tens digit by 3 to get my ten-thousands digit.

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Mystery Number

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• I am less than 1,000.
• I am divisible by 10.
• The sum of my digits is 18.

Mystery Number

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• I am a three-digits number.
• When rounded to the nearest hundred, I round to 200.
• The tens digit is double the digit in the ones place.
• Both the ones and tens digits are even.

Mystery Number

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• I am an odd number.
• I am greater than 500.
• The sum of my digits in less than 7.
• I am less than 1,000.

Mystery Number

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• I am a three-digit number.
• I have a 4 in my ones place.
• The digit in my tens place is a placeholder.
• My hundreds digit is one more than the digit in my ones place.

Mystery Number

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• I am a four-digit number.
• I have a 3 in my ones place.
• I have a 4 in my tens place.
• My hundreds digit is half the value of the digit in my tens place.
• My thousands digit is three times the value of the digit in my ones place.

Mystery Number

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• I have a 7 in my tens place.
• My ones place is four more than five.
• I have a 2 in my ten thousands place.
• My hundreds place is between 7 and 9.
• The number in the thousands place is 3 less than 10.

Mystery Number

• I have a 1 in my ten-thousands place.
• The number 3 is in my thousands place.
• You can find the smallest even digit in my ones place.
• My tens place is the product of 3 and 3.
• My hundreds place is twice as much as the digit in my thousands place.

Mystery Number

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• I am a three-digit number.
• I have a 7 in my ones place.
• My tens digit is one more than the digit in my ones place.
• My hundreds place is one less than the digit in my ones place.

Mystery Number

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• I have 13 hundreds.
• I have three times more ones than tens.

Mystery Number

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• I am < 1000.
• My hundreds digit is not 1.
• The sum of my digits is < 3.

Mystery Number

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• I am a 3-digit number.
• My tens digit is less than my ones digit.
• My ones digit is less than my hundreds digit.
• The sum of my digits is six.

Which One is Different and Why?

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How Do You Know?

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How do you know that

15,602 = 15 thousands, 60 tens, 2 ones?

Two Truths and a Lie

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• 10 tens equal one hundred.�
• 10 ten-thousands equal one million.�
• 10 hundreds equal one thousand.

Two Truths and a Lie

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• The number 1,234,347 has the digit 3 in the hundreds place.�
• The value of the 2 in 1,234,347 is 20,000.�
• The number 1,234,347 rounds to 1,230,000 when rounded to the nearest ten thousand.

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