greater than (>) – a symbol used to show numbers greater than another less than (
TRANSCRIPT
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Comparing and OrderingWhole Numbers
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Greater than (>) – a symbol used to show numbers greater than anotherLess than (<) – a symbol used to show numbers less than anotherEquals (=) a symbol used to show numbers having the same value
Vocabulary To Know
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• Compare• Order• Inequality• Equal (=)• Unequal () • Greater than (>)• Greater than or equal to ()• Less than (<)• Less than or equal to ()
Vocabulary To Know
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Examples: a). Compare 1123 and 1126 1123 < 1126 b). Compare 567 and 497 567 > 497 c). Compare 1 and 0.002 1 > 0.002 d). Compare 0.402 and 0.412, 0.402 < 0.412 e). Compare 120.65 and 34.999 120.65 > 34.999f). Compare 12.345 and 12.097. 12.345 > 12.09.
< (less than) > (greater than) = (equals)≤ (less than or equal to) ≥ (greater than or equal to)
Basic Steps• Compare the whole number parts first.• Start and move LEFT TO RIGHT • Compare the next most significant digit of each number in the same place.• If they are equal, move onto the next place to the right.
** Think of it as PAC –MAN, his mouth is ALWAYS open towards the LARGER number.
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Comparing Numbers - Numerals to 20
SymbolMeaning Example in
SymbolsExample in Words
> Greater thanMore thanBigger thanLarger than
7 > 4
7 is greater than 47 is more than 47 is bigger than 47 is larger than 4
Greater than or equal toMore than or equal toBigger than or equal toLarger than or equal to
A number > 4A number is greater than 4A number is more than 4A number is bigger than 4A number is larger than 4
< Less thanFewer thanSmaller than
4 < 7
4 is less than 74 has fewer than 74 is smaller than 7
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Comparing Numbers - Numerals to 20
SymbolMeaning Example in
SymbolsExample in Words
≤ Less than or equal toFewer than or equal toSmaller than or equal to
A number < 7A number is less than 7A number has fewer than 7A number is smaller than 7
=
Equal to Same as 7 = 7
7 is equal to 77 is the same as 7
UnequalNot equal to
7 67 is unequal to 67 is not equal to 67 and 6 are not equal
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Comparing Numbers• Line up the numbers vertically (up
and down) by the ones place (or the decimal, if there is one).
• Start at the left and compare the digits.
• Move towards the right until you find a difference.
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How to Compare Numbers1 2 3
Line up thenumbers (start at the ones place)
Compare athighest place value
If numbersare the samego to next digitto the right
12,391 8,971
13,762
12,391 8,97113,762
12,391 8,97113,762
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Example
45,312 45,321
45,312 45,321
1 is less than 2
<
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Example 2 – Put the numbers in order from least to greatest.
321; 345; 354; 29; 1,013; 312; 332
321345354
291013
312332
largest
smallest
29
1,013
312 321 332
345 354
< < <
< <
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Remember! The hungry alligator always eats the largest number.
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Write < > or =
53,931 54,931<
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Write < > or =
53,931 4,931>
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Write < > or =
183,359 94,931>
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Write < > or =
89,359 194,931<
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Write < > or =
1,077,000 107,900>
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Write < > or =
984,789 984,789=
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Write < > or =
112,349 112,449<
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Write < > or =
Five thousand 50,000<
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Write < > or =
3 hundreds 6 tens 306>
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Write < > or =
1,000+700+3 1,730<
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If you know how to compare numbers, you know how to put them in order
1,730 14 569 9,271
Put these numbers in order from greatest to least
12 34
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Put these numbers in order fromgreatest to least
35,872 36,872 569 912 3 4
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Put these numbers in order fromleast to greatest
145,872 6,872 569 91 1234
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Put these numbers in order fromleast to greatest
5,872 5,832 5,991 910 123 4