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- 321
- àï1.1ëIntroduction to Whole Numbers.
- äè Please graph each Whole Number on the number line.
- â
- êêïGraph the number "4" on the number line.
-
-
- #êêï──┼───┼───┼───┼───ù───┼───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- éS
-
-
- èThe Whole Numbers are the numbers, 0, 1, 2, 3, 4, ... ,
- where the three dots following the "4" indicate that this pattern
- continues indefinitely.ïTo graph the number "4" on the number line,
- you should just draw a heavy dot on the hash mark above the number,
- #4.êê──┼───┼───┼───┼───ù───┼───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- 1êGraph the number "2" on the number line.
- #êè A)è──┼───ù───┼───┼───┼───┼───┼───┼───┼───¥
-
- #êè B)è──┼───┼───ù───┼───┼───┼───┼───┼───┼───¥
-
- #êè C)è──┼───┼───┼───┼───ù───┼───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- ü
-
-
- #êêï──┼───┼───ù───┼───┼───┼───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- Ç B
- 2êGraph the number "5" on the number line.
- #êè A)è──┼───ù───┼───┼───┼───┼───┼───┼───┼───¥
-
- #êè B)è──┼───┼───ù───┼───┼───┼───┼───┼───┼───¥
-
- #êè C)è──┼───┼───┼───┼───┼───ù───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- ü
-
-
- #êêï──┼───┼───┼───┼───┼───ù───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- Ç C
- 3êGraph the number "0" on the number line.
- #êè A)è──ù───┼───┼───┼───┼───┼───┼───┼───┼───¥
-
- #êè B)è──┼───┼───ù───┼───┼───┼───┼───┼───┼───¥
-
- #êè C)è──┼───┼───┼───┼───ù───┼───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- ü
-
-
- #êêï──ù───┼───┼───┼───┼───┼───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- Ç A
- 4êGraph the number "3" on the number line.
- #êè A)è──┼───┼───┼───ù───┼───┼───┼───┼───┼───¥
-
- #êè B)è──┼───┼───ù───┼───┼───┼───┼───┼───┼───¥
-
- #êè C)è──┼───┼───┼───┼───┼───ù───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- ü
-
-
- #êêï──┼───┼───┼───ù───┼───┼───┼───┼───┼───¥
- êêè 0è1è2è3è4è5è6è7è8
- Ç A
- äïPlease identify the True sentence from the following
- êêstatements.
- â
- êêêïIdentify the True sentence
-
- ëA)ï2 < 1êïB)ï3 > 5êïC)ï4 < 8êïD)ïå
-
- êêïThe True sentence is, " 4 < 8 ".
- éS
-
- ëThe Whole Numbers are said to be an ordered set of numbers.
- That basically means that if you have two Whole Numbers such as "4"
- and "8",you can tell which one is the smaller of the two.ïTechnically
- you could say that the number that occurs further to the left on the
- number line is the smaller of the two.ïCompare the relative locations
- of "4" and "8" on the number line.
- #êêï──┼───┼───┼───┼───ù───┼───┼───┼───ù───¥
- êêè 0è1è2è3è4è5è6è7è8
-
- You can see that the "4" is further to the left on the number line.ïWe
- would say that 4 is less than 8.ïThe symbol that we use for "is less
- than" is, "<".èAt the same time, we could also say that
- 8 is greater than 4.ïSymbolically we could write this as " 8 > 4 ".
- 5
- êêê Identify the True sentence.
-
-
- ë A)ï3 < 5ê B)ï4 > 6ê C)ï5 < 3ê D)ïå
- ü
-
- ë Since "3" occurs to the left of "5" on the number line, 3 < 5.
- Ç A
- 6
- êêê Identify the True sentence.
-
-
- ë A)ï2 > 7ê B)ï12 < 9êC)ï8 > 6ê D)ïå
- ü
-
- ë Since "6" occurs to the left of "8" on the number line, 8 > 6.
- Ç C
- 7
- êêê Identify the True sentence.
-
-
- ë A)ï22 < 19ë B)ï102 > 57ëC)ï82 > 96ë D)ïå
- ü
-
- ïSince "57" occurs to the left of "102" on the number line, 102 > 57.
- Ç B
- 8
- êêê Identify the True sentence.
-
-
- ë A)ï233 > 456è B)ï785 < 952è C)ï827 < 542è D)ïå
- ü
-
- ë Since "785" occurs to the left of "952" on the number line,
- ë 785 < 952.
- Ç B
- äëPlease write the following numbers in words.
- â
- êêêëWrite 359 in words.
-
- êêêïThree hundred fifty-nine.
- éS
-
- èTo write the number, 359, in words, it is necessary to
- recognize that the "3" is in the hundreds place, the "5" is in the tens
- place, and the "9" is in the ones place.ïThe number "359" can then be
- written as "three hundred fifty-nine".ïLarger numbers could involve
- higher place values.ïThe first twelve place values are shown as
- follows: hundred billions, ten billions, billions, hundred millions,
- ten millions, millions, hundred thousands, ten thousands, thousands,
- hundreds, tens, and ones.ïThe number, "1,236,422", can be written in
- words as "one million two hundred thirty-six thousand four hundred
- twenty-two.
- 9êèWrite the number "735" in words.
-
- êê A)ïSeventy-three hundred and five.
- êê B)ïSeven thousand three hundred five.
- êê C)ïSeven hundred thirty-five.
- êê D)ïå
- ü
-
- êêê Seven hundred thirty-five.
- Ç C
- 10êïWrite the number "4,685" in words.
-
- êê A)ïFour thousand six hundred eighty-five.
- êê B)ïForty-six hundred eight hundred five.
- êê C)ïForty-six thousand eighty-five.
- êê D)ïå
- ü
-
- êêè Four thousand six hundred eighty-five.
- Ç A
- 11êïWrite the number "563,915" in words.
-
- ê A)ïFive million six hundred thirty-nine thousand fifteen.
- ê B)ïFive hundred sixty-three thousand nine hundred fifteen.
- ê C)ïFive sixty-three nine hundred fifteen.
- ê D)ïå
- ü
-
- êèFive hundred sixty-three thousand nine hundred fifteen.
- Ç B
- 12êïWrite the number "23,000,045" in words.
-
- êê A)ïTwo million three hundred forty-five.
- êê B)ïTwenty three million forty-five.
- êê C)ïTwo hundred thirty million forty-five.
- êê D)ïå
- ü
-
- êêëTwenty three million forty-five.
- Ç B
- 13
- êêïWrite "seventy-five" in numerical form.
-
-
- ë A)ï75êëB)ï705êè C)ï750êè D)ïå
- ü
-
-
- êêêè seventy-fiveè=è75
- Ç A
- 14
- êêWrite "two thousand three hundred twenty-three" in
- êênumerical form.
-
- ë A)ï23,230êèB)ï20,323ê C)ï2,323êïD)ïå
- ü
-
-
- êètwo thousand three hundred twenty-threeè=è2,323
- Ç C
- 15
- êêïWrite "four million six thousand five" in
- êêïnumerical form.
-
- ë A)ï4,065êè B)ï4,006,005ëC)ï4,000,065ëD)ïå
- ü
-
-
- êë four million six thousand fiveè=è4,006,005
- Ç B
- 16êëWrite 3,827 in expanded form.
-
- êêêïA)ï300 + 80 + 20 + 7
- êêêïB)ï3800 + 20 + 7
- êêêïC)ï3000 + 800 + 20 + 7
- êêêïD)ïå
- ü
-
- êêêë 3000 + 800 + 20 + 7
- Ç C
- 17êëWrite 318,256 in expanded form.
-
- êêêïA)ï318,000 + 200 + 50 + 6
- êêêïB)ï300,000 + 10,000 + 8,000 + 200 + 50 + 6
- êêêïC)ï31,000 + 8,000 + 200 + 50 + 6
- êêêïD)ïå
- ü
-
- êêè300,000 + 10,000 + 8,000 + 200 + 50 + 6
- Ç B
- 18êëWrite 40,763 in expanded form.
-
- êêêïA)ï40,000 + 700 + 60 + 3
- êêêïB)ï40 + 700 + 60 + 3
- êêêïC)ï4,000 + 700 + 60 + 3
- êêêïD)ïå
- ü
-
- êêêè 40,000 + 700 + 60 + 3
- Ç A
- 19êëWrite 3,000,422 in expanded form.
-
- êêêïA)ï3,000 + 400 + 20 + 2
- êêêïB)ï3,000,000 + 400 + 20 + 2
- êêêïC)ï3,000 + 400 + 22
- êêêïD)ïå
- ü
-
- êêêè3,000,000 + 400 + 20 + 2
- Ç B
- äè Please round off the following numbers at the given
- êêïplace value.
- â
- êêè Round off "486" to the nearest tens.
-
-
- è The Whole Number "486" rounded to the nearest tens place is "490".
- éS
- ëTo round the number "486" to the nearest tens place, it is
- necessary to look at the number one place to the right of the "8".
- Since this number, 6, is greater than or equal to five, the eight is
- rounded up to a nine.ïTherefore, 486 rounded to the nearest tens place
- is 490.
-
- ëTo round the number "1,842" to the nearest hundreds place, it is
- necessary to look one place to the right of the "8".ïSince this
- number, 4, is less than five, the eight is not rounded up.ïTherefore,
- 1,842 rounded to the nearest hundreds place is 1800.
- 20
- êêëRound 756 to the nearest tens place.
-
-
- ëA)ï700êè B)ï760êè C)ï750êè D)ïå
- ü
- ê To round "756" to the nearest tens place, it is necessary to look
- at the number one place to the right of the "5".ïSince this number, 6,
- is greater than or equal to five, the "5" is rounded up to 6.
- Therefore, 756 rounded to the nearest tens place is 760.
- Ç B
- 21
- êê Round 1,685 to the nearest hundreds place.
-
-
- ëA)ï1,680êïB)ï2,000êïC)ï1,700êïD)ïå
- ü
- To round "1,685" to the nearest hundreds place, it is necessary to look
- at the number one place to the right of the "6".ïSince this number, 8,
- is greater than or equal to five, the "6" is rounded up to 7.
- Therefore, 1,685 rounded to the nearest hundreds place is 1,700.
- Ç C
- 22
- êê Round 23,456 to the nearest thousands place.
-
-
- ëA)ï23,000ê B)ï23,500ê C)ï24,000ê D)ïå
- ü
- ïTo round "23,456" to the nearest thousands place, it is necessary to
- look at the number one place to the right of the "3".ïSince this number,
- 4, is not greater than or equal to five, the "3" is not rounded up.
- Therefore, 23,456 rounded to the nearest thousands place is 23,000.
- Ç A
- 23
- êëRound 843,621 to the nearest ten-thousands place.
-
-
- ëA)ï850,000êB)ï544,000êC)ï840,000êD)ïå
- ü
- ïTo round "843,621" to the nearest ten-thousands place, it is necessary
- to look at the number one place to the right of the "4".ïSince this
- number, 3, is not greater than or equal to five, the "4" is not rounded
- up. Therefore, 843,621 rounded to the nearest ten-thousands place is
- 840,000.
- Ç C
-
-
-